Which of the following elements is a transition metal?
calcium
magnesium
nickel
antimony
Nickel, Ni, atomic number 28
:Nickel, Ni, atomic number 28 Is a transition metal. It falls in the "d" region. 4 of Period, group 10.
Calcium and magnesium are alkaline earth metals, and antimony is a metal in the nitrogen group.
Nickel is classified as a transition metal. Therefore, option (C) is correct.
Transition metals have partially filled electron d-orbitals. These elements are in groups 3–12. Nickel's atomic number is 28 and it's in the periodic table's d-block. Transition metal qualities come from its partially filled 3d orbital. Nickel has many oxidation states and forms colourful compounds.
Nickel is shiny and corrosion-resistant. Electroplating, batteries, catalysis, and alloys like stainless steel employ it. Transition metals are catalysts and undergo redox reactions. Nickel has the electron configuration, periodic table position, and chemical behaviour of a transition metal. Therefore, option (C) is correct.
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Many biotic factors affect individuals in a population. An example of an organism being directly affected by a biotic factor is
a squirrel cannot find a mate
a flood washes away a maple tree
a plant is in a dark room
a chipmunk finds a rock pile to use for a home
Answer:1 squirrel can’t find a mate
Explanation:
not being able to find a mate is a biotic factor
The client receives methotrexate (rheumatrex). the nurse assesses for side effects of this drug. which side effects are a primary concern for the nurse?
How does physician assisted suicide affect the family?
It effects true family because self harm stays in your heart and the physician is suppose to fix the family.
what are the major duties of a physician ?The major duties of a physician to Order tests and analyze their results, Refer patients to specialists.
They involve in Creation of treatment plans and Explain side effects of medications and treatment options.
They Perform basic medical procedures, Record medical history and Identify symptoms and diagnose patients, Provide advice for improving patient health.
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Which term describes the excessive thirst that is symptomatic of diabetes insipidus?
How can prokaryotic cells be smaller than eukaryotic cells and still carry on all the functions of life?
Discuss how temperature and amount of precipitation can affect the type of plants and animals found in the deciduous biome. guys plzzzzz make it like a paragraph long!!!! its science!
Which part of the crossbow holds the arrow in the track until the trigger is squeezed?
The lock of a crossbow holds the arrow in place until the trigger is released. This mechanism is essential in the functionality of the crossbow and affects the accuracy and power of the shot.
Explanation:The part of the crossbow that holds the arrow in place until the trigger is squeezed is called the lock. The lock mechanism consists of a lever or latch that keeps the string in place when the crossbow is drawn. Once the trigger is squeezed, the lock releases the string, which propels the arrow down the track and towards its target. It is an essential, non-negotiable element of any crossbow design and its effective functioning determines the accuracy and power of the shot. Like many engineered pieces of equipment, understanding how each part works can help in efficiently operating the tool, in this case accurately shooting the crossbow.
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_____ is associated with the fearless-peer experiment. the experiment demonstrates _____.
Bandura
Observational learning
Observational learning is the sort of learning which occurs when a person examines the behavior of others. It is a kind of social learning which takes several forms, based on different methods. Bandura also came up with specific factors that are more possible to raise the possibilities of performance being repeated. They are: Behaviors perceived by people who are passionate and nourishing towards the observer.
A normal fertilized egg, or zygote, contains _____ pairs of chromosomes. 23 21 2 46
The muscle tissue in the wall of the alimentary canal is primarily smooth muscle. however, in at least one location it contains skeletal muscle. where is skeletal muscle located and what is its function?
A nurse is caring for a client who has peptic ulcer disease and reports a headache
The nurse need to keep a check on sign and symptoms of infection( fever, tachypnea, tachycardia) sign and symptoms of hypovolemia (hypotension, tachycardia). Also keep a greater check on heart burning during the meal as it is one of the main causes of peptic ulcer during a meal or during the night time. In addition to this she need to perform the lab test needed that is H.pylori (most important) others include CBC, aPTT, INR.
Medication should be on time. The nurse also need to refer endoscopy if needed. Along with this inform the patient about nutritional changes needed and motivate to change lifestyle if the patient has an unhealthy routine.
A disaccharide is formed when two monosaccharides are joined together by
Monosaccharides and disaccharides are the monomeric units of carbohydrates. The two units of monomers are joined by a glycosidic bond.
Carbohydrates are biomolecules, which are made up of monomeric units, known as monosaccharides. These monomeric units like glucose join together to form maltose.
The bond between the monosaccharides is glycosidic. It is formed by the dehydration synthesis reaction, in which one monosaccharide (glucose) will lose H-atom, and the other (glucose) will lose an OH-group. Thus, it leads to the elimination of water molecules, and new covalent bonds are formed.
Therefore, monosaccharides are joined by glycosidic bonds.
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An impulse that travels inward from a sensory receptor to the spinal cord, then outward to a muscle is called a(n) _____.
A woman comes to the office of her healthcare provider reporting shortness of breath and epigastric distress that is not relieved by antacids. to which question would a woman experiencing a myocardial infarction respond differently than a man? "do you have chest pain?" "are you feeling anxious?" "do you have any palpitations?" "are you feeling short of breath?"
What was found by astronomers who noticed a strange pattern in the orbit of uranus?
Final answer:
Astronomers noticed a strange pattern in Uranus' orbit, leading to the discovery of Neptune and the confirmation of Newton's laws of motion.
Explanation:
The astronomers who noticed a strange pattern in the orbit of Uranus found that Uranus did not follow the predicted orbit based on Newton's laws of motion. This discrepancy led to the prediction and discovery of the planet Neptune in 1846, which confirmed the validity of Newton's theory.
Uranus' orbital anomalies were explained by the gravitational effects of an unseen planet, Neptune, serving as an example of how scientific theories are confirmed through observational evidence.
The discovery of Neptune based on the irregularities in Uranus' orbit highlighted the importance of precise mathematical calculations and observational data in the field of astronomy.
The density of mercury is 13.54 g/cm3. Suppose you need 40 gm of mercury for an experiment. What volume of mercury do you need?
A. 2.95 cm3
B. 541.60 cm3
C. 26.46 cm3
Which of the following correctly explains how a mutation can result in life-threatening cancer?
a. Cancer cells grow and destroy the blood supply to the area of the initial exposure.
b. Cancer cells cause an autoimmune response which results in a build-up of cell matter.
c. Cancer cells invade and destroy healthy cells, disrupting their normal functions.
d. Cancer cells take over the function of healthy cells, avoiding detection by the immune system.
Body cell mutations cannot be passed on to offspring. This is because body cells do not contribute genetic material to A. daughter cells. B. non-mutant cells. C. sex cells. D. each other.
The right answer is C. sex cells.
Like all cells, a somatic cell can mutate.
* A somatic mutation, if it is "viable" (if it does not kill the cell, organ or organism that carries it), and if it is not controlled by the body (apoptosis, confinement of the mutated cell) can give rise to new identical cell lines, thus carrying the same mutation.
* In so-called evolved animals (which can not clone naturally), this mutation affects only the organ or the organism concerned, but will not be transmitted to the offspring of the individual.
The theory of a vitalism has been rejected by present-day scientist. Describe vitalism. Describe what scientists now think about the basis of life and why they rejected the theory of vitalism.
Answer:
On the basis of the theory of vitalism, all the living things are specific and are distinct from the non-living components as they comprise a unique entity within themselves. This soul or entity distinguishes them from the non-living counterparts. Both of them are monitored by a distinct set of principles.
However, the theory got rejected when Wohler became successful in obtaining urea from the non-living substance, thus, suggesting the point that the biological constituents can also be obtained from the non-living counterparts. The present scientists now consider that the living components are just more composite in comparison to the non-living constituents.
Which of the following is not a product of cellular respiration?
a.
CO2
b.
Energy
c.
C6H12O6
d.
H2O
Please select the best answer from the choices provided
A
B
C
D
The answer is [tex]C_{6}H_{12}O_6[/tex] (glucose).
Glucose is a type of sugar, which plants contain and produce, though not through cellular respiration. Glucose is produced through photosyntehsis instead.
Hope it helped,
BioTeacher101
How does the epidural space surrounding the spinal cord differ from that surrounding the brain?
The epidural space surrounding the spinal cord differs from the surrounding of the brain is because the epidural space is set to be a separation of the dura mater that surrounds the spinal cord and the spinal dura, in which, allows separation because of its component of having fat and blood vessels.
Influenza is a bacterial infection spread by the coughing of respiratory secretions.
a. True
b. False
During diffusion, molecules move
A) in no predictable pattern.
B) to points equidistant from the point of origin.
C) from lower concentration to higher concentration.
D) from higher concentration to lower concentration.
Asexual reproduction in the parent cell will result in offspring with
A) similar genetic information.
B) half the genetic information.
C) double the genetic information.
D) four times the genetic information.
Answer:
The answers of first question is-D) from higher concentration to lower concentration.
The answer is second question is- A) similar genetic information.
Explanation:
Diffusion is the process in which particles move from that region where their concentration is more to a region where the concentration of these particles is less. Diffusion is a passive process which means it does not require any king of energy to transport the particles because it occurs along the concentration gradient.
During asexual reproduction, parent makes identical copies of itself. As in asexual reproduction, no combination of gamete takes place from outside and the daughter cells have the same copy of DNA as of the parent cell therefore asexual reproduction in parent cell results in offspring with similar genetic information.
Which diagram correctly describes the changes that occur as a small piece of rock falls from space and hits the Earth?
Answer:
Meteoroid, meteor, meteorite
Explanation:
Meteorites, such as a piece of rock from asteroid Vesta, experience changes when falling through Earth's atmosphere due to friction, resulting in heating and sometimes glowing, known as a shooting star or meteor. They can originate from locations within the solar system, like Mars or the Moon, and may land on Earth's surface after traveling through space.
Explanation:The question pertains to the changes that occur as a small piece of rock falls from space and hits the Earth. When a meteorite, which is a rock that fell from space like the volcanic fragment from the crust of asteroid Vesta, enters Earth's atmosphere, it experiences significant changes. Initially, the meteorite travels through space with a high velocity. Upon entering Earth's atmosphere, it faces atmospheric friction that heats it up, which may cause it to glow brightly, a phenomenon often referred to as a shooting star or meteor. Some meteorites survive this intense heating and land on Earth's surface. These rocks may originate from various locations in the solar system, including Mars and the Moon, as described by the process of impactful ejections due to collisions.
In addition, this process can be connected to various physics concepts such as gravitational acceleration and the transformation of potential energy into kinetic and thermal energy, as well as materials science as they discuss the composition and origin of the meteorites. An example to illustrate physics in action is the parabola-shaped lava flow that highlights Galileo's law of falling bodies.
If the biosphere is to function properly, its components must be ________.
The nurse is preparing to administer granulocytes to a client admitted with a severe infection. which teaching by the nurse is most appropriate?
1.During diffusion, molecules move
A) in no predictable pattern.
B) to points equidistant from the point of origin.
C) from lower concentration to higher concentration.
D) from higher concentration to lower concentration.
2.Asexual reproduction in the parent cell will result in offspring with
A) similar genetic information.
B) half the genetic information.
C) double the genetic information.
D) four times the genetic information.
Two nuclei now form, followed by cytokinesis. how many chromosomes are in each nucleus
It depends upon what type of cell which underwent the division. If it is a somatic cell and it underwent mitosis, the number of chromosomes remains unchanged at 46 in each cell. On the other hand, if it is a sex cell, the number of chromosomes is halved (23) after meiosis. By the way, mitosis is the term for cell division among somatic cells and meiosis is for the sex cells.
How does thermal energy affect particle movement?