Which of the atomic models represents the most reactive element?

A. Argon, because it has three energy levels with eight electrons in the third level.

B. Lithium, because it has two energy levels with one electron in the second level.

C. Aluminum, because it has five energy levels with two electrons in the third level.

D. Carbon, because it has two energy levels with four electrons in the second level.

The most reactive element is represented by the atomic model for lithium, which consists of two energy levels with an electron in the second level. So, the correct option is B.

A reactive element is one that forms chemical bonds with other elements to obtain a stable electron configuration. Reactive elements are chemically unstable. The amount of valence electrons in an element's highest energy level determines how reactive it is.

The element with the fewest number of energy levels and most reactive valence electrons in the above example is lithium, which has only two energy levels and one electron in the second level. Lithium in this state has one valence electron, which makes it very reactive and predisposed to form bonds with other elements filling its outermost shell.

Therefore, the correct option is B.

Learn more about Reactive elements here:

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What is an example of a relationship between organisms in which an organism produces energy that is used by another organism to The detriment of the original organism

Which species has the MOST RECENT common ancestor with the ROBIN?
Hagfish
(outgroup)
Salmon
Jaws
Frog
Keratinous
scales
Lizard
Lungs:
Four limbs
Alligator
D
Gizzard
Feathers
Claws
Robin
or nails
G
Rat
Fur;
Mammary
Glands
Gorilla
Time
O Lizard
O Salmon
O Gorilla

guys what fruit hasa lot of it with a stem? WILL GIVE BRAINLIEST

Question 8 (1 point)
Crabs, lobsters, and crayfish have a suit of armor that protects their soft bodies
called an
abdomen
thorax
exoskeleton
calcium

Which type of evidence for evolution is most accurate in determining evolutionary relationships- morphology or biochemical/ molecular evidence? Why?

Which is not part of the function of the normal cell cycle? (A) cell growth (B) DNA replication (C) cell division (D) cell death​

Define metamorphosis​

Please answer ASAP the right answer only no random ones thank you

Populations of two species of grasshoppers are introduced to a meadow ecosystem. Each species is
adapted to eat grass and similar plants of the meadow, and they fill the same niche. According to
Darwin's ideas about competition, which of the following changes is MOST likely to occur?
a. Only one population will thrive in the meadow; the other population will decrease to
zero .
b. Either both populations will thrive in the meadow, or neither population will thrive.
c. Both populations will eventually remain constant at the same non-zero number
d. Both populations will eventually remain constant, but at different non-zero numbers.
e. Both populations will increase and decrease in a cycle

Which statement describes a difference between predators and prey? Choose the correct answer. A Prey are types of plants, whereas predators are types of animals. B Prey remain in one place, but predators move around within the ecosystem. C Prey get energy only from plant materials, and predators eat only animals. D Prey are hunted for food, and predators capture and eat other animals to get energy.

PLEASE EXPLAIN IT'S FOR A QUIZ TOMORROW!!!!!!!!!!!
Two test tubes were filled with a solution of bromthymol blue. A student exhaled through a straw into each tube, and the bromthymol blue turned yellow. An aquatic green plant was placed into each tube, and the tubes were corked. One tube was placed in the dark, and one was placed in direct sunlight. The yellow solution in the tube in sunlight turned blue, while the one in the dark remained yellow. Which statement best explains why the solution in the tube placed in sunlight returned to a blue color?A. Oxygen was produced by photosynthesis.

B. Carbon dioxide was removed by photosynthesis.

C. Carbon dioxide was produced by respiration.

D. Oxygen was removed by respiration.

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1
Select the correct answer.
The
is the underlying message or idea in a literary work.
A.
summary
B.
lesson
Oc.
theme
OD.
subject

Is the Therapy scenarios "paraphrasing" or "reflection"?

client: I didn't know what to do, I was so confused and angry
therapist: So you are feeling confused and angry

A. Paraphrasing

B. Reflection

Into which chamber of the heart does oxygenated blood enter?

What is the sediment deposited by surface water?

How many different amino acids can be used in the construction of a protein

WILL GIVE BRAINLIEST!!!

The spongy layer____


A.) can't do photosynthesis

B.) is the outermost layer

C.) has no chloroplasts

D.) contains stomata

Helpppppppppppppppppp! Meeeeeeeeeeeeeeeeeeeeee!
Many scientists believe that stem cell research will one day lead to new treatments for diseases, but some people have ethical concerns about this research.

Which of the following characteristics of stem cell research is the most likely source of ethical controversy?

A. Stem cells naturally produce many different cell types.
B. Stem cell research requires specialized equipment.
C. Stem cells can replace damaged cells with healthy cells.
D. Stem cells are often extracted from human embryos.

I was disappointed in the answers of my last question. Here's another, What are the very short-legged cat breed called. The winner will get 5 stars and a thanks.

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Offset and Cardi B's baby, Kulture, is blood type B. Is this their child?
o Yes, because they can only have blood type B babies.
o No, because they can only have blood type O babies.
o Yes, because they can have blood type AB and B babies.
o No, because they can have blood type A and AB babies.

Calculate the ratio of the size of the bacterial cell to the size of the mesophyll cell
bacterial cell is 1 micrometer
mesophyll cell is 0.05mm​

What are bio-fuels considered carbon neutral?

Opsins are proteins that are found in the light-sensing cells in the human eye. Different opsin proteins are sensitive to different colors of light. The instructions for creating the type of opsin sensitive to red light are found on a gene known as OPN1LW, which is on the X chromosome. A genetic mutation in the OPN1LW gene can lead to a form of color blindness that affects a person's ability to detect red light. However, women have two copies of the X chromosome, and they have normal color vision if only one copy contains the mutation. Why do women who carry one copy of the mutated gene still have normal color vision?

Data

Record the glucose meter reading in the table below for each of the trials.

Please note that blood glucose levels will vary from person to person, and the levels given here are examples only. The levels given for the person with type 1 diabetes are assuming that no extra insulin was injected to account for the carbohydrate intake.




Subject A (without diabetes)

Food type

Starting blood glucose level (mg/dL)

Blood glucose level after 1 hour (mg/dL)

Blood glucose level after 2 hours (mg/dL)

Blood glucose level after 3 hours (mg/dL)



100









100









100









100










Subject B (with type 1 diabetes)

Food type

Starting blood glucose level (mg/dL)

Blood glucose level after 1 hour (mg/dL)

Blood glucose level after 2 hours (mg/dL)

Blood glucose level after 3 hours (mg/dL)



100









100









100









100

DESCRIBA EL CLIMA DESÉRTICO

The amount of substance given one time

¿Que aparato interviene en la digestion?

Energy + 6 CO2
6 H20 → CH2206
602
Photosynthesis
O Cellular Respiration
help ‼️

How is your body temperature held constant despite different weather temperatures
outside?​