If an oxygen atom has 8 protons and 8 neutrons in the nucleus, what is the mass number ofoxygen?

Answers

Answer 1

Answer: If you look at a periodic table, it gives you the mass number of oxygen.
It’s 15.999

Answer 2

Answer:

Final answer:

The mass number of an oxygen atom with 8 protons and 8 neutrons is 16. The mass number of an atom is the total number of protons and neutrons in the nucleus. This atom is an isotope of oxygen, called oxygen-16.

Explanation:

The mass number of an oxygen atom that has 8 protons and 8 neutrons in the nucleus is 16.

The mass number of an atom is the total number of protons and neutrons in its nucleus. The number of protons in an atom is also the atomic number, which identifies the element. In the case of oxygen, the atomic number is 8, because there are 8 protons in the nucleus.

Neutrons are subatomic particles that, together with protons, make up the majority of an atom's mass. Neutrons and protons have approximately the same mass, while electrons are much lighter. Therefore, the mass number, which represents the sum of the number of protons and neutrons, provides a good estimate of the mass of an atom.

In this case, the atom is an isotope of oxygen, known as oxygen-16, because it has 8 protons and 8 neutrons. Isotopes are atoms of the same element that have different numbers of neutrons and therefore different mass numbers. Oxygen-16 is the most abundant isotope of oxygen, making up about 99.76% of all oxygen atoms.

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Humans affect the carbon cycle in many ways through the use of fossil fuels, clear cutting of forests, and controlled burns. Which of the following processes can help counteract these human interactions? A.photosynthesis

B.respiration

C.decomposition

D.building proteins

Answers

The correct answer is A.photosynthesis

In the process of photosynthesis plants use the energy of the sunlight and absorbed CO2 from the atmosphere to create simple sugars. In this process, plants also create oxygen molecules that are released to the athmosphere.

Human activities that involve burning fossil fuels cause a release of a huge amount of CO2 to the atmosphere. Photosynthesis in plants can reverse the effects of this, but only to a certain extent. This is, but all means, not enough to stop the global warning effect that the CO2 build-up in the atmosphere is causing.

Answer:The correct answer is -

A.photosynthesis.

Explanation:

Human activities such as burning of fossil fuels (like coal and oil) , clearing of forests can lead to the accumulation of CO2 (carbon dioxide) in the atmosphere, which affects the carbon cycle.

This can lead to many harmful effects like global warming (overall rise in the earth temperature).

These human interactions can be counteracted through photosynthesis.

Photosynthesis is a process of formation of food (glucose) in green plants and algae using CO2 and water in the presence of sunlight.

It releases oxygen in the atmosphere as a byproduct of this process.

The atmospheric CO2 can be reduced through photosynthesis and therefore, it can help counteract the given human activities.

Thus, option A) is the right answer.

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Answers

Decomposers, as the name suggests, decompose dead plants or animals into simple compounds. They feed on dead producers from the first levels or consumers from other three levels. Breaking them down, decomposers release nutrients that producers can use.
In an ecosystem with four levels, the first level are producers, such as plants and algae. On the second trophic level, there are primary consumers, herbivores that eat plants, for example, a deer, a rabbit, a grasshopper. The next trophic level belongs to secondary consumers that eat herbivores, for example, a wolf, a fox. The highest level is tertiary consumers that eat carnivores, for example, a bear, an eagle.

Minerals _____.-contain plant material
-can be solids, liquids, or gases
-have a uniform structure or composition
-are made from the remains of plants and animals

Answers

have a uniform structure or composition, i think maybe

Answer:

have a uniform structure or composition

Explanation:

took the quiz

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Answers

Synaptic cleft
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Complete this statement. A person with Rh+ blood may receive blood that is __ or __, while a person with Rh- blood can only receive __ blood.

Answers

A person with Rh+ blood may receive blood that is Rh+ or Rh- , while a person with Rh- blood can only receive Rh- blood.

Complete this statement. A person with Rh+ blood may receive blood that is RH or HR while a person with Rh- blood can only receive RH blood.

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Answers

The core would be the pit, or seed of the plumb because it is at the very center.

The seed because they are both circulary shaped

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