Which of the following best describes a compound?

Which of the following best describes a compound?

a material that is made up of a combination of atoms bonded together best describes a compound.

Does this model represent a compound?

Compounds are represented by chemical formulas. Does this model represent a compound? The model does not represent a compound because it shows two atoms of the same element combined. To be a compound, the model would need to contain atoms of different elements, represented by different-colored balls.

Which statement best describes the difference between a mixture and a compound?

What is the difference between a compound and a mixture? A mixture can be physically separated into its components; a compound cannot be physically separated into its components.

Which of the following describes a compound?

A compound has a definite composition . So here Carbon reacts with Oxygen to form Carbon dioxide which is a compound. For a carbon dioxide bonding 2 atoms of oxygen combines with one atom of carbon.

What statement is true for both elements and compounds?

Things That Elements and Compounds Have in Common Elements and compounds are purely homogeneous substances and they have a constant composition throughout. They are all pure substances.

Which is an example of a compound quizlet?

For example: Water is a compound because it is made of two elements: Hydrogen and Oxygen.

Why do we breathe O2 and not o?

Oxygen exists in nature primarily as the molecule O2. An oxygen atom by itself is called a free radical. If the temperature is high enough in an atmosphere of pure oxygen the O2 molecules will break apart to form free radical O gas. There is not any elements that oxygen will not react with.

Do humans breathe O2 or O?

We breathe in oxygen and some of this carbon dioxide. When we exhale, we breathe out less oxygen but more carbon dioxide than we inhale. The carbon we breathe out as carbon dioxide comes from the carbon in the food we eat.

Can you have too much oxygen in your blood?

Normal levels of arterial blood oxygen are between 75 and 100 mmHg (millimeters of mercury). An oxygen level of 60 mmHg or lower indicates the need for supplemental oxygen. Too much oxygen can be dangerous as well, and can damage the cells in your lungs. Your oxygen level should not go above 110 mmHg.