When two or more substances are combined so each substance can be separated by physical means, the result is a(n)____.

____ is another name for a homogeneous mixture.

Atoms can have different numbers of which of the following?

In an atom, the electrons ____.

Which particle or particles make up the nucleus?

The number of protons in the nucleus of an atom is which of the following?

Which diagram shows individual atoms?

Which diagram shows a compound?

Which diagram shows a mixture?

The following are examples of physical properties EXCEPT ____.

A characteristic of matter that allows it to change to something new is a ____.

All of the following are examples of physical changes EXCEPT ____.

Mass is a(n) ____ property.

Which of the following is an example of a chemical reaction?

The rusting of iron is not a physical property because _____.

When a peeled banana turns black, it is a ____.

Which of the following is a physical property?

____ is NOT a homogeneous mixture.

A positively charged center of an atom is known as a(n)_____.