Matter Multiple Choice Test

Which of these is NOT an example of matter?

The number of protons in the nucleus of an atom is also called the

The sum of the protons and neutrons in the nucleus of an atom is called the

Atoms are mostly composed of:

Elements with the same number of protons but different number of electrons are called:

An atom of helium has two protons and charge of zero. How many electrons does an atom of helium have?

Which of these describes the location of the neutrons in an atom?

Which of these describes the property that changes the MOST when a molecule loses an electron?

Which element is least likely to combine with another element?

Which element would most likely bond with Oxygen (O)?

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