Atom Review Question Preview (ID: 52675)


Matter And Atom Review. TEACHERS: click here for quick copy question ID numbers.

If oxygen has an atomic number of 8 and an atomic mass of 16, how many neutrons does oxygen have?
a) 6
b) 7
c) 8
d) 9

An oxygen atom has 8 electrons when it is neutral. How many electrons will it have it the oxygen ion has a charge of -2?
a) 7
b) 8
c) 9
d) 10

What is the space around the nucleus called?
a) nucleus
b) subatomic particle
c) electron cloud
d) atom

How do you find the number of neutrons an atom has?
a) Atomic mass - atomic number
b) Number of Protons - atomic number
c) Atomic mass - electrons
d) atomic mass + atomic number

If an oxygen atom has 8 protons and 10 electrons, what will it's charge be?
a) +1
b) -1
c) +2
d) -2

Which subatomic particle has virtually no mass?
a) protons
b) electrons
c) neutrons
d) protons and neutrons

Oxygen's atomic number is 8. If the atom is neutral, how many electrons will it have?
a) 8
b) 9
c) 10
d) 11

The atomic number of an element always tells us how many ____ that element has. This number never changes.
a) electrons
b) neutrons
c) protons
d) atoms

Which of the following subatomic particles does an atom share, gain, or lose when reacting with other atoms?
a) protons
b) electrons
c) neutrons
d) protons and electrons

What two subatomic particles are found within the nucleus of an atom?
a) proton and neutron
b) proton and electron
c) neutron and electron
d) proton only

When a substance goes from a solid to a liquid, it is:
a) freezing
b) melting
c) evaporating
d) condensing

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