Atoms and Ions

What are the three sub-atomic particles

• Protons, Neutrons and Electrons

• Alpha, Beta and Gamma

• Huey, Dewey and Louie

• Sharon, Lois and Bram

The number of protons found in the nucleus is known as the

• mass number

• atomic mass

• atomic number

• ion value

If there are equal numbers of protons as electrons, we call this a(n)

• cation

• anion

• atom

If there are more protons than electrons, we call this a(n)

• cation

• anion

• atom

If an atom has 5 protons and 4 neutrons, then the mass number will be

• 9

• 5

• 4

• 1

If there are 3 protons, 3 electrons and 4 neutrons, this would be called

• Lithium-7 -1 anion

• Lithium-6 +1 cation

• Lithium-6 atom

• Lithium-7 atom

Tags

NGSS.MS-PS1-1

If there are 9 protons, 10 electrons and 8 neutrons, this would be called

• Fluorine-19 atom

• Fluorine-17 1- anion

• Fluorine-17 1+ cation

• Fluorine-18 1- anion

Tags

NGSS.MS-PS1-1

Two atoms which have the same number of protons, but different numbers of neutrons are known as

• algorithms

• isotopes

• covalent

• synthetics

The electrons found in the outermost energy level are known as the ____________ electrons

• atomic

• valence

• ionic

• nuclear

Which of the following images correctly depicts a helium-4 atom?

• 
• 
• 
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Tags

NGSS.MS-PS1-1