Atoms and Ions Test

What charge does an atom have when it GAINS electrons?

• Positive

• Negative

• Neutral

How many protons in a neutral lithium atom?

• 3

• 7

• 4

• 1

Tags

NGSS.MS-PS1-1

How many electrons in a neutral lithium atom?

• 3

• 7

• 4

• 1

Tags

NGSS.MS-PS1-1

How many electrons in a neutral aluminum atom?

• 13

• 27

• 16

• 10

Tags

NGSS.MS-PS1-1

Which subatomic particle is used to identify the atom, as it never changes?

• protons

• neutrons

• electrons

Tags

NGSS.MS-PS1-1

An ion with a positive charge is a(n) __________________.

• Anion

• Cation

An ion with a negative charge is a(n) __________________.

• Anion

• Cation

The reason that Noble Gases do not react is because

• Their outer electron shell is filled

• Their inner electron shell is filled

• They are able to bond to fill their outer shell

• None of the above, Noble Gases are highly reactive

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

An atom is electrically neutral when

• protons and neutrons are the same
• protons and electrons are the same
• neutrons and electrons are the same
• neutrons balance the protons and electrons

Elements in a ..................have similar chemical properties.  

• period
• group
• row