octet rule practice quiz

The octet rule states that atoms are more stable when they

• have more protons than electrons

• have more electrons than protons

• have a full outer shell

• have a partial outer shell

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What type of elements tend to form anions?

• metals

• nonmetals

• metalloids

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What type of atoms tend to form cations?

• metals

• nonmetals

• metalloids

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Anions have a ________ charge.

• positve

• negative

• neutral

Cations have a __________ charge.

• positive

• negative

• neutral

This atom will

• lose 2 electrons

• gain 2 electrons

• lose 6 electrons

• gain 6 electrons

• do nothing

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

This atom will

• lose 1 electron

• gain 1 electron

• lose 7 electrons

• gain 7 electrons

• do nothing

Tags

NGSS.HS-PS1-1

How many valence electrons are elements trying to reach in their outer shells?

• 1
• 2
• 5
• 8

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How do you determine the number of valence electrons an element has?

• Look at its period
• Look at its group
• Look at its atomic number
• Look at its atomic mass

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons does Calcium (Ca) need to lose to become stable?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-1