States that atoms react in order to become stable like a noble gas.

• octet rule

• electron rule

• ionic rule

• coordination rule

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Refers to the electrons in the outer shell of an element.

• valence electrons

• coordination electrons

• metallic electrons

• orbital electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons are in an atom of Phosphorus?

• 2

• 3

• 4

• 5

Tags

NGSS.HS-PS1-1

How many valence electrons are in an atom of Magnesium?

• 2

• 3

• 4

• 5

Tags

NGSS.HS-PS1-1

How many valence electrons are in an atom of Silicon?

• 2

• 4

• 6

• 8

Tags

NGSS.HS-PS1-1

What is the charge of a Strontium ion?

• -2

• -1

• +1

• +2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons does barium have to give up to follow the octet rule?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following elements forms an ion with a -1 charge?

• fluorine

• hydrogen

• potassium

• sodium

Tags

NGSS.HS-PS1-1

What ion will potassium form?

• K²⁺

• K¹⁺

• K^1-

• K^2-

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons does nitrogen gain in order to follow the octet rule.

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2