Ionic Compounds: Naming & Formula Writing

Ionic compounds generally form when ____________ and ________________ react with each other.

• nonmetals and nonmetals
• metals and metals
• metals and nonmetals
• polyatomic elements & nonmetals

Tags

NGSS.HS-PS1-2

Metals tend to _____ electrons to form _______; nonmetals tend to _____ electrons to form ________.

• lose, cations ;   lose, anions
• gain, cations ;    lose, anions
• gain, anions ;    gain, cations
• lose, cations ;     gain, anions

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The purpose of bonding for most elements is to achieve greater stability and to have a complete ______ of electrons in the outermost energy level.

• pair
• nucleus
• octet
• molecule

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons are in an atom of phosphorus (P)?

• 5
• 4
• 3
• 2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons are in an atom of potassium (K)?

• 4
• 3
• 2
• 1

Tags

NGSS.HS-PS1-1

How many valence electrons are in an atom of tungsten (W), atomic number 74?

• 4
• 3
• 2
• 1

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons are in an ion of arsenide, As^3-?

• 5
• 18
• 8
• 2

Tags

NGSS.HS-PS1-1

How many valence electrons are in a fluoride ion (F^-)?

• 8
• 7
• 10
• 0

Tags

NGSS.HS-PS1-1

How many valence electrons are in a calcium ion (Ca²⁺)?

• 2
• 8
• 18
• 0

Tags

NGSS.HS-PS1-1

How many total electrons are in a ferrous ion (Fe²⁺)?

• 28
• 26
• 24
• 8

Tags

NGSS.HS-PS1-1