Ionic Bonds

How many electrons are needed in the outer energy levels of an atom to be stable?

• 2
• 4
• 6
• 8

A charged particle that has gained or lost electrons is called a _____.

• molecule
• ion
• isotope
• element

What type of bond is this?

• ionic
• covalent

Tags

NGSS.HS-PS1-3

Nitrogen will ____ valence electrons when forming an ionic bond.

• gain 1
• lose 1
• gain 3
• lose 3

Tags

NGSS.HS-PS1-2

Beryllium will ____ valence electrons when forming an ionic bond.

• lose 4
• gain 4
• lose 2
• gain 2

Tags

NGSS.HS-PS1-2

Boron will ____ valence electrons when forming an ionic bond.

• lose three
• gain three
• lose 5
• gain 5

Tags

NGSS.HS-PS1-2

Ionic bonds form between metals and ____.

• metalloids
• metals
• nonmetals

What determines ionic bonds to form?

• Number of protons
• Mass of the atom
• Number of total electrons
• Number of valence electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Ionic bonds consist of the ____ of valence electrons.

• sharing
• transfer

Write the formula when S and K bond?

• SK
• KS
• K₂S
• S2K