ionic bond

Ionic bonds form between two ions that have...

• ionic compounds
• negative charges
• positive charges
• opposite charges

Tags

NGSS.HS-PS1-2

Which is most likely to form a negative ion...

• an element from Group 17
• a metal
• an element from Group 1
• an element with atoms that have eight valence electrons

A(n) _____________ is an atom or group of atoms that has an electric charge. 

• ion
• electron

The attraction between oppositely charged ions is called a(n) _______________.

• ionic bond
• polyatomic ion

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-4

When an atom loses a valence electron, it becomes a(n) _________ion.

• positive 
• negative

In order to have a stable arrangement of 8 valence electrons, metal atoms are likely to _________electrons.

• gain
• lose

In an ionic compound, the total positive charge of all the positive ions ___________ the total negative charge of all the negative ions.

• equals
• is more than

Because the force of attraction between the positive and negative ions is so strong, ionic compounds have _________ melting points.

• high
• low

Beryllium will ____ valence electrons when forming an ionic bond.

• lose 4
• gain 4
• lose 2
• gain 2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which is the correct name for CaBr₂?

• Calcium Bromine
• Bromine Calcium
• Calcium Bromide
• Carbon and Bromine