Ionic & Covalent Bonds

Arrange the following elements in increasing electronegativity Mg,C, Be, B

• C, Be, Mg, B

• Me, C, Mg, Be

• Mg, Be, B, C

• C, B, Be, Mg

Determine the number of valance electrons in (BC)₂H₃

• 21

• 7

• 6

• 17

Ionic bonds form between metals and ____.

• metalloids
• metals
• nonmetals

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What will be the compound name of the following chemical formula?
NaCl

• Potassium Chloride
• Sodium Chloride
• Calcium Chloride
• Sodium Chlorine

Tags

NGSS.MS-PS1-1

Nitrogen will ____ electrons when forming an ionic bond.

• gain 1
• lose 1
• gain 3
• lose 3

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

When an atom loses an electron, it becomes a:

• positive ion
• negative ion
• neutral ion
• neutral atom

A(n) _________ is an ion with a positive (+) charge.

• anion
• cation
• ion
• solute

How many valence electrons does calcium have?

• 2
• 4
• 6
• 7

Tags

NGSS.HS-PS1-1

What is the charge on a chloride ion?

• -1
• 1
• +2
• +1

What is the charge on an Aluminium ion?

• 3
• +3
• +2
• +1