Ionic bonds - pre-Quiz

Which of the following elements will form an ionic bond with chlorine (Cl)?

• Sodium (Na)

• Fluorine (F)

• Nitrogen (N)

Calcium (Ca) is a metal in group 2. How many valence electrons does Calcium (Ca) have?

• 2

• 4

• 6

Calcium (Ca) will ______ valence electrons when forming an ionic bond.

• gain 2

• lose 2

• gain 6

• lose 6

Calcium (Ca) will form an ion with a charge of

• -2

• +2

• -6

• +6

How many electrons are needed to fill the energy level of an atom.

• 4

• 6

• 8

An ionic bond is the attraction between

• oppositely charged ions

• like charged ions

• neutral atoms

Which is the chemical formula for Ca²⁺ and Cl^1- ?

A, CaCl

B. Ca₂Cl

C. CaCl₂

• A

• B

• C

Aluminum (Al) is a metal in group 3. How many valence electrons does aluminum(Al) have?

• 3

• 5

• 13

Aluminum (Al) will ______ valence electrons when forming an ionic bond.

• gain 1

• gain 3

• lose 3

• gain 5

What would the charge of an aluminum (Al) ion have?

• +1

• +3

• +5

• -5