Ionic and Covalent Bonding

When an atom loses an electron, it becomes a:

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

Elements in Group 1 lose one electron to form ions with a(n) _________________ charge.

• 1+
• 2+
• 0
• 1-

Ionic bonds form between metals and ____.

• metalloids
• metals
• nonmetals

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

• 2
• 4
• 6
• 8

What is a valence electron?

• The sum of neutrons and protons.
• The # of electrons in the last shell.
• A type of bond.
• A popular compound.

How are covalent bonds formed?

• Sharing of electrons
• Transfer of electrons

Where are the metalloids located on the periodic table?

• Blue
• Red
• Green

LiF

• Ionic Bond
• Covalent Bond
• Both bonds
• Neither bond

MgBr₂

• Ionic Bond
• Covalent Bond
• Both bonds
• Neither bond

Identify the following compound as ionic or covalent: MgO

• ionic

• covalent