Unit 3 Zone 1 Practice

When an atom loses an electron, it becomes a:

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

When an atom loses an electron, it becomes a:

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

Ionic bonds form between metals and ____.

• metalloids
• metals
• nonmetals

What type of bond is this?

• ionic
• covalent

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

• molecule
• ion
• isotope
• element

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.

Ionic bonds are between...

• Metal and Non-metal
• Non-metal and Non-metal
• Metal and Metal

How are covalent bonds formed?

• Sharing of electrons
• Transfer of electrons

Covalent Bonds

• metal with nonmetal

• nonmetal with nonmetal