2022- Science 8- Chemical 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

What type of bond is this?

• ionic
• covalent

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

• 2
• 4
• 6
• 8

How are covalent bonds formed?

• Sharing of electrons
• Transfer of electrons

Which is the charge that results when oxygen becomes an ion?

• +3
• +2
• -2
• -3

LiF

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

MgBr₂

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

Is hydrogen considered a metal or a non-metal?

• A metal
• Nonmetal
• Metalloid