bondings

Which of the followings has a full valence shell?

• Oxygen

• Neon

• Barium

• Carbon

Elements on the LEFT side of the periodic table will most likely form:

• Positive ions

• Negative ions

• Neutral ions

• None of these

An ionic bond forms when atoms ___________ electrons.

• gain
• share
• increase
• transfer

Which type of bond has an equal sharing of electrons?

• Polar covalent

• Non-polar covalent

• Ionic

• Metallic

What do atoms tend to do when they form positive ions?

• Tend to lose electrons

• Tend to lose protons

• Tend to gain electrons

• Tend to gain protons

How many electrons can the first energy level hold?

• 1

• 2

• 8

• 18

If an oxygen atom has 8 protons and 10 electrons , what is it's charge?

• O8^-

• O⁸⁺

• O^2-

• O²⁺

Why do atoms chemically bond?

• They typically don't bond

• To add or take away energy levels

• To have a full valance shell.

• To have a full inner shell

Ionic bonding generally is between a .............

• nonmetal and nonmetal

• metal and nonmetal

• metal and metal

• depends on the situation

Covalent bonding is between a .......................

• nonmetal and nonmetal

• metal and nonmetal

• metal and metal

• depends on the situation