Covalent Bonding Quiz #1

Hydrogen is a

• Metal

• Non-metal

• Metalloid

• Noble gas

What two types of atoms make a covalent bond?

• 2 Nonmetals

• 1 Nonmetal and 1 Metal

• 2 Metals

• 2 Noble Gases

How are covalent bonds explained?

• When one atom takes the other atom's electron

• When the atom shares an electron with an another atom

• They contain a sea of mobile electrons.

• When the neutrons leave the nucleus

What region of the periodic table contains atoms that form covalent bonds?

• the left side
• the middle
• the right side
• top left

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Carbon is considered a

• metal

• nonmetal

• metalloid

• noble gas

Are the atoms more stable when they are bonded together or when they are apart? 

• Bonded Together
• Apart

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What molecule is this?

• CO
• CO2
• C2O
• C2O2

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Why do atoms share electrons?

• To attain the electron configuration of a noble gas.
• To become ions and take a charge
• to increase the mass
• it's a nice thing to do.

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How many electrons are shared in a single covalent bond?

• 2 pairs

• 4

• 2

• 1

Which of the following is NOT formed by a covalent bond?

• K₂S
• H₂O
• I₂
• CO₂

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