Covalent Bonding

What two types of atoms make a covalent bond?

• 2 Nonmetals
• 1 Nonmetal and 1 Metal
• 2 Metals
• 2 Noble Gases

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NGSS.MS-PS1-1

How are covalent bonds explained?

• When one atom takes the other atom's electron
• When the atom shares an electron with an another atom
• When the two nucleus merge
• When the neutrons leave the nucleus

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NGSS.HS-PS1-2

In chemical compounds, covalent bonds form when

• the electronegativity difference between two atoms is very large.
• electrons are completely transferred between two metals.
• pairs of electrons are shared between two nonmetal atoms.
• two nonmetal atoms are attracted to each other by opposite charges.

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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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Is carbon considered a metal or a non-metal?

• metal
• nonmetal
• other

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NGSS.HS-PS1-1

How are ionic bonds formed?

• When atoms share an electron
• When opposite charged atoms attract
• When one atom takes a proton
• When one atom takes a neutron

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NGSS.HS-PS1-2

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

• Bonded Together
• Apart

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NGSS.HS-PS1-4

What would you name this molecule?

• SNa3
• H3O
• NaCl
• H2O

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

What molecule is this?

• CO
• CO2
• C2O
• C2O2

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

The desire for an element to have 8 atoms around it is called 

• Octet Rule
• Resonance
• Ionization energy
• Electronegativity

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NGSS.HS-PS1-1

NGSS.HS-PS1-2