Chemical Bonding Properties

How many valence electrons does nitrogen have?

• 3
• 2

• 5
• 1

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NGSS.HS-PS1-1

Compounds made from only nonmetals are _________________ compounds.

• ionic
• covalent
• metallic
• chemical

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NGSS.HS-PS1-2

A covalent bond involves a __________ of electrons.

• sharing
• borrowing
• exchanging
• switching

The chemical formula shows one carbon atom bonded to __________ oxygen atoms.

• one
• two
• three
• four

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NGSS.MS-PS1-1

a bond formed when atoms share one or more pairs of electrons

• covalent bond

• ionic bond

• reactant

• product

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NGSS.HS-PS1-1

a bond that forms when electrons are gained or lost (transferred) from one atom to another

• covalent bond

• ionic bond

• reactant

• product

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NGSS.HS-PS1-1

an atom that has a full shell of valence electrons

• ion

• stable atom

• unstable atom

• product

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NGSS.HS-PS1-1

Which of the following is TRUE about ionic compounds?

• They have low melting and boiling points.

• They can conduct electricity in the solid state.

• They are stronger than covalent bonds.

• They are usually formed from 2 metals.

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NGSS.HS-PS1-3

What set of elements is most likely to form a covalent compound?

• Na and O

• Na and K

• O and C

Which of the following is NOT TRUE about covalent compounds?

• They have low melting and boiling points.

• They are formed from 2 nonmetals.

• They can conduct electricity when dissolved in water (aqueous).

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NGSS.HS-PS1-1