Ionic & Covalent Bonding

When an atom loses an electron, it becomes a:

• positive ion
• negative ion
• neutral ion
• neutral atom

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

Tags

NGSS.HS-PS1-2

Where are the nonmetals located on the periodic table? 

• Blue
• Red
• Green

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NGSS.HS-PS1-1

Ionic bonds exist between a metal with a non-metal.

• True
• False

Magnesium (Mg) and Oxygen (O) form an ________ bond.

• Ionic
• Covalent
• Metallic
• Nothing

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What usually forms the negative ion?

• nonmetals

• metal

• none

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

• K₂S
• H₂O
• I₂
• CO₂

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

To form the nitride ion, the nitrogen atom needs to _____ electrons and will have a ______ charge.

How does calcium become an calcium ion?

• it loses 2 electrons

• it gains 2 electrons

Identify the following compound as ionic or covalent: SO₂

• ionic

• covalent

Tags

NGSS.HS-PS1-2