Chemical bonding class 9

1. 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

2. Ionic Bonding involves:

• The transfer of protons

• The transfer of neutrons

• The transfer of electrons

• None Of the above

Tags

NGSS.HS-PS1-2

3. What do atoms that form positive ions tend to do?

• Tend to lose electrons

• Tend to lose protons

• Tend to gain electrons

• Tend to gain protons

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

4. What usually forms the positive ion?

• Metal

• Nonmetals

• None

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

5. What happens when the sodium atom loses an electron?

• It become negatively charged

• It become positively charged

• none

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

6. What usually forms the negative ion?

• Nonmetals

• Metal

• None

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

7. Covalent compounds:

• Share electrons

• Transfer electrons

• Neither

8. What happens when an atom loses an electron?

• Neutral (no charge)

• Positive Charge

• Negative Charge

Tags

NGSS.HS-PS1-2

9. What happens when an atom gains an electron?

• Neutral (no charge)

• Positive Charge

• Negative Charge

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

10. What charges attract?

• Opposite

• Same

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NGSS.HS-PS2-4

NGSS.HS-PS3-5