Chemistry Test Polar, Non-polar, etc

How many groups are on the periodic table

• 12

• 11

• 28

• 18

How many groups are on the periodic table

• 9 periods

• 7 periods

• 10 periods

• 6 periods

What are valance electrons

• Valence electrons are the outmost electron shell of an atom

• Valence electrons are the innermost electron shell of an atom

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NGSS.HS-PS1-1

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How mast valence are needed for an atom to be stable

• 14

• 4

• 8

• 16

What are ionic ?

• ions are any atom or group of atoms that bears one or more positive or positive electrical charges

• ions are any atom or group of atoms that bears one or more positive or negative electrical charges

An ionic compound is a compound formed when a _______ and a _______ are bonded together

Negatively charged ions _______ electrons to become stable. They are called ________

What group/s of elements acquires a positive charge when they become stable

• Noble gases

• Metalloids

• Non metals

• Metals

Which group/s of elements acquires a negative charge when they become stable

• Metals

• Non metals

• Metalloids

• Noble gases

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Explain why oxygen is fairly reactive element while neon is not?

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NGSS.HS-PS1-1

NGSS.HS-PS1-2