Chapter 4: The Elements Flashcards

1
Q

What can elements form

A

Compounds/substances

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2
Q

How many elements are currently known

A

118

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3
Q

How many elements make up most of the earths compounds

A

9

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4
Q

Which 4 elements form the basis for all biologically important molecules

A

Oxygen, carbon, hydrogen, and nitrogen

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5
Q

All matter can be broken into this

A

Elements

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