LS2: Basic Chemistry, Water, & pH Flashcards

1
Q

Atom?

A
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2
Q

Molecule?

A
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3
Q

Element?

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4
Q

Compound?

A
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5
Q

Difference between a molecule & compound? (Give an example)

A
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6
Q
  1. Number of Naturally Occurring Elements?
  2. How many are essential to humans?
A
  1. 90
  2. idk
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7
Q
A
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