Chem Midterm Flashcards

1
Q

would changing color be considered a chemical or physical change?

A

physical

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2
Q

what do chemical reactions create?

A

new substances

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3
Q

how would you convert something to the kelvin scale

A

by subtracting 273

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4
Q

how would you convert something to celsius?

A

add 273 (if it’s K)

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5
Q

what are all elements made out of?

A

atoms

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6
Q

all atoms in an element are what?

A

identical

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7
Q

who used gold foil in their experiment?

A

rutherford

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