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chemistry paper 1 > chemical reactions > Flashcards

chemical reactions Flashcards

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1
Q

what is an element

A

a substance contains only one Type Of atom e.g. Ms, 02

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2
Q

what is a compound

A

a substance containing two or more different types of atoms CHEMICALLY BONDED e.g. H20

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3
Q

what does the conservation of mass say

A

atoms cant be created or destroyed in a reactions so the equation must be balanced

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chemistry paper 1 (18 decks)

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