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Chapter 3 Vocab

1
2
3
4
5
6
7
8
9
10
11
12
13
Across
1
Mass neither destroyed nor created
3
Number of particles in 1 mole of a pure substance
7
Same elements in the same proportions
8
Number of protons and neutrons in the nucleus of an isotope
10
Smallest particle of an element
12
Atoms of the same element with different masses
13
Things that hold the nuclear particles together
Down
1
Ratio of small whole numbers
2
Naturally occurring isotopes of an element
4
A general term for any isotope of any element
5
1/12 the mass of a carbon-12 atom
6
Number of proportions in the nucleus
9
Mass of 1 mole of a pure substance
11
Amount of substance that contains as many particles as there are atoms in 12 g of carbon-12