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max2010maxim [7]
3 years ago
5

Accurate and reproducible measurements of the masses of reacting elements and the compounds.

Biology
2 answers:
fredd [130]3 years ago
7 0
The answer is Theory
melamori03 [73]3 years ago
6 0
The correct answer is theory
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SOMEONE HELP WHAT ARE THE ANSWERS FOR THIS!!!!
Flura [38]

carbon's atomic number is =6

oxygen's atomic number is=8

potassium's atomic number is=19

arsenic's atomic number is=33

lodine atomic number is=53

calcium's atomic number is=20

boron's atomic number is=5

neon's atomic number is=10

protons

carbon=6

oxygen=8

potassium=19

arsenic=33

lodine=53

calcium=20

boron=5

neon=10

electrons

carbon=6

oxygen=8

potassium=19

arsenic=33

lodine=53

calcium=20

boron=5

neon=10

groups of the elements

carbon group 6

oxygen group 14

potassium group 1

arsenic group 15

lodine group 17

calcium group 2

boron group 5

neon group 18

valence electron

carbon 2;4

oxygen 2

potassium 1

calcium 2

boron 3

neon 0

lodine 1

cation or anion

c-

o+

k+

ca+

l-

b3+

ne+

as+

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