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1,000,000,000,000
tera
1012
tera
1,000,000,000
giga
109
giga
1,000,000
mega
106
mega
1,000
kilo
103
kilo
0.1
deci
10-1
deci
0.01
centi
10-2
centi
0.001
milli
10-3
milli
0.000001
micro
10-6
micro
0.000000001
nano
10-9
nano
0.000000000001
pico
10-12
pico
Diatomics
O2, N2, H2, F2, Cl2, Br2, I2
Mass number =
Protons plus neutrons
Atomic number =
Number of protons
The gaining of electrons creates a _____ charge
negative
The loss of electrons creates a _____ charge
positive