.
Neutral
Nonreactive
Halogens
Reactive
Alkali metals
Transition metals
Alkaline-earth metals
Lanthanides
Actinides
7
13
2
None of the above
Different forms of differents elements
Different forms of the same element
Gain
Lose
Share
Nothing
None of the above
7
14
16
4
Halogens
Transitions Metals
Noble Gases
Boron
Fluorine
Hydrogen
None of the above
Endothermic
Chemical
Physical
Exothermic
Form; break
Break; form
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