What causes lightning?
a) thunder
b)an electric discharge
c)rising warm air...
Chemistry, 09.12.2019 04:31 kianakilbourn8
What causes lightning?
a) thunder
b)an electric discharge
c)rising warm air
d)air masses meeting
Answers: 2
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Which orbitals form a pi bond? a. the s orbital and three p orbitals b. the s orbital and two p orbitals c. overlapping p orbitals d. overlapping hybrid orbitals
Answers: 2
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Use the periodic table to classify each of the elements below. cadmium (cd): vanadium (v): xenon (xe): iodine (i): potassium (k): strontium (sr):
Answers: 3
Chemistry, 23.06.2019 17:00
Liquid nitrogen is kept at a temperature of -320 degrees. when liquid nitrogen is heated it quickly boils and turns into gas. which pair of pictures represent the change caused by adding heat to liquid nitrogen?
Answers: 3
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