What causes the appearance of lines in an emission spectrum?
a. light is absorbed as an...
What causes the appearance of lines in an emission spectrum?
a. light is absorbed as an electron moves to a higher energy state.
b. light is released as an electron moves to a lower energy state.
c. an electron is released as light when it moves to a lower energy state.
d. an electron is released as light when it moves to a higher energy state.
Answers: 3
Chemistry, 22.06.2019 03:10
The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.
Answers: 1
Chemistry, 22.06.2019 12:30
Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?
Answers: 3
Chemistry, 23.06.2019 04:00
How much energy is required to vaporize 2 kg of copper? a 4730 kj b 207kj c 9460 kj d 414kj
Answers: 1
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