Chemistry, 04.02.2020 06:10 lornalamkin
The metal wire in an incandescent lightbulb glows when the light is switched on and stops glowing when it is switched off. which kind of a change is seen in this process? .
a physical change.
a chemical change .
a nuclear change .
an ionic change.
Answers: 1
Chemistry, 23.06.2019 01:00
An unsaturated hydrocarbon is a hydrogen-carbon compound with a. a network solid structure b. single bonds c. single bonds in a branched-chain structure d. double or triple bonds
Answers: 1
Chemistry, 23.06.2019 06:30
Acertain atom has 22 protons and 19 electrons. this atom loses an electron. the net charge on the atom is now 4+1+01-4-. if this same atom with 22 protons and 19 electrons were to gain 3 electrons, the net charge on the atom would be 3+2+02-3-.
Answers: 1
The metal wire in an incandescent lightbulb glows when the light is switched on and stops glowing wh...
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