a. neutrons and electrons.
Chemistry, 31.01.2020 16:49 kennieharris726
The nucleus is the center of an atom. it consists of
a. neutrons and electrons.
b. protons and neutrons.
c. protons and electrons.
Answers: 2
Chemistry, 21.06.2019 23:00, fespinoza019
A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?
Answers: 1
Chemistry, 23.06.2019 08:50, leah5981
Reacting masses1 calcium carbonate breaks down on heating to produce calcium oxide and carbondioxide gas. caco3 + cao + co2a student heats 15 g of calcium carbonate strongly in a crucible. relative atomic masses (a): ca = 40, c = 12, o = 16.calculate the mass of calcium oxide produced by this reaction.(5 marks)
Answers: 3
The nucleus is the center of an atom. it consists of
a. neutrons and electrons.
a. neutrons and electrons.
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