100 brainliest if
what is the main difference between these two chemical formulas? (d...
Chemistry, 02.02.2020 16:48 tylerwoodson
100 brainliest if
what is the main difference between these two chemical formulas? (down below)
a. they represent two different substances.
b. they represent different states of the same substance.
c. they represent different elements combined chemically.
d. they represent a different number of copies of a substance.
Answers: 2
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Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.
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In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?
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