mathlady12
13.04.2021 •
Chemistry
J.J. Thompson discovered the first subatomic particle, , by deflecting a
"cathode ray" beam with an electric field. Robert Millikan later determined that
particle's charge in his "oil drop" experiments.
A) the proton
B) the nucleus
C) the neutron
D) the electron
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Ответ:
2 hydrogen and 1 oxygen
Explanation:
H2O
Hydrogen has the coefficient so you multiply 1 by 2 and it equals 2
Oxygen does not have any sub or coe so its automatically 1