Answered

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Which statement(s) about electrons is/are TRUE?
SELECT ALL THAT APPLY
a
When they were first discovered, they were named
"corpuscles."
b They have a negative charge.
с
They have a unique charge-to-mass ratio
depending on the element.
d They have a tiny but significant mass.

Sagot :

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Answer:

All are correct

Explanation:

a. when Thomson discovered electrons he called them copuscles.

b. Millikan calculated chage on electron which is -1.6022 x [tex]10^{-19}[/tex]C

c. Charge to mass ratio of electron is fixed that is 1.758820 x [tex]10^{11}[/tex]C/kg

d. Although electons have mass (9.1 x [tex]10^{-31}[/tex]kg) but is very small therefore it is not taken while calculating mass of atom.

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