Asked by monique n

how many protons, electrons, and neutrons are in the following isotopes.
uranium-235
hydrogen-3
silicon-29

Answers

Answered by DrBob222
The number of protons is the atomic number.
The mass number is the number of protons + the number of neutrons.
The number of electrons is the same as the number of protons(in a neutral element).
Answered by monique n
so for uranium would it be
protons 92
electrons 145
neutrons 145
Answered by DrBob222
Did you read what I wrote?
The number of protons is the atomic number. 92 is correct.
The number of electrons <b>is the same as the number of protons</b> which must be 92.
The number of neutrons is mass number-atomic number = 235-92=143.
Answered by monique n
sorry i must have misread it
but thank u soooo much
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