How many neutrons does copper have?

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Can you please tell me how many neutrons does copper-29 have?

Atomic number: 29
Atomic mass: 63.546 (3) r

2007-04-17 12:26:00 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

P(34) = 69.17%
P(36) = 30.83%

2007-04-17 12:33:06 · answer #1 · answered by Helmut 7 · 0⤊ 0⤋

Neutron Number = Mass Number - Atomic Number
= 64 - 29
= 35

2007-04-17 12:31:32 · answer #2 · answered by supercalofragilistic 3 · 0⤊ 0⤋