An isotope has the same number ofbut a different number ofthan other atoms of the same element. :)

an isotope has the same number of protons but a different number of neutrons than the other atoms of the same element.

An isotope has the same number of protons but a different number of  neutrons than other atoms of the same element.

Explanation:

Hope this helps!

i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a

percent abundance for cu-63 can be shown as:

63 x + 65 (1-x) = 62.9296

65 - 62.9296 = 2 x

x = 1.035

thus, percent abundance for cu-63 is 1.035

percent abundance for cu-65 can be shown as:

63 x + 65 (1-x) = 64.9278

65 - 64.9278 = 2 x

x = 0.0361

thus, percent abundance for cu-63 is 0.0361

the mass spectrum of cu-63 showing the intense peak as, this isotope is found in nature more abundantly around 92.38 % in comparison to cu-65 which is found 62.58 % naturally