The most common form of calcium has 20 protons, 20 neutrons, and 20 electrons. Which of the following elements would be an isotope of calcium?
a)an atom with 20 protons, 21 neutrons, and 20 electrons
b)an atom with 20 protons, 20 neutrons, and 18 electrons
c)an atom with 21 protons, 20 neutrons, and 21 electrons
d)all of the above
e) none of the above
2007-01-27 17:02:13 · 6 answers · asked by soccerjock 2 in Science & Mathematics ➔ Chemistry
a) an atom with 20 protons, 21 neutrons, and 20 electrons
A isotope is an atom with the same number of protons in the nucleus, but a different number of neutrons.
2007-01-27 17:09:23 · answer #1 · answered by Anonymous · 2⤊ 0⤋
A).
An isotope is the form of an element with a different number of neutrons but the same number of protons, as the answerer above me said.
2007-01-28 01:11:03 · answer #2 · answered by demon_card99 4 · 2⤊ 0⤋
yes A
2007-01-28 01:14:08 · answer #3 · answered by aryan 1 · 2⤊ 0⤋
a
2007-01-28 01:10:05 · answer #4 · answered by Anonymous · 1⤊ 0⤋
a) i'm positive
2007-01-28 01:15:45 · answer #5 · answered by brandon 5 · 2⤊ 0⤋
B)
2007-01-28 01:07:02 · answer #6 · answered by blazncaczn 3 · 0⤊ 2⤋