Question

An ion has a charge of +7. How far is it from being neutral?
A.
-0.07
B.
-7
C.
7
D.
70
E.
0.7

Answer 1

A neutral ion has a charge of 0

if the ion is at +7, what should happen for it to get to 0?

Answer 2

um it would have to drop 7

Answer 3

oh ok ty

Answer 4

correct, which choice would it be then?

Answer 5

e

Answer 6

no, let me try to rephrase... what do you have to do to go from 7 to 0?

Answer 7

would it be B

Answer 8

yes it would, its simple math really. 7 - 7 = 0

Answer 9

ok thak you