these are the multiple choice question I got for homework:
Q.1. A chloride ion differs from a chlorine atom in having one-
(A) less proton (D) more electron
(B) more proton (E) more neutron
(C) less electron
Q.2. When a fluorine atom (2,7) becomes a fluoride ion, the.....
I atomic number of fluorine increases by 1
II atom loses one electron
III mass number of fluorine decreases by 1
IV atom takes on 1 negative charge
(A) I, II, III, IV (D) II,IV
(B) I, II, III (E) IV only
(C) II,III
Sorry for making your minds spin but I put up this homework because I wasn't at school yesterday and we are having monthly exams and none of my school mates are availabele for me to call, thanks in advance.(please give your answer with an explanation of how you got it, so I can understand)
2006-11-19
01:42:38
·
3 answers
·
asked by
sayeda_candy
2
in
Science & Mathematics
➔ Chemistry