lexxiiee653
17.12.2019 •
Chemistry
Which of the following is not a correct ionic formula unit?
bao
ca3n2
kcl
lis2
question 3(multiple choice worth 2 points)
when nitrogen and aluminum form an ionic bond, what is the formula?
n2al3
nal
al2n3
aln
question 4 (essay worth 3 points)
what is the formula of a compound formed between iodine (i) and aluminum (al)?
question 5(multiple choice worth 2 points)
what is the charge of an oxide ion?
2+
3+
2-
3-
question 6(multiple choice worth 2 points)
which of the following is a possible formula unit?
li3b
clo2
licl
pbn
question 7(multiple choice worth 2 points)
what subscripts are needed to complete the formula unit li_n_?
1,1
3,1
1,3
3,3
question 8 (essay worth 3 points)
what is the resulting formula unit when magnesium (mg) and nitrogen (n) bond?
question 9(multiple choice worth 2 points)
what element gains three electrons to fill its valence energy level?
s
n
al
c
number 4 and 8 are essays
Solved
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Ответ:
3) AIN
4) Al x 1 and I x 3 or Al I3
5) 2-
6) LiCl
7) 3,1
8) Mg3N2
9) N
Hope this helps! <3
Ответ:
first number listed below the diagram.
☃️ Hope this helps☃️