somebody plz do u have the
Chemistry, 09.11.2019 02:31 skaterwolf1317
Won’t have time to finish due date is today was @ hospital all
somebody plz do u have the
1.) what is the resulting formula unit when calcium (ca) and sulfur (s) bond?
2.) which of the following would naturally form an anion?
a.) he
b.) h
c.) n
d.) b
3.) which of the following atoms would gain two electrons to fill its valence energy level?
a.) ca
b.) br
c.) s
d.)b
4.) which of the following is not a correct formula unit?
a.) mgo
b.) la2n3
c.) kci
d.) li3n
5.) when nitrogen and magnesium form an ionic bond, what is the formula?
a.) n3mg
b.) n2mg3
c.) mg2n3
d.) mg3n2
6.) what would be the subscripts for the formula unit ca_o_?
a.) 1,1
b.) 1,2
c.) 2,1
d.) 2,2
7.) what is the charge of an oxide ion?
a.) 2+
b.) 3+
c.) 2-
d.) 3-
8.) what is the formula of a compound formed between iodine (i) and aluminum (al)?
9.) which of the following is a possible formula unit?
a.) li3b
b.) cio2
c.) licl
d.) pbn
Answers: 2
Chemistry, 21.06.2019 18:30, ElizabethF
Calculate the change in entropy if br2(l) is converted to br2(g). s° for br2(l) = 152.2 j/(mol•k) s° for br2(g) = 245.5 j/(mol•k) s° for br(g) = 175.0 j/(mol•k)
Answers: 3
Chemistry, 21.06.2019 22:00, pettygirl13
Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )
Answers: 3
Chemistry, 22.06.2019 00:00, annsmith66
What is the result of multiplying (2.5 × 1010) × (2.0 × 10-7)? a. 5.0 × 103 b. 5.0 × 10-3 c. 5.0 × 1017 d. 5.0 × 10-17
Answers: 1
Won’t have time to finish due date is today was @ hospital all
somebody plz do u have the
somebody plz do u have the
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