Student ID No. 20. How many orbitals are associated with the p-sub energy levels? a 2 b. 3 c. 5 d. 6 e. 7 21. The correct arrangement of the first seven sub-energy levels in an atom would be a. 1s,2s,2p,3s,3p,3d,4s b. Is,2s,2p.3s,3p,4s,3d c. Is,2p,2s,3s,3p.3d,4s d. Is,2p,2s,3p,3s,4s,3d e. Is,2s,3s,2p,3p.3d,4s, 22. Hydrogen can be placed in group I because it can lose one electron in its reactions II. can gain one electron to complete its outer shell has an oxidation number of +1. 1. has one electron in its outer shell III. IV. a. IV b. IV and I c. II, II d. 1, II, IV e. All of the above pound MCb. In which group of the periodic table is M?

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Chapter1: Chemical Foundations
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Student ID No.
20. How many orbitals are associated with the p-sub energy levels?
a. 2
b. 3
c.
d. 6
e. 7
21. The correct arrangement of the first seven sub-energy levels in an atom would be
a. 15,2s,2p,3s,3p,3d,4s
b. 1s,2s,2p.3s,3p,4s,3d
c. 1s,2p,2s,3s,3p,3d,4s
d. Is,2p,2s,3p,3s,4s,3d
e. Is5,2s,35,2p,3p.3d,4s,
22. Hydrogen can be placed in group I because it
can lose one electron in its reactions
has one electron in its outer shell
1.
I.
can gain one electron to complete its outer shell
has an oxidation number of +1.
II.
IV.
a. IV
b. IV and I
c. II, II
d. 1, II, IV
e. All of the above
23. An element M forms a compound MCb. In which group of the periodic table is M?
a. I
b.I
cc. II
d. V
e. II
24. An element HQ has a valency of
a. 1
b. 2
C. 3
d. 4
c. 5
25. Which of the following two elements to form an ionic compound?
a. Cand O
b. Al and Mg
c. Hand S
d. Cu and O
Page 5 o
Transcribed Image Text:Student ID No. 20. How many orbitals are associated with the p-sub energy levels? a. 2 b. 3 c. d. 6 e. 7 21. The correct arrangement of the first seven sub-energy levels in an atom would be a. 15,2s,2p,3s,3p,3d,4s b. 1s,2s,2p.3s,3p,4s,3d c. 1s,2p,2s,3s,3p,3d,4s d. Is,2p,2s,3p,3s,4s,3d e. Is5,2s,35,2p,3p.3d,4s, 22. Hydrogen can be placed in group I because it can lose one electron in its reactions has one electron in its outer shell 1. I. can gain one electron to complete its outer shell has an oxidation number of +1. II. IV. a. IV b. IV and I c. II, II d. 1, II, IV e. All of the above 23. An element M forms a compound MCb. In which group of the periodic table is M? a. I b.I cc. II d. V e. II 24. An element HQ has a valency of a. 1 b. 2 C. 3 d. 4 c. 5 25. Which of the following two elements to form an ionic compound? a. Cand O b. Al and Mg c. Hand S d. Cu and O Page 5 o
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