Deck 24 (461 - 480) Flashcards
1
Q
- What is the correct electron configuration for a ground state atom with 7 electrons?
a. 1s2, 2s2, 2p3
b. 1s2, 2s2, 2p2, 3s1
c. 1s2, 2s3, 2p2
d. 1s2, 2s5
A
1s2, 2s2, 2p3
2
Q
- PIC
A
3
Q
- Which of the following compounds is the conjugate base of H2SO4:
a. H2SO3
b. HSO4-
c. HS-
d. SO42-
A
HSO4-
4
Q
- Write a balanced equation for the complete combustion of methane with oxygen
A
CH4(g) + 2 O2(g) -> CO2(g) + 2 H2O(l)
5
Q
- Which of the following compounds contain a coordinate covalent bond:
a. H2O
b. NH3
c. H3O+
d. PbCl2
A
H3O+
6
Q
- PIC
A
7
Q
- How many oxygen atoms are in 16 g of oxygen (O2) ?
Ar(O) = 16
a. 6.022 x 1023
b. 0.166 x 10-23
c. 3.011 x 1023
d. 0.083 x 10-23
A
3.011 x 10*23
8
Q
- PIC
A
9
Q
- The maximum number of electrons at n=2 is:
a. 32
b. 4
c. 8
d. 18
A
8
10
Q
- PIC
A
11
Q
- The substance that is the result of a chemical reaction is called a(n):
a. reactant
b. product
c. catalyst
d. inhibitor
A
product
12
Q
- PIC
A
13
Q
- The precipitate formed when barium chloride is treated with sulfuric acid is:
a. BaS
b. BaSO3
c. BaSO4
d. BaSO2
A
BaSO4
14
Q
- The following reaction can be classified as a(n):
CH3Br + NaOH -> CH3OH + NaBr
a. addition
b. elimination
c. substitution
d. rearrangement
A
rearrangement
15
Q
- Assign an oxidation number of a metal in the molecule CaSO4
A
+II (2)
