A.P. Chemistry - Introductory Quiz
Introductory Chem Quiz
- 1.The compound copper(I) sulfate would have which formula?
- A.
Cu2SO4
- B.
CuSO4
- C.
Cu2(SO4)
- D.
Cu(SO4)2
- 2.The ground state electron configuration 1s22s22p63s23p64s13d5 would correspond to which element?
- A.
manganese
- B.
chromium
- C.
potassium
- D.
none of these
- 3.According to the electron configuration for magnesium, we would expect it to have how many valence electrons?
- A.
1
- B.
2
- C.
8
- D.
12
- 4.Which of these scientists performed the Gold Foil Experiment?
- A.
James Chadwick
- B.
Joseph Thomson
- C.
Niels Bohr
- D.
Ernest Rutherford
- 5.Which of these atoms would have the greatest atomic radius?
- A.
copper
- B.
chromium
- C.
calcium
- D.
krypton
- 6.Which of the following would have the greatest average kinetic energy?
- A.
water at 70 degrees Celsius
- B.
liquid water at 100 degrees Celsius
- C.
steam at 100 degrees Celsius
- D.
both B and C
- 7.Phosphorus tetrachloride would have the formula
- A.
PCl3
- B.
PCl4
- C.
P4Cl
- D.
P3Cl4
- 8.One mole of iron(II) chloride would have a mass of
- A.
91.3 g
- B.
126.8 g
- C.
147.1 g
- D.
Not enough information given
- 9.One liter of water vapor at STP would have a mass of
- A.
22.4 g
- B.
403 g
- C.
1.24 g
- D.
0.804 g
- 10.Which of these atoms has two valence electrons?
- A.
Carbon
- B.
Chromium
- C.
Scandium
- D.
More than one of the above
- 11.Which of the following is NOT a part of the kinetic-molecular theory?
- A.
All gases are composed of tiny particles.
- B.
Particles of gases are in constant motion.
- C.
When particles collide, their collisions are perfectly elastic.
- D.
Pressure is inversely proportional to the area an object occupies.
- 12.How many of the electrons in the ground state electron configuration of carbon are unpaired?
- A.
0
- B.
1
- C.
2
- D.
3
- 13.A box with a force of 100 Newtons occupies an area of 0.1 square meters on the floor. If one pascal = 1 Newton / meter2, then what is the pressure the box exerts on the floor?
- A.
10 pascals
- B.
100 pascals
- C.
1000 pascals
- D.
0.001 pascals
- 14.Which part of John Dalton's Atomic Theory is incorrect?
- A.
All atoms of an element are identical, yet different from atoms of other elements.
- B.
All elements are made of atoms.
- C.
Chemical reactions neither create nor destroy atoms.
- D.
Atoms are bonded together in constant whole-number ratios in compounds.
- 15.A sample of 3.01 x 1023 atoms of manganese would have a mass of
- A.
12.2 g
- B.
27.5 g
- C.
109.8 g
- D.
Not enough information given
Questions: 10 | Attempts: 37231 | Last updated: Jun 23, 2020
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