A.P. Chemistry - Introductory Quiz

15 Questions | By Jkrug | Last updated: Mar 20, 2022 | Total Attempts: 48

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Introductory Chem Quiz

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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