Cumulative Exam — Cumulative exam Answers
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What is the electron configuration of chlorine (Cl)?
A
1s22s22p63s23p3B
1s22s22p63s23p5C
1s22s22p63s24s23p3D
1s22s22p63s23p23d322
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Which is a postulate of the kinetic-molecular theory?
A
Gas particles have a small volume relative to the spaces between them.B
Gas particles have a large volume relative to the spaces between them.C
Gas particles are very small in size and always move slowly.D
Gas particles are very large in size and always move slowly.23
What is the relationship between a mole and Avogadro’s number?
A
A mole is the mass of Avogadro’s number of particles of a substance.B
A mole is the amount of a compound that has Avogadro’s number of carbon-12 atoms in it.C
A mole contains Avogadro’s number of particles of a substance.D
A mole is the amount of any substance that has the same mass as Avogadro’s number of carbon-12 atoms.24
Which commercial technology commonly uses plasmas?
A
a radioB
a race carC
a televisionD
a microwave oven25
The diagrams show gases that are stored in two separate but similar containers.If both gases are at the same temperature, which one has the greater pressure?
A
gas 1 because the particles are moving much fasterB
gas 1 because it has fewer particles that are close togetherC
gas 2 because it has more particles that are collidingD
gas 2 because the particles have more space between themDid you find these answers helpful?
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