College Prep Chemistry Semester 1 Final Review2

Question 1

Give the symbol that identifies the following isotope. 8 protons, 9 neutrons, 8 electrons

Accepted Answer

O -17

Question 2

What is the Celsius temperature that corresponds to 35K (0C = 273K)?

Accepted Answer

-238oC

Question 3

In Rutherford's gold foil experiment, he discovered

Accepted Answer

atoms are composed of mostly empty space

Question 4

How many atoms are in one molecules of (NH4)3PO4?

Accepted Answer

20

Question 5

Energy in motion is referred to as _______________, while _______________ is stored energy.

Accepted Answer

Kinetic Energy, Potential Energy

Question 6

How many valence electrons does a nitrogen atom have?

Accepted Answer

5

Question 7

Which one is a quantitative measurement?

Accepted Answer

four hundred

Question 8

A measure of the average kinetic energy of particles in a sample of matter is its

Accepted Answer

Temperature

Question 9

In the process of dissolving 1 g of sodium chloride in water, the water is referred to as the

Accepted Answer

solvent

Question 10

What is dibromine heptoxide?

Accepted Answer

Br2O7

Question 11

What is 5.3 x 10e3 in scientific notation?

Accepted Answer

5300

Question 12

How many millimeters in a kilometer?

Accepted Answer

1000000

Question 13

What is an ion with a positive charge called?

Accepted Answer

a cation

Question 14

What symbol represents heat capacity?

Accepted Answer

C

Question 15

What is FeO?

Accepted Answer

Iron (II) oxide

Questions 15