Apologia Chemistry Jeopardy

Elements & Compounds

100

The mass # of an element is equal to what?

The # of protons & neutrons in the nucleus of that atom

200

Name the compound: Al₂O₃

aluminum oxide

300

Name the compound: P₂O₃

Diphosphorous trioxide

400

Which of the following is not a noble gas?

He, Ne, Br, Ar, Kr

Br (Bromine)

500

What is the difference between the various isotopes of an atom?

Isotopes have the same number of protons but different numbers of neutrons

Polyatomic Ions

100

OH^-

hydroxide

200

NO₃^-

nitrate

300

CO₃^2-

carbonate

400

SO₃^2-

sulfite

500

C₂H₃O₂^-

acetate

Molecular Structure

100

An atom's chemical behavior is determined mostly its the number of what?

valence electrons

200

Most atoms strive to have how many valence electrons?

8

300

In a polar covalent bond, are electrons shared equally or unequally?

unequally

400

In an ionic compound, __________ try to gain electrons & _________ try to lose them.

nonmetals; metals

500

What does VSEPR stand for?

Valence Shell Electron Pair Repulsion

Bonds

100

What is the main difference between ionic & covalent bonds?

Ionic bonds exchange electrons & covalent bonds share electrons

200

Dissolving one substance in another is an example of a physical or chemical change?

physical change

300

T/F: Polar covalent compounds can dissolve both other polar covalent compounds and non polar covalent compounds.

False: They can only dissolve other polar covalent compounds and ionic compounds

400

What is the formula for density?

density = mass/volume

500

What is the general idea behind the kinetic theory of matter?

The molecules or atoms that make up all of the matter we observe are always in motion

Potpourri

100

What is the number 1 rule in chemistry lab?

No eating or drinking during lab

200

Which travels faster, light or sound?

light

300

What is the only substance that occupies more volume in its solid phase than its liquid phase?

water

400

How many liters are in 1 gallon?

3.78 L = 1 gal

500

How many kilograms are in 1 slug?

14.59 kg = 1 slug