Chemistry Review

Atomic Structure

100

 _______ and _____ reside in the atomic nucleus. 

                        1. Protons, electrons

                        2. Electrons, neutrons

                        3. Protons, neutrons

                        4.  Neutrons, only neutrons

3. Protons and Neutrons

200

 All atoms of a given element have the same _____.

                       1.  Mass

                       2.  Number of protons

                        3. Number of neutrons

                     4.  Number of electrons and neutrons

                        5. Density

2. Number of protons

300

 Isotopes are atoms that have the same number of _______ but different number of ______.

1. Protons, electrons

2. Neutrons, protons

3. Protons, neutrons

4. Electrons, protons

5. Neutrons, electrons

3. Protons, neutrons

400

Which has the smallest number of neutrons?

1. Carbon-14

2. Nitrogen-14

3. Oxygen-16

4. Fluorine-19

5. Neon-20

2. Nitrogen-14

500

An atom of the most common isotope of gold, 197 Au, has ____ protons, ____ neutrons, and _____ electrons.

1. 197, 79, 118

2. 118, 79, 39

3. 79, 197, 197

4. 79, 118, 118

5. 79, 118,79

5.         79, 118,79

Ions

100

 In the periodic table, the rows are called _____ and the columns are called ______.

1. Octaves, groups

2. Staffs, families

3. Periods, groups

4. Rows, families

5. Rows, groups

3.   Periods, groups

200

Which of the following compounds would you expect to be ionic?

1. H₂O

2. CO₂

3. SrCl₂

4. SO₂

5. H₂S

3. SrCl₂

300

Which group of elements is most likely to form ions by losing one electron?

1. 1

2. 2

3. 3

4. 17

5. 18

1. 1

400

Of the choices below, which one is not an ionic compound?

1. PCl₅

2. MoCl₆

3. RbCl

4. PbCl₂

5. NaCl

1. PCl₅

500

The charge on the manganese in the salt MnF₃ is ___.

1. +1

2. -1

3. +2

4. -2

5. +3

5.     +3

What's my name?

100

 The correct name for SrO is _____.

1. Strontium oxide

2. Strontium hydroxide

3. Strontium peroxide

4. Strontium monoxide

5. Strontium dioxide

1. Strontium oxide

200

Which formula/ name pair is incorrect?

1. Mn(NO₂)₂     manganese (II) nitrite

2. Mg(NO₃)₂     magnesium nitrate

3. Mn(NO₃)₂     manganese (II) nitrate

4. Mg₃N₂        magnesium nitrite

   5. Mg(MnO₄)₂    magnesium permanganate

4. Mg₃N₂        magnesium nitrite

300

Which one of the following compounds is copper(I) chloride? 

1. CuCl

2. CuCl₂

3. Cu₂Cl

4. Cu₂Cl₃

5. Cu₃Cl₂

1.  CuCl

400

The correct name for CCl₄ is ____.

1. Carbon chloride

2. Monocarbon tetrachloride

3. Carbon perchlorate

4. Carbon tetrachloride

5. Carbon chlorate

4. Carbon tetrachloride

500

Which formula/name pair is incorrect?

1. FeSO₄        iron(II) sulfate

2. Fe₂(SO₃)₃    iron(III) sulfite

3. FeS        iron(II) sulfide

4. FeSO₃        iron(II) sulfite

    5. Fe₂(SO₄)₃    iron(III) sulfide

5. Fe₂(SO₄)₃    iron(III) sulfide

I'm Balanced

100

When the following equation is balanced, the coefficients are ___.

Al(NO₃)₃ + Na₂S → Al₂S₃ + NaNO₃

1. 2, 3, 1, 6

2. 2, 1, 3, 2

3. 1, 1, 1, 1

4. 4, 6, 3, 2

5. 2, 3, 2, 3

1.          2, 3, 1, 6

200

When the following equation is balanced, the coefficient of Al is ___.

Al + H₂O → Al(OH)₃ + H₂

1. 1

2. 2

3. 3

4. 5

5. 4

2.      2

300

Write the balanced formula equation. 

Sodium combines with chlorine to produce sodium chloride.

 2Na +Cl₂ → 2NaCl

400

Write the balanced formula equation.

 Sodium carbonate decomposes to produce sodium oxide and carbon dioxide

Na₂CO₃ →Na₂O+CO₂

500

Write the balanced formula equation. 

 Aluminum reacts with oxygen to produce aluminum oxide.

4Al + 3O₂ → 2Al₂O₃

Hodge Podge

100

How many valence electrons are in an atom of phosphorus?

5 valence electrons

200

What is the electron configuration of potassium?

1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹

300

Which state of matter has a definite volume and takes the shape of it's container?

liquid

400

What is the density of an object having a mass of 8.0 g and a volume of 25 cm³?

.32 g/cm³

500

What types of atomic orbitals are in the third principal energy level? (Hint: s, p, d, f)

s & p only