Chemistry 1
Chemistry 2
Chemistry 3
Chemistry 4
Chemistry 5
100

 _______ and _____ reside in the atomic nucleus. 

  1. Protons, electrons

  2. Electrons, neutrons

  3. Protons, neutrons

  4. Neutrons, only neutrons

3. Protons and Neutrons

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

100

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

  1. H2O

  2. CO2

  3. SrCl2

  4. SO2

5. H2S

3. SrCl2

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

100

Write the balanced formula equation. 

Sodium combines with chlorine to produce sodium chloride.

 2Na +Cl2 = 2NaCl

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

200

 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

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

200

Write the balanced formula equation. 

 Aluminum reacts with oxygen to produce aluminum oxide.

4Al + 3O2 =2Al2O3

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

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

300

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

  1. CuCl

  2. CuCl2

  3. Cu2Cl

  4. Cu2Cl3

5. Cu3Cl2

1.  CuCl

300

The formula of nitrobenzene is C6H5NO2. What is the molar mass?

  1.      107.11

  2.      43.03

  3.      109.10

  4.      123.11

  5.      3.06

4.       123.11

300

Write the balanced formula equation.

 Sodium carbonate decomposes to produce sodium oxide and carbon dioxide

Na2CO3 =Na2O+CO2

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

400

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

  1. PCl5

  2. MoCl6

  3. RbCl

  4. PbCl2

  5. NaCl

1. PCl5

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

400

How many molecules of CH4 are in 48.2 g of this compound?

  1.     5.00  x 10-24

  2.     3.00

  3.     2.90 x 1025

  4.     1.81 x 1024

  5.     4.00

4.       1.81 x 1024

400

What is the chemical symbol for Mercury?

Hg

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

500

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

  1. +1

  2. -1

  3. +2

  4. -2

  5. +3

5.     +3

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

500

What is the molar mass of C14H18N2O5? ___ g/mol

  1. 24

  2. 156

  3. 294

  4. 43

  5. 39

3.     294

500

What is the chemical symbol for Gold?

Au

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