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Chemistry Fundamentals Quiz

Total questions: 44

Worksheet time: 29mins

Name
Class
Date
1.

What is the term used to describe the arrangement of electrons around the nucleus of an atom?

a)

Collision theory

b)

Electron configuration

c)

Atomic radius

d)

Molarity

2.

Which of the following best describes isotopes?

a)

Atoms of the same element with different numbers of neutrons

b)

Atoms of different elements with the same number of electrons

c)

Compounds with the same molecular formula but different structural formulas

d)

Elements that share the same atomic radius

3.

What is the term used for the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table?

a)

Valence electrons

b)

Atomic number

c)

Atomic mass

d)

Electronegativity

4.

Which of the following is a method used to calculate the concentration of a solution?

a)

Molarity calculations

b)

Oxidation numbers

c)

Ionic naming

d)

Electron configuration

5.

What is the name of the process used to balance the atoms on each side of a chemical equation?

a)

Atomic radius measurement

b)

Balancing chemical equations

c)

Collision theory

d)

Water displacement

6.

This is a Bohr Diagram of Aluminum. How many valence electrons does Aluminum have?

a)

3

b)

4

c)

5

7.

What are the electrons in the outermost energy level called?

a)

valence electrons

b)

octet electrons

c)

energy levels

8.

The image shows the partial electron configuration of manganese (Mn). Below there are two empty boxes. Correctly drag the final two answers in the correct order to finish its electron configuration.​

​ ​ (a)   ​ (b)  

Choose from the below words
4s²
3d⁵
1p⁶
2s³
3d⁹
2d⁹
9.
What is the shorthand electron configuration for Sulfur atom?
a)
[Ar] 3p4
b)
[He] 3s23p4
c)
[Ne] 3s23p4
d)
[Na] 3s23p3
10.
How many valence electrons does Chlorine have?
a)
5
b)
2
c)
7
d)
5
11.
What is this element? 
1s22s22p63s23p6
4s23d104p6
a)
Argon
b)
Krypton
c)
Selenium
d)
Bromide
12.

In general, how many electrons does carbon have?

a)

2

b)

4

c)

6

d)

12

13.

How many electrons does this atom have?

a)

2

b)

4

c)

6

d)

10

14.

Which of the following are isotopes?

a) 14 7X b) 14 6X c) 15 7X d) 15 8X

a)

a) and b)

b)

a) and c)

c)

c) and d)

d)

a) and d)

15.

True or False: N and Na are isotopes of the same element.

a)

True

b)

False

16.

Isotopes has the same number of (a)   but different no. of neutrons

17.
The __________ of an atom is the sum of the protons and neutrons in the nucleus of that atom.
a)
mass number
b)
atomic number 
c)
atomic weuight
d)
isotope weight
18.

The most common isotope of Silicon (Si) has...

a)

P = 14

E = 14

N = 14

b)

P = 14

E = 14

N = 28

c)

P = 28

E = 14

N = 14

d)

P = 28

E = 28

N = 14

19.

Which statement is true about the following particle:


10747Ag-

a)

It has 47 protons, 47 neutrons and 60 electrons

b)

It has 47 protons, 60 neutrons and 47 electrons

c)

It has 47 protons, 107 neutrons and 48 electrons

d)

It has 47 protons, 60 neutrons and 48 electrons.

20.

Protium, Deuterium and Tritium are isotopes of the element Hydrogen.


Why does Tritium have a greater mass number than both Protium and Deuterium?

a)

It has more protons

b)

It has more neutrons

c)

It is electrically neutral

d)

It has more electrons

21.

Which of the following elements is a halogen?

a)

Helium

b)

Carbon

c)

Fluorine

d)

Sodium

22.
What does an atom's group number help us determine?
a)
Number of protons
b)
Number of electrons
c)
Number of valence electrons
d)
Number of shells
23.

What is the atomic number of an element?

a)

The number of protons in the nucleus

b)

The number of neutrons in the nucleus

c)

The total number of protons and neutrons in the nucleus

d)

The total number of protons and electrons in an atom

24.

Which of the following is not a characteristic of metals?

a)

Good conductor of electricity

b)

High melting point

c)

Dull surface

d)

Malleable

25.

Which group in the periodic table contains the noble gases?

a)

Group 1

b)

Group 2

c)

Group 17

d)

Group 18

26.

What happens to the atomic radius of elements as you move from left to right across a period in the periodic table?

a)

It increases

b)

It decreases

c)

It remains the same

d)

It first increases, then decreases

27.
The period for Bromine is ___________.
a)
3
b)
2
c)
4
28.
How many liters would you need to get 0.5 moles if you had a 0.1M solution?
a)
0.05 liters
b)
0.2 liters
c)
5 liters
d)
2 liters
29.
What is the formula for molarity?
a)
moles/grams
b)
moles/kilograms
c)
moles/milliliters
d)
moles/liters
30.

What is the molarity of a solution made from dissolving 3.0 moles

of Saline (NaCl) in 0.25 L of solution?

a)

3.0 M NaCl

b)

0.012 M NaCl

c)

750 M NaCl

d)

12 M NaCl

31.

In a chemical equation, a ​ (a)   is a number that shows how many atoms of an element are in a particle of a compound, while a ​ (b)   is a number that tells you how many particles of that compound you have.

Choose from the below words
subscript
coefficient
multiple
molar mass
32.
How many Hydrogen atoms are on the reactant side of this chemical equation?            
2C2H2 + 5O2  -->  4CO2 + 2H2O
a)
2
b)
4
c)
6
d)
8
33.

Say how many atoms of oxygen are in each of the following.

a)

2

1.

NaNO2NaNO_2

b)

4

2.

2NaNO22NaNO_2

c)

8

3.

2Mg(NO2)22Mg\left(NO_2\right)_2

34.
Select the correct coefficients that will balance this equation:
__Zn + __HCl --> __ZnCl2 + __H2
a)
1,1,2,1
b)
1,1,1,2
c)
1,2,1,1
d)
2,1,1,1
35.
What law governs the balancing of chemical equations? 
a)
Law of Energy
b)
Law of Conservation of Matter/Mass
c)
Law of Gravity
d)
Law of Matter Movement 
36.

Which type of reaction involves the exchange of ions between two compounds?

a)

Synthesis reaction

b)

Decomposition reaction

c)

Single displacement reaction

d)

Double displacement reaction

37.

What type of reaction occurs when an acid reacts with a base to produce water and a salt?

a)

Combustion reaction

b)

Neutralization reaction

c)

Oxidation reaction

d)

Reduction reaction

38.

In which type of reaction does a single compound break down into two or more simpler substances?

a)

Synthesis reaction

b)

Decomposition reaction

c)

Combustion reaction

d)

Displacement reaction

39.

Which of the following elements is an alkali metal?

a)

Calcium

b)

Sodium

c)

Bromine

d)

Carbon

40.

What is the term used to describe the minimum energy required to start a chemical reaction?

a)

Activation energy

b)

Reaction rate

c)

Catalyst energy

d)

Bond energy

41.

Which of the following is a product of the combustion of hydrocarbons?

a)

Oxygen

b)

Water

c)

Helium

d)

Nitrogen

42.

What is the correct covalent name for the compound N2O5?

a)

Dinitrogen pentoxide

b)

Nitrogen oxide

c)

Nitrogen pentaoxide

d)

Dinitrogen oxide

43.

How do you correctly name the covalent compound PCl3?

a)

Phosphorus trichloride

b)

Phosphorus chloride

c)

Phosphorus(III) chloride

d)

Triphosphorus chloride

44.

Which of the following is the correct name for SF6?

a)

Sulfur hexafluoride

b)

Sulfur fluoride

c)

Hexafluorosulfur

d)

Sulfur(VI) fluoride

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