wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit 3: Atomic Structure & PT Test Review

Total questions: 56

Worksheet time: 2hrs 41mins

Name
Class
Date
1.

Atoms of the same element which have a different number of neutrons are called _________________.

a)

ions

b)

isotopes

c)

quarks

d)

molecules

2.

ALL atoms of the same element have:

a)

same number of proton

b)

same number of nucleon

c)

different number of neutron

d)

different number of electron

3.
What do these isotopes of carbon all have in common?
a)
neutrons & mass number
b)
atomic number and neutrons
c)
atomic number and electrons
d)
protons, atomic number, and mass number
4.
Four isotopes of lead include lead-204, lead-206, lead-207, and lead-208.  The average atomic mass of lead is 207.2.  Which isotope of lead is likely to be the most abundant.
a)
204
b)
206
c)
207
d)
208
5.
An element has two naturally occurring isotopes. One is 10.013 amu and is 19.9% abundant. The other is 11.01 amu and is 80.1% abundant. What is the average atomic mass? What element is it?
a)
9.012, Beryllium
b)
12.011, Carbon
c)
6.941, Lithium
d)
10.812, Boron
6.
4.35% of all X atoms have a mass of 39.946 amu. 83.79% have a mass of 41.941 amu, 9.50% have a mass of 42.941 amu, and 2.36% have a mass of 43.939 amu. What is the average atomic mass of atom X?
a)
41.97 amu
b)
42.19 amu
c)
10.43 amu
d)
40.04 amu
7.
Subatomic particles with a positive charge
a)
neutrons
b)
atomic mass
c)
protons
d)
isotopes
8.
A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass
a)
Electron Shells
b)
Orbitals
c)
Electron Cloud
d)
Nucleus
9.
Discovered the electron within the atom
a)
Thomson
b)
Chadwick 
c)
Schrodinger & Heisenberg
d)
Dalton
10.
Discovered the nucleus of the atom through the Gold Foil Experiment
a)
Rutherford
b)
Chadwick
c)
Thomson
d)
Dalton
11.
The following picture represents which atomic model?
a)
JJ Thomson
b)
John Dalton
c)
Ernest Rutherford
d)
Schrodinger & Heisenberg
12.
The following picture represents which atomic model?
a)
Niels Bohr
b)
Democritus
c)
Schrodinger & Heisenberg
d)
JJ Thomson
13.

Who was the Greek philosopher who called the smallest particle of matter as "atom"?

a)

Democritus

b)

Aristotle

c)

J.J Thompson

d)

Einstein

14.

Who was the first person to think of an atom?

a)

Democritus

b)

Dalton

c)

Rutherford

d)

Bohr

15.

Whose model was a small sphere with a hard shell (billiard ball)?

a)

Democritus

b)

Dalton

c)

Rutherford

d)

Bohr

16.

Who found out atoms are mostly empty space?

a)

Democritus

b)

Thomson

c)

Rutherford

d)

Einstein

17.

Who said that atoms move around the nucleus in certain paths and came up with the Solar System Model?

a)

Democritus

b)

Thomson

c)

Rutherford

d)

Bohr

18.
Who arranged the first periodic table.
a)
Mosely
b)
Einstein
c)
Mendeleev
d)
Bohr
19.
Mendeleev classified elements based on not only atomic mass but what else?                                                   
a)
reactivity
b)
boiling points
c)
physical properties only 
d)
 chemical & physical properties
20.
Each column in the periodic table is called a 
a)
period
b)
group
c)
cluster
d)
unit
21.
In the modern periodic table elements are arranged by:
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
22.
Who arranged the periodic table by increasing atomic number?
a)
Mendeleev
b)
Rutherford
c)
Bohr
d)
Mosely
23.
Which property did Mendeleev use to order his periodic table?
a)
Shielding effect
b)
Eletronegitivity
c)
Atomic Weight
d)
Metallic Character
24.

Which of these determines the identity of an atom?

a)

proton

b)

neutron

c)

valence electron

d)

protons and neutrons

25.

An ion is:

a)

An atom that has gained or lost electrons

b)

An atom that has gained or lost neutrons

c)

An atom that has gained or lost protons

d)

An atom that is neutrally charged

26.

A wave with a large wavelength will have a ______ frequency and _____ energy

a)

high, low

b)

high, high

c)

low, high

d)

low, low

27.

Which color in the visible spectrum of light has the longest wavelength?

a)

Indigo

b)

Red

c)

Blue

d)

Violet

28.

What does energy have to do with wavelength and frequency?

a)

The higher the frequency the less energy the wave has.

b)

The lower the frequency the more energy the wave has.

c)

The shorter the wavelength the more energy the wave has.

d)

The longer the wavelength the more energy the wave has.

29.
Which group of the periodic table is composed of inert (not reactive)  gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
30.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
31.
Which is an alkali metal?
a)
Magnesium
b)
Iron
c)
Sodium
d)
Europium
32.
Which is a halogen?
a)
Helium
b)
Chlorine
c)
Oxygen
d)
Neptune
33.
Elements in a ..................have similar chemical properties.  
a)
period
b)
group
c)
row
34.
Which of the following will have a larger radius than Zinc?
a)
Gallium
b)
Aluminum
c)
Magnesium
d)
Strontium
35.
As you move down a group, atomic radius increases because - 
a)
you add more and more neutrons
b)
you add more and more protons
c)
you add more and more shells (energy levels)
d)
you add more atomic mass
36.
Francium (Fr) has the lowest ionization energy in Group 1 because - 
a)
it has the smallest number of valence electrons
b)
it has the greatest atomic mass
c)
it has the greatest number of protons, so it attracts its electrons the strongest
d)
its 1 valence electron is very far from the nucleus, so little energy is needed to remove it
37.
Which of the following will have a lower ionization energy than Scandium (Sc)?
a)
Helium (He)
b)
Titanium (Ti)
c)
Calcium (Ca)
d)
Magnesium (Mg)
38.
Electronegativity is...
a)
the ability of an atom to attract/ accept electrons
b)
the ability of an atom to lose electrons
c)
the energy required to remove an electron from a specific atom
d)
how easy it is to make friends. 
39.
Which has the greater Electronegativity: 
N or C?
a)
C
b)
N
40.
As atoms of elements in group 16 are considered in order from top to bottom, the electronegativity of each successive element....
a)
decreases
b)
increases
c)
remains the same
d)
none of the above
41.
As you move across the periodic table atoms tend to get smaller because, ______________.
a)
the atoms have more mass.
b)
the atoms have less mass
c)
the atoms have more protons.
d)
the atoms have less electrons.
42.
Elements in the same column of the periodic table always have the same # of _______ as one another.
a)
Protons
b)
Neutrons
c)
Electrons
d)
Valence Electrons
43.
How many valence electrons are in an atom of Ar?
a)
2
b)
8
c)
4
d)
1
44.

Name this group: These metals are the most reactive.

a)
b)
c)
d)
45.

I am a metal


I am in group 2


I am in period 6


I am…

a)

Mo

b)

Re

c)

S

d)

Ba

46.

I am a nonmetal


I am in period 2


I am in group 16/6A

a)

Ba

b)

Si

c)

Ba

d)

O

47.

Ionization energy trends is . . . .

a)

becomes greater up and to the right of the periodic table.

b)

becomes greater down and to the right of the periodic table.

c)

becomes greater up and to the left of the periodic table.

d)

becomes greater down and to the left of the periodic table.

48.

Atomic radii trends is . . . .

a)

generally decrease along each period of the table, from the alkali metals to the noble gases; and increase down each group.

b)

generally increase along each period of the table, from the alkali metals to the noble gases; and increase down each group.

c)

generally increase along each period of the table, from the alkali metals to the noble gases; and decrease down each group.

d)

generally decrease along each period of the table, from the alkali metals to the noble gases; and decrease down each group.

49.

Electronegativity trends is . . . .

a)

increases on passing from left to right along a period, and decreases on descending a group.

b)

increases on passing from left to right along a period, and increases on descending a group.

c)

decreases on passing from left to right along a period, and decreases on descending a group.

d)

decreases on passing from left to right along a period, and increases on descending a group.

50.

Which element has bigger atomic radii?

a)

Beryllium is bigger than Fluorine

b)

Oxygen is bigger than Sulphur

c)

Litihium is bigger than Sodium

d)

Phosphorus is bigger than Bromine

51.

Which element has smaller atomic radii?

a)

Beryllium is smaller than Fluorine

b)

Sulphur is smaller than Oxygen

c)

Litihium is smaller than Sodium

d)

Potassium is smaller than Bromine

52.

Which element has higher ionization energy?

a)

Chlorine is higher than Sodium

b)

Phosphorus is higher than Nitrogen

c)

Silicon is higher than Carbon

d)

Magnesium is higher than Aluminium

53.

Which element has lower ionization energy?

a)

Chlorine is lower than Sodium

b)

Phosphorus is lower than Nitrogen

c)

Carbon is lower than Silicon

d)

Aluminium is lower than Magnesium

54.

Which element has higher electronegativity?

a)

Fluorine is higher than Oxygen

b)

Potassium is higher than Sodium

c)

Aluminium is higher than Boron

d)

Phosphorus is higher than Chlorine

55.

Which element has lower electronegativity?

a)

Fluorine is lower than Oxygen

b)

Potassium is lower than Sodium

c)

Boron is lower than Aluminium

d)

Chlorine is lower than Phosphorus

56.

The period number tells you the number of

a)

protons

b)

energy levels

c)

valence electrons

Similar Resources on Wayground

Honors Chemistry Spring Final Review

51 questions

Honors Chemistry Spring Final Review

quiz

Worksheet

•

10th - 12th Grade

Honors Equilibrium 21-22 (NO ICE TABLES)

56 questions

Honors Equilibrium 21-22 (NO ICE TABLES)

quiz

Worksheet

•

10th Grade

Đề cương Hóa 11 - 22-23

54 questions

Đề cương Hóa 11 - 22-23

quiz

Worksheet

•

11th Grade

Reg Chem Midterm Review

53 questions

Reg Chem Midterm Review

quiz

Worksheet

•

9th - 12th Grade

Thermochemistry Review Game

55 questions

Thermochemistry Review Game

quiz

Worksheet

•

9th - 12th Grade

Classify Matter

53 questions

Classify Matter

quiz

Worksheet

•

10th - 12th Grade

Chapter One

58 questions

Chapter One

quiz

Worksheet

•

10th - 12th Grade

Chem Unit 1: Safety, Measurement and Matter

54 questions

Chem Unit 1: Safety, Measurement and Matter

quiz

Worksheet

•

10th - 11th Grade