wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Final Review

Total questions: 49

Worksheet time: 49mins

Name
Class
Date
1.

Why do all bonds form?

¿Por qué se forman todos los enlaces?

a)

to fill the outermost energy level

para llenar el nivel de energía más externo

b)

so an atom can be unstable

por lo que un átomo puede ser inestable

c)

so the number of protons and electrons can be equal

por lo que el número de protones y electrones puede ser igual

d)

so they can gain neutrons

para que puedan ganar neutrones

2.

According to the octet rule, most elements need _______ valence electrons.

Según la regla del octeto, la mayoría de los elementos necesitan _______ electrones de valencia.

a)

2

b)

8

c)

6

d)

18

3.

In a(n) ________ electrons are transferred from one atom to another

En un (n) ________ los electrones se transfieren de un átomo a otro

a)

ionic compound

b)

covalent compound

4.

An atom that has lost or gained electrons, aka an atom with a charge, is known as...

a)

a cation

b)

an anion

c)

an isotope

d)

an ion

5.
The chemical formula of sodium sulfate is
a)
S₂SO₄
b)
NaSO₂
c)
NaSO₄
d)
Na₂SO₄
6.
Which is most likely to form a negative ion?
a)

a metal

b)

an element from group 17

c)

an element from group 1

d)

an element with atoms that have eight valence electrons

7.

What is the name of Mg3N2

a)

magnesium (III) nitride

b)

magnesium nitrate

c)

magnesium (II) nitrogen

d)

magnesium nitride

8.

K +  and  N-3 form which of the following neutral compounds?

a)

KN

b)

KN3

c)

K3N

d)

K3N3

9.

What is the charge that results when oxygen becomes an ion?

a)

-3

b)

-2

c)

+2

d)

+3

10.
When naming ionic compounds, the cation is always named first and the anion is always named second.
a)
False
b)
True
11.
The chemical formula for an ionic compound of potassium and oxygen is
a)

KO

b)

K2O2

c)

K2O

d)

KO2

12.

A negatively-charged ion in known as...

a)

an atom

b)

a cation

c)

an anion

d)

an electron

13.
What is the charge of an atom that has lost one electron?
a)

+1

b)

+2

c)

-1

d)

-2

14.

Al3+ and O2- form which of the following neutral compounds? 

a)

AlO

b)

Al2O3

c)

Al3O6

d)

Al3O2

15.
What charge does a calcium (Ca) ion have?
a)

+4

b)

+3

c)

+2

d)

+1

16.
The polyatomic ion:  SO42- has the name
a)

Phosphate

b)

Sulfate

c)

Sulfite

d)

Sulfur tetra oxide

17.

Atoms are most stable when their outer shell is full or complete.

Los átomos son más estables cuando su capa exterior está llena o completa.

a)

true

b)

false

18.
A phosphorus atom needs to gain ___ electrons to achieve a full octet.
a)

3

b)

4

c)

6

d)

5

19.
If an element has 3 valence electrons, what charge will likely form on its ion ?
a)
+3
b)
+5
c)
-3
d)
-5
20.

Al3+ and l- form which of the following neutral compounds?

a)

Al l3

b)

Al3l

c)

Al l

d)

Al3 l3

21.

Na +  and  S -2 form which of the following neutral compounds?

a)

Na2S

b)

NaS2

c)

Na2S2

d)

NaS

22.
How many valence electrons does a bromine atom have?
a)
1
b)
2
c)
6
d)
7
23.
What formula results when Ca+2  and  Br- ions bond?
a)

Ca2Br2

b)

CaBr

c)

Ca(br)2

d)

CaBr2

24.

Which of the following pairs of ions can form an ionic compound?

a)

bromide and phosphate

b)

lithium and carbonate

c)

lithium and ammonium

d)

fluoride and phosphate

25.

What is the formula for calcium arsenide?

a)

Ca3As2

b)

CaAs2

c)

Ca3As

d)

Ca3Ar2

26.

In a covalent bond, one or more electrons are...

a)

shared 

b)

lost 

c)

gained 

d)

transferred 

27.

What is the formula for beryllium iodide?

a)

Be2I

b)

BeI

c)

BeI2

d)

BI2

28.
The name of Ca₃(PO₄)₂ is
a)

calcium phosphide oxide

b)

calcium phosphate

c)

tricalcium diphosphate

d)

carbon phosphate

29.
Which of the following will form an ion with a 2- charge?
a)
Ca
b)
Se
c)
Ge
d)
N
30.

What is the formula for magnesium carbonate?

a)

MgCO3

b)

Mg(CO3)2

c)

Mg2CO6

d)

Mg2CO3

31.
Fe+3 combines with S-2 to form 
a)

Fe+4(S)=3

b)

Fe2S4

c)

Fe2S3

d)

Fe3S2

32.

Which of the following elements will want to GAIN a single electron?

a)

lithium

b)

fluorine

33.

What formula results when Fe+3 and CO3-2 ions bond?

a)

FeCO3

b)

Fe2CO3

c)

Fe2(CO3)3

d)

Fe3(CO3)2

34.
Cations are
a)

positive

b)

negative

c)

on the right side of the periodic table.

d)

nonmetals

35.

Which of the following elements will want to LOSE a single electron?

a)

bromine

b)

rubidium

36.

Group numbers on the periodic table help us determine / Los números de grupo en la tabla periódica nos ayudan a determinar

a)

number of valence electrons

b)

state of the element (solid, liquid, gas)

37.
What are the electrons in the highest energy level of an atom called?
a)

orbital electrons

b)

cations

c)

anions

d)

valence electrons

38.

How many valence electrons does Boron have?

a)

1

b)

2

c)

3

d)

4

39.

What is a valence electron?

(TWO CORRECT ANSWERS)

a)

an electron that is available for bonding

un electrón que está disponible para el enlace

b)

an electron found in the innermost shell of an atom

un electrón que se encuentra en la capa más interna de un átomo

c)

an electron found in the middle shell

un electrón que se encuentra en la capa intermedia

d)

an electron found in the outermost shell

un electrón que se encuentra en la capa más externa

40.

Which of these elements does not bond to form compounds?

¿Cuál de estos elementos no se une para formar compuestos?

a)

helium

b)

chlorine

c)

oxygen

41.

Which class of elements usually form negative ions?

¿Qué clase de elementos suelen formar iones negativos?

a)

metals

b)

nonmetals

c)

metalloids

d)

noble gases

42.

What does the subscript "2" in a chlorine molecule mean?

¿Qué significa el subíndice "2" en una molécula de cloro?

a)

Chlorine has a charge of 2.

El cloro tiene una carga de 2.

b)

There are two chlorine atoms bonded covalently.

Hay dos átomos de cloro unidos covalentemente.

c)

There are two shared valence electrons.

Hay dos electrones de valencia compartidos.

d)

There is one shared valence electron.

Hay un electrón de valencia compartido.

43.

What molecule is this?

a)

CO

b)

CO2

c)

C2O

d)

C2O2

44.
What two types of atoms make a covalent bond?
a)

Two nonmetals

b)

One nonmetal and one metal

c)

Two noble gases

45.
What is a diatomic element?
a)
a metal bonded with a nonmetal
b)
2 or more nonmetals bonded together
c)
2 or more metals bonded together
d)
2 atoms of the same element bonded together
46.
Who could this molecule be?
a)
CH4
b)
CO2
c)
PCl5
d)
BF3
47.
Which of the following is NOT an ionic compound:
a)

SiO2

b)

NaOH

c)

BaCl2

d)

CaO

48.

Name the ionic compound: NaF

a)

sodium fluorine

b)

nitrogen fluorine

c)

nitrogen fluoride

d)

sodium fluoride

49.

The formula for magnesium hydroxide is:

a)

MgOH2

b)

Mg2OH

c)

Mg(OH)2

d)

Mg2OH2

Similar Resources on Wayground

Mega Unit 5

50 questions

Mega Unit 5

quiz

Worksheet

•

8th - 10th Grade

Nomenclature & Chemical Reactions

46 questions

Nomenclature & Chemical Reactions

quiz

Worksheet

•

9th - 10th Grade

Unit 3 Review

44 questions

Unit 3 Review

quiz

Worksheet

•

10th - 12th Grade

Honors Atomic Structure Test

45 questions

Honors Atomic Structure Test

quiz

Worksheet

•

10th - 11th Grade

EOC Review 2016-2017

50 questions

EOC Review 2016-2017

quiz

Worksheet

•

9th - 12th Grade

C3 Atoms and Bonding

50 questions

C3 Atoms and Bonding

quiz

Worksheet

•

6th - 12th Grade