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Chemical Names and Formulas Test

Total questions: 50

Worksheet time: 57mins

Name
Class
Date
1.
Ionic compounds are written with
a)
cation (+ ion) first then anion (- ion)
b)
anion (- ion) first then cation (+ ion)
c)
either way is fine
d)
polyatomic ions first
2.
Ca+2P-3
a)
PCa
b)
P2Ca3
c)
CaP
d)
Ca3P2
3.
K+, O-2
a)
KO
b)
K2O
c)
K-2O2
d)
O2K
4.
The correct chemical formula for magnesium phosphide is
a)
MgP
b)
Mg₂P₃
c)
Mg₃P₂
d)
Mg₃(PO₄)₂
5.
The name of FeCl₂ is
a)
iron chloride
b)
iron (II) chloride
c)
iron (I) chloride
d)
iron dichloride
6.
What is the correct name for HBr?
a)
Bromic acid
b)
Hydrobromic acid
c)
Hydrogen bromate
d)
Hypobromic acid
7.
What do atoms of metals tend to do with their valence electrons when bonding with non-metals?
a)
share them
b)
donate them
c)
keep them and accept others
d)
keep them and give others
8.
What is the correct name for MgI₂?
a)
Manganese IV iodide
b)
Manganese diiodide
c)
Magnesium iodide
d)
Magnesium diiodide
9.
What is the correct formula for dinitrogen tetroxide?
a)
N₃O₃
b)
(N₂)₂(O₄)₃
c)
N₂O₄
d)
N₄O₂
10.
What type of compound is made up of a metal and a nonmetal?
a)
Ionic
b)
Covalent
c)
Polyatomic
11.

Phosphorous trichloride

a)

PCl3

b)

P3Cl

c)

P3Cl3

d)

Cl3P

12.
Which of these is covalent?
a)
NaCl
b)
Pb(NO3)2
c)
CO2
d)
AlCl3
13.
What type of compound is made up of two nonmetals?
a)
Ionic
b)
Covalent
c)
Polyatomic
14.
What type of compound contains 3 or more elements?
a)
Ionic
b)
Covalent
c)
Polyatomic
15.
Ionic Compounds are made up of ions from ________ and _______.
a)
metals, metals
b)
nonmetals, nonmetals
c)
metals, nonmetals
d)
oxygen, carbon
16.
Negative ions are called ______.
a)
cations
b)
anions
c)
atoms
d)
molecules
17.
Roman numerals tell you the ____ of the metal cation(s) in an ionic compound.
a)
number
b)
mass
c)
type
d)
charge
18.
Name the prefix associate with:
7
a)
septa
b)
hexa
c)
octa
d)
hepta
19.
What makes a compound IONIC?
a)
The compound has a positive ion  and  a negative ion.
b)
The compound has 2 metals.
c)
The compound has 2 or more non metals.
d)
made up of two non-metals
20.
What do the charges in an ionic compound have to add up to?
a)
2
b)
1
c)
0
d)
-1
21.
What type of bond forms between two or more atoms that are charged (+/-)?
a)
Covalent bond
b)
Incomplete bond
c)
Ionic bond
d)
Metallic bond
22.
What type of bond forms when 2 or more electrons are SHARED?
a)
Covalent bond
b)
Incomplete bond
c)
Ionic bond
d)
Metallic bond
23.
What charge does a calcium (Ca) ion have?
a)
+1
b)
+2
c)
+3
d)
+4
24.

Which is a property of an ionic compound?

a)

High melting and boiling point

b)

Good electric conductor

c)

Poor insulator

d)

Malleable

25.

What properties does a covalent bond have?

a)

High melting point and dissolves

b)

High melting point and doesn't dissolve

c)

Low melting point and dissolves

d)

Low melting point and doesn't dissolve

26.
What usually forms the positive ion?
a)
Metal
b)
Non Metals
c)
None
27.

Which bond is not a conductor at any state?

a)

ionic

b)

covalent

c)

metallic

28.

How many atoms of sulfur are in each molecule of H2SO4?

a)

1

b)

4

c)

2

d)

7

29.

Alanine is an amino acid with formula C3H7NO2. How many atoms in all are in each molecule of alanine?

a)

3

b)

7

c)

12

d)

13

30.

Which of the following molecules has the formula CH2O?

a)
b)
c)
d)
31.

How many different elements are in an amino acid with the formula C5H11NO2S?

a)

5

b)

20

c)

18

d)

4

32.
Covalent compounds
a)
Share electrons
b)
transfer electrons
c)
contain a sea of electrons
d)
conduct electricity
33.
The covalent compound N2O5 would be named
a)
nitrogen oxide.
b)
dinitrogen oxide.
c)
nitrogen pentoxide.
d)
dinitrogen pentoxide.
34.

The positive particles of an atom are

a)

electrons

b)

positrons

c)

neutrons

d)

protons

35.

The central region of an atom where its neutrons and protons are is its

a)

nucleus

b)

electron cloud

c)

core

d)

center

36.

Particles in an atom that are neutral and have no charge are

a)

negatrons

b)

electrons

c)

neutrons

d)

protons

37.

In the modern periodic table, elements are arranged by:

a)

atomic mass

b)

atomic number

c)

valence electrons

d)

number of isotopes

38.

The central region of an atom where its neutrons and protons are is its

a)

nucleus

b)

electron cloud

c)

core

d)

center

39.

An atom with atomic number 6 would have how many protons

a)

6

b)

12

c)

3

d)

cannot be determined

40.
What are the 3 particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
41.

Why is the overall charge of an atom neutral (0)?

a)

They have the same number of protons and neutrons.

b)

They have the same number of protons and electrons.

c)

They have the same number of electrons and neutrons.

42.

What charge does an atom have when it GAINS electrons?

a)

Positive

b)

Negative

c)

Neutral

43.

Why are ions formed?

a)

To make our lives difficult

b)

Because atoms want to be stable

c)

Because atoms have the same number of protons and electrons

d)

Because atoms gained neutrons

44.

A negatively charged ion that has gained electrons to satisfy the octet rule

a)

Anion

b)

Cation

c)

Neutral Atom

d)

Isotope

45.

Atoms of the same element that have different mass than expected because they have a different number of neutrons.

a)

Neutral Atom

b)

Ion

c)

Isotope

d)

Cation

46.
Ions are: 
a)
atoms with a positive or negative charge
b)
atoms with no charge
c)
atoms with ONLY a positive charge
d)
atoms with ONLY a negative charge
47.

Valence electrons are:

a)

Electrons in the highest occupied energy level

b)

Electrons closest to the nucleus

c)

Electrons that just come and go - they don't stay with the atom

48.

What does the atomic number identify?

a)

The number of neutrons.

b)

The number of protons.

c)

The number of protons + neutrons.

d)

The number of electrons.

49.

Which subatomic particles would repel away from each other?

a)

protons and neutrons

b)

protons and electrons

c)

electrons and electrons

d)

electrons and neutrons

50.

Why are atoms electrically neutral?

a)

The neutrons balance out any charge.

b)

There are more neutrons than protons or electrons.

c)

Protons and electrons cancel each other out because they have opposite charges.

d)

Neutrons have no charge which makes the who atom neutral.

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