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Basic Chem for Bio (Review)

Total questions: 36

Worksheet time: 27mins

Name
Class
Date
1.

What is a substance that cannot be broken down into similar chemical substances?

a)

Element

b)

Compound

c)

Molecule

d)

Mixture

2.

What is at the center of every atom?

a)

An electron

b)

A compound

c)

A molecule

d)

A nucleus

3.
Which two particles make up the nucleus of an atom?
a)
Protons and Electrons
b)
Protons and Neutrons
c)
Molecules and Compounds
d)
Neutrons and Electrons
4.
Which of the following determines the type of element that an atom makes?
a)
The size of the nucleus.
b)
The number of protons.
c)
How much the atom weighs.
d)
The number of neutrons.
5.

A proton is a _____ charged particle.

a)

Negatively

b)

Positively

c)

Neutrally

6.

What charge does a neutron have?

a)

positive

b)

negative

c)

no charge

7.
Changing this causes ions to form
a)
electrons
b)
protons
c)
neutrons
8.
The atomic number tells us the number of ____________?
a)
Neutrons
b)
Protons
c)
Electrons
9.
The atomic mass is the ______________ + ____________ in the atom.
a)
neutrons + electrons
b)
protons + electrons
c)
protons + neutrons
d)
electrons
10.
What is the chemical symbol for the element Carbon
a)

Ca

b)

CO2

c)
C
d)
Cd
11.
What is the chemical symbol for the element Nitrogen
a)
Ni
b)
N
c)
No
d)
Nb
12.
What is the chemical symbol for the element oxygen
a)
O
b)
Oxy
c)
ox
d)
Oy
13.
What is the chemical symbol for the element Chlorine
a)
C
b)
Cl
c)
cl
d)
Ch
14.
What is the chemical symbol for the element Iron
a)
I
b)
Ir
c)
Fe
d)
fe
15.
What is the chemical symbol for the element Calcium
a)
C
b)
Ca
c)
Cl
d)

CA

16.
What is the chemical symbol for the element Potassium
a)
K
b)
P
c)
Po
d)

Na

17.
What is the chemical symbol for the element Phosphorus
a)
p
b)
P
c)
Ph
d)

K

18.
What is the chemical symbol for the element Sodium
a)
Na
b)
So
c)
S
d)
Sd
19.
Which of the following is not a compound?
a)
HCl
b)

Fe

c)
NaCl
d)
CO2
20.

Ca is

a)

calcium

b)

carbon

c)

calcite

d)

carbonate

21.

C is

a)

carbon

b)

calcium

c)

carbonite

d)

carmolite

22.

Cl is

a)

chlorine

b)

chlorite

c)

chloroform

d)

clorine

23.

H is

a)

hydrogen

b)

hydrate

c)

hydroxyl

d)

hydregen

24.

Fe is

a)

Iron

b)

Ferrite

c)

Ferrium

d)

Phosphorus

25.

N is

a)

nitrogen

b)

nobelium

c)

sodium

d)

nitrate

26.

O is

a)

oxygen

b)

oxide

c)

oxymoron

d)

oxegen

27.

P is

a)

phosphorus

b)

potassium

c)

phosphate

d)

potash

28.

K is

a)

potassium

b)

potash

c)

karlite

d)

kalcite

29.

Na is

a)

sodium

b)

naturum

c)

nitrogen

d)

sodate

30.

What is a solvent

a)

A liquid that will dissolve a solid solute

b)

Another word for solution

c)

A thing that make drinks change colour

d)

Usually the solid about to be dissolved

31.

The ___ is the thing being dissolved.

a)

solute

b)

solvent

c)

mixture

d)

solution

32.
If I dissolve sugar in water, what is the solute?
a)
Water
b)
Hydrogen
c)
Sugar
d)
Carbon
33.

For glucose (C6H12O6), which of these is NOT true?

a)

There are 24 atoms in one molecule of glucose.

b)

There are 4 different elements in a molecule of glucose.

c)

There are 12 hydrogen atoms in one molecule of glucose.

d)

There are 6 atoms of carbon in one molecule of glucose.

34.

If an atom has 9 protons, 10 electrons, and 8 neutrons, what is its charge?

a)

0

b)

+1

c)

-1

d)

-2

35.

If an atom has 9 protons, 10 electrons, and 8 neutrons, what is its mass?

a)

19 amu

b)

9 amu

c)

8 amu

d)

17 amu

36.

If an atom has 9 protons, 10 electrons, and 8 neutrons, what ELEMENT is it? (hint, periodic table!)

a)

Nitrogen

b)

Fluorine

c)

Oxygen

d)

Neon

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