wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

2.1 Nature of Matter - chemistry intro

Total questions: 21

Worksheet time: 11mins

Name
Class
Date
1.

the basic unit of matter

a)

atom

b)

proton

c)

molecule

d)

cell

2.

where protons & neutrons are located in an atom

a)

electron

b)

nucleus

c)

membrane

d)

energy levels

3.

negatively charged subatomic particle; located in the space surrounding the nucleus

a)

cell

b)

neutron

c)

electron

d)

proton

4.

a pure substance consisting of only one type of atom

a)

mixture

b)

compound

c)

proton

d)

element

5.

one of various forms of an element; these atoms contain the same number of protons but a different number of neutrons

a)

element

b)

isotope

c)

ion

d)

atom

6.

pure substance formed by the chemical combination of two or more elements in definite proportions

a)

compound

b)

mixture

c)

isotope

d)

ion

7.

chemical bonds formed when one or more electrons are transferred from one atom to another

a)

ionic bond

b)

covalent bond

c)

metallic bond

d)

transferal bond

8.

atom that has a positive or negative charge

a)

isotope

b)

element

c)

ion

d)

compound

9.

type of bond formed between atoms in which the electrons are shared

a)

ionic bond

b)

hydrogen bond

c)

covalent bond

d)

van der Waals forces

10.

the smallest unit of a compound that displays all the properties of that compound

a)

atom

b)

element

c)

compound

d)

molecule

11.

slight attraction that develops between oppositely charged regions of nearby molecules

a)

van der Waals forces

b)

ionic bonding

c)

covalent bonding

d)

molecular bonding

12.

Carbon-12 has 6 protons and 6 neutrons. Which of the following is true for Carbon-14?

a)

6 protons
7 protons

b)

6 protons
8 neutrons

c)

8 protons
6 neutrons

d)

6 protons
8 electrons

13.

Which of the following is NOT TRUE about isotopes?

a)

they are 2 atoms of the same element

b)

they have different masses but the same chemical properties

c)

they have their own location (square) on the periodic table

d)

the number of neutrons is different in different isotopes

14.

Which of these forces holding atoms together is the WEAKEST

a)

covalent bonds

b)

ionic bonds

c)

molecular bonds

d)

Van der Waals forces

15.

Which of the following terms does not belong

a)

proton

b)

neutron

c)

nucleus

d)

electron

16.

Which of the following subatomic particles has a positive charge

a)
Proton
b)
Neutron
c)
Electron
d)
Photon
17.

Which subatomic particle has no charge (is neutral)

a)
Proton
b)
Electron
c)
Neutron
d)
Positron
18.

What is the name of the particles that are found in the outermost energy level of an atom?

a)
Protons
b)

Nutrinos

c)

Valence electrons

d)

Paired Electrons

19.

What type of bond is formed when a pair of electrons is shared between two atoms?

a)
Ionic bond
b)
Covalent bond
c)
Metallic bond
d)
Hydrogen bond
20.

The properties of compounds are a blending of the properties of the original elements that make it up.

a)

True

b)

False

21.

Two or more atoms chemically bonded together are called:

a)

atoms

b)

molecule

c)

formula

d)

mixture