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WorksheetsExamining the Structure of Matter
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What is shown on the periodic table?
a)
Elements
b)
Compounds
c)
Atoms
d)
Molecules
2.
Which of the following element is a metal?
a)
Hydrogen
b)
Nitrogen
c)
Iron
d)
Chlorine
3.
Which of the following elements is a non-metal?
a)
Hydrogen
b)
Tin
c)
Gold
d)
Iron
4.
Which of the following is NOT a noble gas?
a)
Neon
b)
Oxygen
c)
Radon
d)
Helium
5.
What are the two most abundant elements in the universe?
a)
Oxygen & Carbon
b)
Carbon & Hydrogen
c)
Hydrogen & Helium
d)
Nitrogen & Oxygen
6.
Which element is liquid at room temperature?
a)
Mercury
b)
Silicon
c)
Sodium
d)
Neon
7.
Which of the following are good conductors of heat and electricity?
a)
Noble gases
b)
Metals
c)
Non-metals
d)
Compounds
8.
Which of the following is NOT a subatomic particle?
a)
Electron
b)
Molecule
c)
Neutron
d)
Proton
9.
Which two particles are found in the nucleus of an atom?
a)
Proton & Electrons
b)
Protons & Neutrons
c)
Electrons & Neutrons
d)
Protons & Compounds
10.
What subatomic particle has a negative charge?
a)
Proton
b)
Neutron
c)
Electron
d)
Nucleus
11.
What is the most common compound on Earth?
a)
Water
b)
Table Salt
c)
Glucose
d)
Carbon Dioxide
12.
Which of the following elements are found in all organic compounds?
a)
Oxygen & Sodium
b)
Helium & Radon
c)
Calcium & Potassium
d)
Carbon & Hydrogen
13.
What does the subscript 2 represent in the chemical formula H₂0?
a)
2 atoms of Oxygen
b)
2 atoms of Hydrogen
c)
2 atoms of water
d)
2 electrons in Hydrogen atom
14.
During which type of bonding do atoms share electrons?
a)
Metallic
b)
Ionic
c)
Covalent
d)
None of these
15.
Which of the following describes an ion?
a)
An atom with the same number of protons and neutrons
b)
An atom with the same number of protons and electrons
c)
An atoms with different numbers of protons and electrons
d)
An atom with different numbers of protons and neutrons
16.
How many neutrons does Hydrogen have?
a)
0
b)
1
c)
2
17.
Match the chemical formula of the molecule to the name of the element.
H₂O₂
H₂O₂
a)
Water
b)
Hydrogen
c)
Oxygen
d)
Hydrogen Peroxide
18.
Match the chemical formula of the molecule to the name of the element.
CO₂
CO₂
a)
Carbon
b)
Oxygen
c)
Carbon Dioxide
d)
Carbon Monoxide
19.
Why is calcium chloride (CaCl₂) an inorganic compound?
a)
Because it does not contain hydrogen atoms
b)
Because it does not contain oxygen atoms
c)
Because it does not contain Hydrogen and Carbon atoms
d)
Because it does not contain Hydrogen and Oxygen atoms
20.
Why is a molecule of oxygen (O₂) a molecule of an element and no a molecule of a compound?
a)
Because it contains two atoms of the same element
b)
Because it contains oxygen
c)
Because it contains molecules
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