Matter Quiz

CH₄ is an example of a(n)

• Compound

• Element

• Atom

• Subscript

Tags

NGSS.MS-PS1-1

How many types of elements are present in the following chemical formula? 3H₂(SO)₄

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

Which of the following statements about molecules is true?

• All molecules contain two or more different atoms.

• Molecules contain two or more atoms chemically bonded together.

• Molecules are a type of compound.

• Chemical formulas do not give information about the structure or composition of a molecule.

Tags

NGSS.MS-PS1-1

What is the difference between atoms and molecules?

Answer explanation

The difference between atoms and molecules

are that atoms are a single unit consisting of

at least 1 proton, 1 neutron, and 1 electron.

When you chemically combine atoms together

you will form a molecule. Molecules share

electrons and are chemically bonded together.

Tags

NGSS.MS-PS1-1

How does the instructor

compare atoms and

molecules to Lego

bricks?

Answer explanation

The instructor uses Lego bricks to differentiate

between atoms and molecules. Each

individual Lego piece represents an individual

atom, but when the Lego pieces are combined

together they form a molecule.

Tags

NGSS.MS-PS1-1

Describe what a molecule

of water looks like. How

many atoms are there?

Are the atoms combined

together? How?

Answer explanation

A molecule of water consists of 1 Oxygen

atom and 2 Hydrogen atoms. They are all

chemically combined and share electrons. The

are combined by a covalent bond. The

molecule kind of looks like Mickey Mouse.

Tags

NGSS.MS-PS1-1

Which of the following is not a compound?

• HCl

• Cl₂

• NaCl

• CO₂

Tags

NGSS.MS-PS1-1

Name this compound: H₂O

• Water
• Carbon dioxide
• Hydrogen peroxide 
• Sulfuric acid

Tags

NGSS.MS-PS1-1

How many atoms are there TOTAL in:
H₂SO₄

• 6
• 5
• 7
• 3

Tags

NGSS.MS-PS1-1

(Element or Compound)
       C₂H₈O 

• Element
• Letters
• Numbers
• Compound

Tags

NGSS.MS-PS1-1