Elements and Compounds

Each element has a chemical _________ that is made up of one or two letters.

• name

• number

• symbol

• mineral

The periodic table is a listing of all the ____________.

• chemical formulas

• compounds

• periods

• elements

Tags

NGSS.MS-PS1-1

The chemical formula for artificial sweetener is

 $C_7H_5NO_3S$  How many different elements are in the artificial sweetener?

• 17

• 5

• 15

• 4

Tags

NGSS.MS-PS1-1

Which of the following is a compound?

• He

• CO

• Si

• Co

Tags

NGSS.MS-PS1-1

Element or Compound?
Au

• Element
• Compound

What does the C represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

How many elements are in the compound Fe₂O₃?

• 0

• 1

• 2

• 3

Tags

NGSS.MS-PS1-1

Provided is a list of five different substances. How many of these substances are elements?

• 2
• 3
• 4
• 5

How many different elements are in this chemical formula: C₂H₂ClK₃

• 6
• 8
• 2
• 4

Tags

NGSS.MS-PS1-1

Which of the following lists contains only elements?

• Au, Br, O, NaCl

• He, H, Cl, H₂O

• Al, Cl, He, Br

• BrO, CHO, O

Tags

NGSS.MS-PS1-1