9/11/20: Elements & Compounds Quiz

Which of the following is not a compound?

• HCl
• Cl
• NaCl
• CO2

Tags

NGSS.MS-PS1-1

Which of the following represents an element?

• H₂O
• H₂
• NaCl
• CaCO₃

Tags

NGSS.MS-PS1-1

What is made up two or more elements that are chemically combined?

• Element
• Mixture
• Compound
• Solids

Tags

NGSS.MS-PS1-1

How many elements are represented in the compound?
Na₂CO₃

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

Fe is the symbol for which of the following elements?

• Iron

• Lead

• Sodium

• Calcium

C is the symbol for which of the following elements?

• Calcium

• Chromium

• Chlorine

• Carbon

H is the symbol for which of the following elements?

• Helium

• Hydrogen

• Hafnium

• Hassium

S₈

Element or compound?

• Element

• Compound

Tags

NGSS.MS-PS1-1

NO₂

Element or compound?

• Element

• Compound

Tags

NGSS.MS-PS1-1

How many different elements are in a compound with the formula C₅H₁₁NO₂S?

• 3 elements

• 4 elements

• 5 elements

• 6 elements