Elements/ Compounds

Is salt (NaCI) a compound or a element

• Compound
• element

which one can be found on the periodic table

• Compound 
• Element

Which of the following represents an element?

• H₂O
• H₂
• NaCl
• CaCO₃

Which of the following is not a compound?

• HCl
• Cl
• NaCl
• CO2

Tags

NGSS.MS-PS1-1

What does the C represent?

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

Tags

NGSS.MS-PS1-1

Is sugar (C₁₂H₂₂O₁₁) an element or a compound?

• Element
• Compound

Tags

NGSS.MS-PS1-1

Is water an element or a compound?

• Element
• Compound

Tags

NGSS.MS-PS1-1

A compound consists of two or more elements bound together.

• True
• False

Tags

NGSS.MS-PS1-1

Salt water boils and the water completely evaporates, salt (NaCl) is left in the bottom of the beaker. Which of the following is left in the beaker?

• Compound
• Element
• Mixture
• None of the Above

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

• Element
• Mixture
• Compound
• Solids