Elements, Compounds, and Mixtures

Element is a

• pure substance
• compound
• mixture
• molecule

How many elements are in HHe

• 3
• 4
• 2
• 5

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

Which of the following is not a compound?

• HCl
• Cl
• NaCl
• CO2

Which of the following could be a symbol on he periodic table of elements?

• JZ
• jz
• Jz
• JZa

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