Elements & Compounds

Is sugar (C₁₂H₂₂O₁₁) an element or a compound?

• Element
• Compound

Tags

NGSS.MS-PS1-1

Is Iron (Fe) an element or a compound?

• Element
• Compound

Tags

NGSS.MS-PS1-1

Is salt (NaCI) a compound or a element

• Compound
• element

Tags

NGSS.MS-PS1-1

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 

Water ( H₂O) is a compound because-

• it is made of two different elements

• useful to humans

• a gas at room temperature

• given off by plants

Tags

NGSS.MS-PS1-1

How many atoms of sulfur are in each molecule of H₂SO₄?

• 1

• 4

• 2

• 7

Tags

NGSS.MS-PS1-1

How many atoms of carbon are in a molecule of vinyl chloride (C₂H₃Cl)?

• 1

• 3

• 6

• 2

Tags

NGSS.MS-PS1-1

How many atoms of hydrogen are in a molecule of glucose (C₆H₁₂O₆)?

• 12

• 6

• 18

• 4

Tags

NGSS.MS-PS1-1

Which elements are in the formula shown above?

• Cobalt only

• Carbon and Oxygen

• Copper only

• Carbon and Osmium

Tags

NGSS.MS-PS1-1