Atomic group

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

• 1

• 4

• 2

• 7

Tags

NGSS.MS-PS1-1

Which of the following statements accurately describes the number of atoms in a molecule of ammonia (NH₃)?

• Three atoms of nitrogen and three atoms of hydrogen

• One atom of nitrogen and three atoms of hydrogen

• Three atoms of nitrogen and one atom of hydrogen

• One atom of nitrogen and one atom of hydrogen

Tags

NGSS.MS-PS1-1

In which of these compounds are there twice as many oxygen atoms as hydrogen atoms?

• H₃PO₄

• H₂SO₄

• HCIO₃

• H₂O

Tags

NGSS.MS-PS1-1

Element or compound?
H₂O

• element
• compound

Tags

NGSS.MS-PS1-1

Which of the following is a compound?

• Cu

• O₂

• CO₂

How many carbon atoms (C) are in a CO₂ molecule?

• 1
• 2
• 3
• 0

Tags

NGSS.MS-PS1-1

How many Oxygen atoms (O) are in a  molecule  of CO₂

• 1
• 2
• 3
• 0

Tags

NGSS.MS-PS1-1

The smallest building unit of matter which can share in chemical reactions is the......................

• compound

• molecule

• atom

• fluid

What is H₂SO₄ 
(Sulfuric Acid) made up of?

• 2 hydrogen, 1 sulfur, 4 oxygen
• 1 hydrogen, 2 sulfur, 4 oxygen
• 2 hydrogen & 4 sodium
• 1 hydrogen & 6 sodium

Tags

NGSS.MS-PS1-1

What is NaHCO₃ 
(Baking Soda) made up of?

• 1 sodium, 1 hydrogen,
  1 carbon, 3 oxygen
• 1 sodium, 1 hydrogen, 3 cobalt
• 1 nitrogen, 1 hydrogen, 3 cobalt
• 1 nitrogen, 1 hydrogen, 3 cobalt

Tags

NGSS.MS-PS1-1