Counting atoms and elements

How many atoms of Hydrogen are in H₂O

• 1

• 2

• 3

• more than 3

Tags

NGSS.MS-PS1-1

Coefficients tell the number of __________ in a formula.

• Molecules

• Atoms

• Elements

• Oxygen

A subscript is the small number below the element symbol that tells the number of _______ of that element.

• atoms

• valence electrons

• protons

• elements

Tags

NGSS.MS-PS1-1

How many atoms are present if there is no subscript following the element symbol?

• 0

• 2

• only 1

• 1 million

Tags

NGSS.MS-PS1-1

How many elements are in C₆H₁₂O₆?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

What is the total number of atoms in the chemical formula SO₃ ?

• 1

• 4

• 3

• 2

Tags

NGSS.MS-PS1-1

How many atoms of Sodium (Na) are present in this compound?

NaCl

• 1

• 2

• 3

• 11

Tags

NGSS.MS-PS1-1

How many Oxygen are in H₂O?

• 1
• 2
• 0
• 4

Tags

NGSS.MS-PS1-1

• Silver

• Gold

• Nitrogen

• Oxygen

Tags

NGSS.MS-PS1-1

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1