Coefficients Chemistry

How many atoms of oxygen are in the 3O₂?

• 3

• 2

• 6

• 5

What is the arrow pointing to?

• coefficient

• subscript

• banana

• a number

How many atoms of oxygen are in this compound: 2AlCO₃?

• 3

• 2

• 6

• 5

Tags

NGSS.MS-PS1-1

How many elements are here?

• 2

• 3

• 6

• 12

Tags

NGSS.MS-PS1-1

• The number of oxygen atoms

• The number of hydrogen atoms

• The number of water molecules produced

• The number of oxygen molecules required

Tags

DOK Level 2: Skill/Concept

• 1

• 2

• 3

• 4

Tags

DOK Level 2: Skill/Concept

• 1

• 2

• 3

• 4

Tags

DOK Level 2: Skill/Concept

How many total hydrogen are in 2NaOH?

• 1

• 2

• 3

• 4

Which of the following properly shows a situation where there are eight oxygen atoms?  Assume you start with H₂SO₄

• 2H₂SO₄

• H₂S2O₄

• H₂(SO₄)₂

• H₂SO₈

Tags

NGSS.MS-PS1-1

In a chemical equation, if it is not "balanced" (aka not demonstrating the law of conservation of matter), than the only thing that can be changed is the _______.

• coefficient

• subscript

Tags

NGSS.MS-PS1-5