Chemical Reactions Review 2024

Front

The law of conservation of mass states that

Back

The mass of a system (reaction) stays the same from beginning to end

Tags

NGSS.MS-PS1-5

Front

Which are the reactants in the equation shown? Options: H₂O and CO₂, O₂ and CH₄

Back

O₂ and CH₄

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

Which is the product in the reaction shown?

Options: Al₂O₃, Al, O₂

Back

Al₂O₃

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

How many Sodium (Na) are in 6NaCl?

Back

6

Front

How many Oxygen (O) atoms are in one molecule of C₂HO₈C_l2?

Back

8

Tags

NGSS.MS-PS1-1

Front

Smallest particle of an element

Back

Atom

Front

How many atoms are there TOTAL in:
H₂SO₄

Back

7

Tags

NGSS.MS-PS1-1

Front

Correct formula for: three hydrogen (H), one sulfur (S), four oxygen (O)

Back

H₃SO₄

Tags

NGSS.MS-PS1-1

Front

How many atoms of Hydrogen are in this compound?

Back

2

Tags

NGSS.MS-PS1-1

Front

How many elements are in this compound? H₂C₃O₄N₅

Back

4

Tags

NGSS.MS-PS1-1