Number of Atoms in Reactant Product

According to the law of conservation of mass, matter cannot be created or ________

Tags

NGSS.MS-PS1-5

True or False: In a complete chemical equation, there must be the same number of atoms of each element on the reactants and products side.

• True

• False

Tags

NGSS.MS-PS1-5

In a chemical reaction, atoms ________ and form new bonds.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Look at the chemical equation.

How many atoms of mercury (Hg) are in the reactants?

Tags

NGSS.MS-PS1-5

Look at the chemical equation.

How many atoms of oxygen (O) are in the reactants?

Tags

NGSS.MS-PS1-1

Look at the chemical equation.

How many atoms of mercury (Hg) are in the products?

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Look at the chemical equation.

How many atoms of oxygen (O) are in the products?

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Look at the chemical equation.

Is it written correctly to show the Law of Conservation of Mass?

• Yes

• No

Tags

NGSS.MS-PS1-5

Look at the chemical equation.

How many atoms of nitrogen (N) are in the reactants?

Tags

NGSS.MS-PS1-5

Look at the chemical equation.

How many atoms of oxygen (O) are in the reactants?

Tags

NGSS.MS-PS1-1