Counting atoms and balancing equations

Front

What is the total number of atoms in the compound 3Li₃O?

Back

12

Tags

NGSS.MS-PS1-1

Front

What are the coefficients that would properly balance the equation: __AgNO₃ + __H₂S → __Ag₂S + __HNO₃?

Back

2,1 → 1,2

Tags

NGSS.MS-PS1-5

Front

What do the subscripts in a chemical formula represent?

Back

How many of that specific element is included in the equation.

Front

How many atoms are in the compound 3F₂(CO₃)₂?

Back

30

Tags

NGSS.MS-PS1-1

Front

How many atoms are in the compound NaOH?

Back

3

Tags

NGSS.MS-PS1-1

Front

What is a coefficient in a chemical equation?

Back

A number placed in front of a chemical formula to indicate how many molecules or moles of that substance are involved.

Front

What does balancing a chemical equation ensure?

Back

That the number of atoms for each element is the same on both sides of the equation.

Tags

NGSS.MS-PS1-5

Front

What is the purpose of subscripts in a chemical formula?

Back

To indicate the number of atoms of each element in a molecule.

Front

How do you calculate the total number of atoms in a compound?

Back

Multiply the number of atoms of each element by its subscript and sum them up.

Tags

NGSS.MS-PS1-1

Front

What is the balanced equation for the reaction of silver nitrate and hydrogen sulfide?

Back

2AgNO₃ + H₂S → Ag₂S + 2HNO₃

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5