Counting Atoms Flashcard 2024

Front

How many Nitrogen atoms are in H₂C₃O₄N₅?

Back

5

Tags

NGSS.MS-PS1-1

Front

How many elements are present in the compound Mg₂As₃COHNi₂?

Back

6

Tags

NGSS.MS-PS1-1

Front

How many Sodium's (Na) are in the formula 2(NaS₂)₃CO₃?

Back

6

Tags

NGSS.MS-PS1-1

Front

The blue numbers in a chemical formula represent ________

Back

subscripts

Front

How many Chlorine atoms (Cl) are in 6Na₂Cl?

Back

6

Tags

NGSS.MS-PS1-1

Front

What is a subscript in a chemical formula?

Back

A subscript indicates the number of atoms of an element in a molecule.

Tags

NGSS.MS-PS1-1

Front

What is a coefficient in a chemical equation?

Back

A coefficient indicates the number of molecules or moles of a substance.

Front

What is the difference between a subscript and a coefficient?

Back

A subscript shows the number of atoms in a molecule, while a coefficient shows the number of molecules.

Front

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

Back

Add the number of atoms of each element, considering their subscripts.

Tags

NGSS.MS-PS1-1

Front

What does the formula H₂O represent?

Back

It represents water, consisting of 2 Hydrogen atoms and 1 Oxygen atom.

Tags

NGSS.MS-PS1-1