Counting Atoms Flashcard

Front

How many Nitrogen atoms are in (NH₄)₂CrO₄?

Back

2

Tags

NGSS.MS-PS1-1

Front

How many Oxygen atoms are in Al₂(SO₄)₃?

Back

12

Tags

NGSS.MS-PS1-1

Front

Which of the following is a compound: Co, O₂, C, CO₂?

Back

CO₂

Tags

NGSS.MS-PS1-1

Front

What is the number of Hydrogen atoms in 3(NH₄)₂CrO₄?

Back

24

Tags

NGSS.MS-PS1-1

Front

What is a subscript in a chemical formula?

Back

A small number below an element symbol that tells the number of atoms of that element.

Front

What does the formula (NH₄)₂CrO₄ represent?

Back

Ammonium chromate, a chemical compound.

Tags

NGSS.MS-PS1-1

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 is the significance of the coefficient in a chemical formula?

Back

It indicates the number of molecules or formula units of the compound.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded.

Front

How many total atoms are in the compound Al₂(SO₄)₃?

Back

14 (2 Al + 3 S + 12 O).

Tags

NGSS.MS-PS1-1