Counting Atoms Flashcardizz

Front

What is the chemical formula for glucose?

Back

C₆H₁₂O₆

Front

How many elements are in glucose (C₆H₁₂O₆)?

Back

3

Front

How many total hydrogen atoms are present in 2H₂O?

Back

4

Front

What type of change occurs when ice melts in your hand?

Back

Physical

Front

How many atoms of carbon and oxygen are in CO₂?

Back

1 atom of carbon and 2 atoms of oxygen

Front

What does the subscript in a chemical formula represent?

Back

The number of atoms of each element in a molecule.

Front

What is the difference between a chemical change and a physical change?

Back

A chemical change results in the formation of new substances, while a physical change does not.

Front

What is the total number of atoms in the molecule C₆H₁₂O₆?

Back

24 atoms (6 carbon + 12 hydrogen + 6 oxygen).

Front

What is the significance of the coefficients in a chemical formula?

Back

Coefficients indicate the number of molecules or moles of a substance.

Front

What is the chemical formula for water?

Back

H₂O