Understanding Molecules

Front

What is the chemical formula for water?

Back

H₂O

Front

How many hydrogen atoms are present in a water molecule?

Back

2

Front

What is the name of the molecule with the formula C₃H₈?

Back

Propane

Front

How many oxygen atoms are in a water molecule?

Back

1

Front

What type of bond exists between hydrogen and oxygen in a water molecule?

Back

Covalent bond

Front

What is the significance of the number of carbon atoms in a hydrocarbon?

Back

It determines the length and properties of the hydrocarbon chain.

Front

What is the general formula for alkanes?

Back

CₙH₂ₙ₊₂

Front

How many carbon to carbon bonds are present in propane?

Back

1

Front

What is the role of oxygen in water?

Back

Oxygen is the central atom that forms covalent bonds with hydrogen.

Front

What is a molecule?

Back

A molecule is a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound.