Flashcard 1: Hindenburg

Front

What is the molecular formula for glucose?

Back

C6H12O6

Front

How many hydrogen atoms are in C6H12O6?

Back

12

Front

What is the smallest particle of an element?

Back

Atom

Front

What is the charge of an electron?

Back

Negative

Front

What is combustion?

Back

A chemical reaction that occurs when a substance reacts with oxygen to produce heat and light.

Front

What are the three components needed for combustion?

Back

A fuel, oxygen, and a heat source.

Front

What happens when hydrogen gas is ignited?

Back

It reacts explosively with oxygen to form water.

Front

What is the role of a spark in combustion?

Back

It provides the heat energy needed to initiate the reaction.

Front

True or False: Hydrogen can burn on its own without oxygen.

Back

False

Front

What is the product of burning hydrogen in oxygen?

Back

Water (H2O)