Chemical Equations

Front

What is H2O?

Back

H2O is a compound, specifically water, made up of two hydrogen atoms and one oxygen atom.

Front

Which element is the most reactive?

Back

Lithium is the most reactive among the given options.

Front

What happens in a chemical equation?

Back

In a chemical equation, a new substance is formed.

Front

Which elements have similar chemical properties?

Back

Oxygen and sulfur have similar chemical properties.

Front

What conclusion can be made if Element 3 has similar properties to Element 4?

Back

Element 3 has very similar chemical properties as Element 4.

Front

What is a chemical equation?

Back

A chemical equation is a symbolic representation of a chemical reaction.

Front

What are reactants in a chemical equation?

Back

Reactants are the starting substances in a chemical reaction.

Front

What are products in a chemical equation?

Back

Products are the substances formed as a result of a chemical reaction.

Front

What does the law of conservation of mass state?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.