H Chem Midterm Review Term 1

Front

What element is represented in this Bohr Model?

Back

Lithium

Front

Isotopes of the same element have different ____________.

Back

numbers of neutrons

Front

Example for chemical property:

Back

Combustion

Front

A compound reactant splits up to make 2 or more new products. This process is called:

Back

Decomposition

Front

Example for chemical property:

Back

Toxicity

Front

What is the atomic number of Lithium?

Back

3

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 together.

Front

Define malleability.

Back

Malleability is the ability of a substance to be deformed or shaped under pressure, often without breaking.

Front

What is a chemical change?

Back

A chemical change is a process where one or more substances are transformed into different substances with different properties.

Front

What is the law of conservation of mass?

Back

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