SCIENCE BM 1 Practice

Front

What are the particles in an atom that are neutral and have no charge?

Back

Neutrons

Front

How many protons does an atom with atomic number 6 have?

Back

6 protons

Front

What are the substances listed on the right side of a chemical equation called?

Back

Products

Front

What happens to stars as we move to the left on the diagram of stellar evolution?

Back

Stars get hotter

Front

How many different elements are present in the molecular formula C6H12O6?

Back

3 elements

Front

What is the charge of protons in an atom?

Back

Positive charge

Front

What is the charge of electrons in an atom?

Back

Negative charge

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom of that element.

Front

What is a chemical equation?

Back

A representation of a chemical reaction that shows the reactants and products.

Front

What are reactants in a chemical equation?

Back

The substances that undergo a chemical change, found on the left side of the equation.