Chemistry Concepts Flashcards

Front

Define an element.

Back

A substance made of one type of atom

Front

What is a compound?

Back

Two or more elements chemically combined

Front

Which subatomic particle has a negative charge?

Back

Electron

Front

What is the charge of a neutron?

Back

Neutral

Front

What is the mass number of an atom?

Back

Protons + Neutrons

Front

What is the symbol for sodium?

Back

Na

Front

What is the valency of oxygen?

Back

2

Front

Which gas is produced during photosynthesis?

Back

Oxygen

Front

What is the pH of a neutral solution?

Back

7

Front

Which type of bonding involves sharing of electrons?

Back

Covalent