Atoms and the Periodic Table

Front

A proton has a ___________ charge.

Back

positive

Front

What does the 1.00794 stand for?

Back

atomic mass

Front

__________ are negatively charged particles that are in the orbitals around the nucleus.

Back

electrons

Front

An electron has a _________ charge.

Back

negative

Front

In the modern periodic table, elements are arranged by:

Back

atomic number

Front

What is the center of an atom called?

Back

nucleus

Front

What are the particles in the nucleus of an atom?

Back

protons and neutrons

Front

What is the charge of a neutron?

Back

neutral

Front

What is the smallest unit of an element?

Back

atom

Front

What do we call the horizontal rows in the periodic table?

Back

periods