Physical Science semester 1

Front

What group number are the halogens found?

Back

17 (7A)

Front

What is the name of group number 1?

Back

alkali metals

Front

Atomic Mass equals the combined number of Protons and Neutrons

Back

Protons and Neutrons

Front

What are the rows referred to on the Periodic Table of Elements?

Back

Periods

Front

An atom becomes _________ when it gains electrons.

Back

Negative

Front

An atom with 2 protons, 3 neutrons, and 4 electrons has a charge of ____.

Back

-2

Front

What is the name of this element? Helium, Hydrogen, Argon, Silver

Back

Argon

Front

What element is represented in this Bohr Model?

Back

Lithium

Front

To find the number of neutrons, use:

Back

atomic mass - atomic number

Front

In a neutral atom,

Back

the # of protons and # of electrons are equal