8th grade Periodic table

Front

The period for Bromine is ___________.

Back

4

Front

True or False? Neutrons have a negative charge.

Back

False

Front

What does the 1.00794 stand for?

Back

atomic mass

Front

The colored part of the periodic table is.....

Back

metals

Front

The central region of an atom where its neutrons and protons are is its __________.

Back

nucleus

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals.

Front

What is the main difference between metals and nonmetals?

Back

Metals are good conductors of heat and electricity, while nonmetals are not.

Front

What is the significance of the periodic table?

Back

It organizes elements based on their atomic number and properties.

Front

What are the three main subatomic particles?

Back

Protons, neutrons, and electrons.