A-T-O-M-S and Periodic Table of Elements

"Colors" in the periodic table of elements indicates each element's __________.

How much percent of the universe is made up of matter or atoms?

Orbiting shells have ______________ levels of energy.

Mercury has 80 protons and neutrons.

The atomic mass of an element determines how much "stuff" this element has.

The ____________________ is what holds the nucleus together!

The correct way to read the periodic table of elements is from right to left.

"Groups in the periodic table" indicates that elements can...

The nucleus is the center of the atom that consist of: __________ and __________.

Electrons are ions that have a neutral charge.

The configuration of particles in an element makes it different from another _____________.

95% of this universe is practically made up of EMPTY SPACE!

Why do protons and neutrons attract one another and not repel against each other?

Look at your periodic table of elements. Find for PLATINUM. What is the symbol for PLATINUM?

If you were to draw an ATOMIC MODEL, what would you need to include?

Democritus and Dalton are important because...

Neutrons, electrons, and protons are called: __________________.

Atoms are...

The atomic number of an element (atom) represents the number of: ___________.

Cells are made up of A-T-O-M-S!

A proton is an ion with a ____________ charge.

Electrons are located on the orbiting shells of an atom and it travels as fast as the speed of light.