Metals are found on the ______________ side of the periodic table.

This group of elements have properties that are opposite those of metals. ______________________

This group of elements sit along a stair step line on the periodic table and have properties of both metals and nonmetals. _________________________

Electrons orbit a certain distance from the nucleus. Either radiate or absorb energy when jumping orbitals.

The atom is mostly large empty space with a small, dense nucleus at the center

Atom is a positively charged cloud with embedded negative electrons

Atoms are indivisible (cannot be broken down)

What scientist proposed this atomic model?

What scientist proposed this atomic model?

What did Dmitri invent?

How many elements were on the original Periodic Table?

How are the elements arranged on the periodic table today?

What is the atomic number?

What is the mass number of this atom?

The fluorine atom has an atomic number of

Isotopes of an element have a different number of...

Where is a Valence electron located?

A __________ goes up and down on the periodic table.

A _________ goes side to side on the periodic table.

What element is in period 4, group 1?

How many Valence electrons does Ba-Barium have?

The _______ tells us how many energy shells an element has.

The _________ tells us how many valence electrons an element has.

Why do elements form bonds?

If an atom loses electrons, the charge will be positive.

The center of an atom is called the

What two particles can be found in the nucleus of an atom?

All 3 particles are pretty much the same size, but how much heavier are protons and neutrons as compared to electrons?

Matter that is only made up of one type of atom

While most elements are found in nature, several have been created by scientists. These are called

What do scientists use to make synthetic elements?