Periodic Table and Valence e-

Periodic Table

100

What is the Periodic table

Is what presents information about elements in an organized way.

200

The regions classify elements as...

Metals, nonmetals and metalloids.

300

Aluminum is a metal, nonmetal or metalloid?

Metal

400

Each known element is a...

block

500

The elements of Group 18 are called...

Noble Gases

Electrons

100

What is an Electron?

Particle of the atom with negative charge.

200

A force that holds two or more atoms together in a compound.

Chemical bonds

300

The number of e-, and protons is the same as the...

Atomic Number

400

What's the difference between electrons and valence electrons?

e- are in all orbits / valence e- is an outermost e- 

500

How many electrons are in Cadmium

48

Valence

100

How many valence electrons do -Na- has?

One

200

What equals the Roman number of the group number at the top of the column?

The number of valence electrons

300

Is Neon stable or unstable?

Stable

400

How many bonds can Nitrogen form?

3 Chemical Bonds

500

Which element has 2 stable electrons?

Helium