Show:
What Am I?
Atomic Parts
Periodic Table Groups
Periodic Table Arrangement
Isotopes
100
Has a positive charge.
What is a proton?
100
The two regions of the atom.
What are nucleus and electron cloud?
100

These royal snobs don't want to react with anybody (Hint: Group 18 of the periodic table)

What are the Noble Gases?

100
The number of periods in the Periodic Table.
What is seven?
100

To calculate the mass of an atom you add the number of what two subatomic particles together?

What are protons and neutrons?

200
I tell the number of protons contained inside an atom of an element.
What is the atomic number?
200
All of the mass of an atom is concentrated here.
What is the nucleus?
200

Contains the most reactive metals, group 1 on the periodic table.

What are the Alkali Metals?

200

The group number on the periodic table gives us...

What is the number of valence electrons?

200

If an atom has an atomic number of 12 and an atomic mass of 24, it will have this many neutrons.

What is 12 neutrons?

300

It takes 2000 of me to equal the mass of either of my subatomic partners.

What is an electron?

300
We live in the nucleus of an atom.
What are protons and neutrons?
300

Group 2 on the periodic table.

What are the Alkaline Earth Metals?

300

This tells us the number of electron shells that an atom occupies.

What is the period number?

300

In the isotope Carbon-13 the 13 stands for...

What is mass number (number of protons + neutrons)?

400
Atoms with the same number of protons, but different number of neutrons.
What are isotopes?
400

The atomic number tells us the number of these two subatomic particles.

What are protons and electrons.

400

Not as reactive as the metals in groups one and two, these live in groups 3 through 12.

What are the Transition Metals?

400

Information that is contained within a square on the Periodic Table.

What are atomic number, element symbol, element name, and atomic mass?

400

This has a mass of 1 amu and no charge.

What is a neutron?

500

A proton's mass equals...

What is 1amu?

500
The smallest subatomic particle, but its cloud accounts for the volume of an atom.
What is the electron?
500

These are in Group 17 of the Periodic Table. They are very reactive nonmetals that form salts when bonded with metals.

What are the Halogens?

500
Credited with developing the first Periodic Table of the Elements, he arranged the elements in order of increasing atomic mass.
Who is Dmitri Mendeleev?
500

Plutonium-238, Plutonium 239, and Plutonium-240 all have a different number of ...

What are neutrons?