What Am I?
Atomic Parts
All In The Family
Table Pieces
Miscellaneous
100
Has a positive charge.
What is a proton?
100
The two regions of the atom.
What are nucleus and electron cloud?
100

Elements in this group do not react with other elements, so they have a 0 charge. 

What are the Noble Gases?

100

There are 7 of these left and right rows on the periodic table.

What are periods? 

100

My symbol is O and my atomic mass is 16.

What is oxygen?

200

I tell the number of protons contained inside an atom's nucleus

What is the atomic number?

200

Only two electrons can fit here. 

Where is the first energy level? 

200
Contains the most reactive metals.
What is the Alkali Metals?
200

There are 18 of these vertical columns on the Periodic Table.

What are groups or families.

200

I have 16 electrons in my electron cloud.

What is sulfur?

300

I have a charge, because my numbers of protons and electrons are different. 

What is an ion?

300
We live in the nucleus of an atom.
What are protons and neutrons?
300
Contains two common metals, magnesium and calcium.
What is the Alkaline Earth Metals?
300

These elements have properties of both metals and nonmetals, and can be found on the staircase of the Periodic Table.

What are metalloids?

300

I have 19 protons in my nucleus.

What is potassium?

400
Atoms with the same number of protons, but different number of neutrons.
What are isotopes?
400
If an atom is neutral in charge then there are the same numbers of these.

What are protons and electrons?

400

These are elements in Groups 3-12

What are the Transition Metals?

400

The decimal number rounded will give you this.

What is the mass number?

400

I am the first in my family of Halogens.

What is Flourine?

500

Most of an atom's mass is located here. 

Where is the nucleus?

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

This is the only element in Group 1 that is not a metal.

What is Hydrogen? 

500

Dmitri Mendeleev is given credit for developing this. 

What is the Periodic Table?

500

I am the only Noble Gas with 2 valence electrons. 

What is Helium?

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