Show:
What Am I?
Atomic Parts
All In The Family
Table Pieces
Theory Timeline
100
Has a positive charge.
What is a proton?
100

These two parts describe the structure of the atom (the way it looks)

What are nucleus and electron cloud?

100
These royal snobs don't want to react with anybody.
What are the Noble Gases?
100

How many electron shells does Strontium have?

What is 5

100

This person first organized the periodic table with known elements, leaving gaps for the rest of the undiscovered elements.

Who is Dimitri Mendeleev 

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.
What is the Alkali Metals?
200

Another name for Rows

What are periods.

200

This person was nicknamed "tree ring" because his atomic model had perfect circles around the nucleus

Who is Neils Bohr

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
Contains two common metals, magnesium and calcium.
What is the Alkaline Earth Metals?
300

Electrons found on the outermost shell of an atom

What are valence electrons

300

This experiment done by Ernest Rutherford showed that an atom is mostly empty space

What is the Gold Foil Experiment 

400
Atoms with the same number of protons, but different number of neutrons.
What are isotopes?
400
In a neutral atom, these two subatomic particles are the same

What are protons and electrons.

400

We skip this family when counting columns. They have the most metallic properties.

What are the Transition Metals

400
The formula for finding neutrons

What is the atomic mass - the atomic number

400

This person believed an atom looked like a hard spherical ball. Nicknamed "Ball"

Who is John Dalton

500

Atoms with the same number of protons, but different number of electrons

What is Ion

500
The smallest subatomic particle, but its cloud accounts for the volume of an atom.
What is the electron?
500
Name two elements that have 4 valence electrons

What is Carbon, Silicon, Germanium, Tin, Lead, Flerovium

500

How many electrons go on the first shell of a selenium atom?

What is 2.... (ALWAYS 2)

500

This person was a student of Ernest Rutherford. His discovery was important for the creation of the atomic bomb.

Who is James Chadwick