Atoms
Periodic Table
Atom models
100

a building block of all matter except energy

what is atom

100

the atomic number for Neon

what is 10

100

Stated that atoms were solid sphere

What is Dalton's Theory

200

1 AMU

What is proton and neutron

200

Element of Na

what is Sodium

200

stated that atoms had electrons floating in a "soup" of positive charges

What is Thomson's theory

300

Where is the proton and neutron located

what is Nucleus

300

Element of Au

What is Gold

300

Stated atoms are mostly empty space. The electrons orbit the nucleus like planets around the sun

What is Rutherford's Theory

400

Orbits the nucleus

what is a electron

400

Amount of Lanthanides on the periodic table

What is 15

400
Stated that electrons move in fixed orbits around the positively charged nucleus

What is Bohr's Theory

500

AMU virtually zero

What is electron

500

Creator of Periodic table

what is Dmitri Mendeleev

500

States that electrons don't orbit around the nucleus. Instead, they move at high speeds to form an electron cloud.

What is Current Theory