The Elements
The Atom
Atom Models
Isotopes/Compounds
States of Matter
100

70% of this is on the periodic table of elements.

What are metals.

100

It makes up all matter in the universe.

What are atoms.

100

Thompson's model is often referred to as this. 

What is plum pudding?

100
a atom with more or less neutrons in the nucleus.

What is an isotope

100

Solid, liquid, or gas

What the 3 common states of matter
200
What is number of elements on the periodic table.

What is 118. 

200
Protons and neutrons live here.

What is the nucleus. 

200

The current model used by scientists have these circling the nucleus. 

What are shells. 

200

A substance made of two or more atoms

What is a compound

200

0C or 32F

What is the  melting point

300

A one or two letter symbol stands for this on the periodic table.

What is the element's name. 

300
A subatomic particle with a negative charge. 

What is an electron.

300

This person is responsible for the planetary model.

Who is Bohr. 

300
table salt (NaCl) 

what is sodium chloride 

300

212 F or 100 c

What is the boiling point.

400

It is a term used for a property meaning, "can be pulled into threads".

What is ductile. 

400
It is the number of protons of the atom.

What is the atomic number. 

400

Greek philosopher who first used the term atom.

Who is Democritus. 

400

How do you calculate the number of neutrons in an isotope

what is atomic mass - atomic number 

400
Makes up 99.9 percent of our universe. 

What is plasma

500

The four main elements found in the human body. 

What are hydrogen, carbon, nitrogen, and oxygen. 

500

The abbreviation AMU stands for this.

What is Atomic Mass Unit

500
This scientist used the gold-foil experiment to prove his nuclear theory.

Who is Rutherford. 

500

used to date artifacts or ancient ruins by scientists 

What is carbon 14

500

Dry ice goes from a solid to a gas in the process. 

What is called Sublimation