Vocabulary
Atoms
Elements
Matter
Periodic Table
100

Matter that consists of two or more substances mixed together but not chemically combined

What is a mixture?

100
An atom is _________ when its outermost electron shell is full. 

What is stable?

100

When more than one element is bound together, it forms a ___________.

What is a compound?

100

A change in properties that can be observed without a change in composition.

What is a physical Change. 

100

The number of protons in an element tell you the elements ____________ in the periodic table.

What is atomic number. 
200

__________ is made of only one

kind of material and has definite

properties.

What is a Pure substance?

200

All atoms have _________ and occupy ________.

What is mass and space. 

200

The smallest unit of an element. 

What is an Atom?

200

A change in a substances composition by forming one or more new substances. 

What is Chemical Change. 
200

The number of protons and Neutrons in an element tell you the elements ____________ in the periodic table.

What is atomic mass?

300

What is the simplest pure substance?

what is an element?

300

When two or more atoms combine, they create a _______.

What is a molecule. 
300
All atoms of the same element are described as 

A. The same

B. Round

C. Different

D. Chemically bonded

What is A. The same. 
300

A state of matter whose molecules are tightly packed and has a definite shape and volume.

What is a solid.

300

A positively Charged subatomic particle found in the nucleus of an atom.

What is proton.

400

The three _______- of _________ are Solids, Liquids, and Gasses. 

What is States of Matter.

400

The amount of space an object takes up. 

What is Volume. 

400

We call each kind of atom an ___________.

What is element. 

400

A state of matter whose molecules are spread apart and does not have a definite shape or volume. 

What is a gas.

400

A Negatively Charged subatomic particle in an atom.  

What is an electron.

500

The building blocks of matter.

 What is an atom.

500

The amount of matter in an object. 

What is Mass. 

500

The smallest part of an element that has the same properties of the element is an ____________.

What is an atom?

500

Anything that takes up space and has mass. 

What is matter. 

500

Hydrogen, Oxygen, Carbon and Nitrogen are elements that make up almost all ___________.

What is Living things?