vocab
vocab 2
vocab 3
100

anything that has mass and takes up space

What is mass? 

100

the branch of science that investigates the composition and properties of matter and how they interact with each other

What is chemistry? 
100

a characteristic of a substance that can be observed without changing its chemical makeup. 

What is a physical property? 

200

an educated guess or proposed explanation for an occurrence that will undergo further investigation and testing. 

What is a hypothesis?

200

the basic building blocks of matter

What are atoms? 

200

a characteristic of a substance that can only be observed through a chemical change

What is a chemical property? 

300

how compact a solid, liquid, or gas is

What is density?

300

a specific type of atom

What are elements? 
300

the number of protons of an element, it identifies the element and determines its place on the periodic table. 

What is an atomic number? 
400

how well a substance (solute) will dissolve into another substance (solvent)

what is solubility?

400

A substance that is made of atoms or molecules that cannot be broken down without changing it into something else

What is a chemical? 

500

the weight of the number of protons plus the number of neurons of an atom; it is an average of all the element's known isotopes and can be found on the periodic table

What is atomic mass? 

500

a group of two or more atoms joined together 

what is a molecule?