Atoms
Matter that is a combination of different types of matter in different proportions.
What is a mixture?
Tells us how many electrons and protons each element has. It also tells us the atomic number and atomic mass.
What is the Periodic Table?
A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
The first step in the Scientific Method.
What is proton, neutron and electron?
Hydrogen, helium, sodium, chlorine, iron, lead, carbon, nitrogen, and oxygen.
What are familiar elements?
Multiple atoms that are chemically combined.
What is a molecule?
An educated guess.
What is a hypothesis?
Carbon, hydrogen, oxygen, phosphorous, sulfur and nitrogen
What are the six major elements of living things?
Molecules that are made from different types of atoms, BUT always combined in the same proportions.
What is a compound?
Something you change in an experiment.
What is a variable?
This makes an element different.
What is the number of protons?
Three states of matter are
What is a solid, liquid, and gas/
The number of elements on the Periodic Table.
What is 118?
"Center" of the atom that is made up of protons and neutrons.
What is the nucleus?