What does the atomic number of an atom tell us about that atom?
How many protons the atom has.
100
What are the three states of matter?
Solid, liquid, and gas
100
Matter changes from one state of matter to another when there is a change in _______.
Temperature
100
What is the smallest complete particle of matter called?
An atom
200
What part of an atom moves at high speeds around the nucleus?
Electron
200
Using the periodic table, what element is represented by the symbol "Mg"?
Magnesium
200
Matter is found everywhere. True or False?
True
200
Molecules in this state of matter are very close together and vibrate slightly. What state of matter is it?
Solid
200
What is a neutral atom?
An atom with the same number of electrons and protons, so it has no charge.
300
What are the two parts of an atom that are contained in the nucleus?
Proton and neutron
300
Using the periodic table, what is the atomic mass of Titanium?
47.867
300
Think of the Matter Lab, what were the four physical properties of matter that we discussed?
Color, Shape, Volume, and Mass
300
Molecules in this state of matter are very far apart, move the fastest, bounce off each other, and move in all directions. What state of matter is this?
Gas
300
What is it called when two or more atoms of the same element are held together?
A molecule
400
Name all the parts of an atom (3) and what kind of charge it has.