Periodic table
What is the periodic table?
a display with info on all of the elements
The term used to describe the amount of matter in a object is:
Mass
K.M.T stands for?
Kinetic molecular theory
Who discovered the atom?
Dalton
The whole world is made up of ______.
Matter
What is the name of the first family on the periodic table?
alkali metals
What units are used for mass
Grams
How does temperature affect molecules and atoms?
Temperature affects the speed of molecules
What are atoms made out of?
protons electrons and neutrons
What are the three states of matter?
Solid liquid and gas
Atomic number for calcium?
20
What are molecules?
Groups of atoms bonded together.
K.M.T is used to explain what?
the behavior of matter
Who discovered the nucleus?
Rutherford
What is the equation to calculate density?
Mass divided by volume
How many neutrons does iridium have?
115
What units are used for volume
ml For liquid and cm³ for solids
What causes pressure from gas?
collisions with container walls
Who discovered energy shells?
Bohr
______: the amount of space that an object takes up
Volume
What element is SN on the periodic table?
Tin
What is a compound?
A substance made of up two or more different elements that are chemically bonded together
What is potential energy?
Stored energy that an object has which can be converted into kinetic energy
What did the gold foil experiment discover?
Nucleus
What is the fourth state of matter?
Plasma