What state of matter is moving slowly
solid
What element has a atomic mass of 52.0
Chromium
Who discovered the Electrons
Thomson
What is the formula for Volume
Mass divided by Density
Which two subatomic particles have a charge
Protons and Electrons
There is what between particles
space
What is Tin atomic number
50
What does the word Atom in Greek mean
uncuttable
What's the units for Density
g/cm3 or g/mL
Is protons positive, negative, or have neutral charge
protons have a positive charge
What's it called when a solid turns into a Gas
sublimation
Alkaine Metals
Which Scientist did the cathode ray experiment
JJ Thomson
What are the units for a liquid
g/mL
What subatomic particle is surrounding the nucleus or (energy shells)
electrons
What's it called when gas turns to a solid
Deposition
What's another name for families
Groups
What is the valence shell
The outer shell of the atom
When would a object be more dens then water
more then 1.0g/cm3
Which two subatomic particles have mass
protons and neutrons
When enough energy is added to a solid the particles
speed up
What family can glow if an electrical charge is applied
Noble Gases
Who did the gold foil experiment
Rutherford
Calculate the volume of an object with the mass of 0.078kg and a density of 19g/mL
4.10g/mL
How do you know how many protons are there in an atom
protons is the atomic number