Stone Age
Man used _____ tools
Stone
Who believed that matter could be broken down into indivisible bits called atoms?
Democritus, a greek philosopher
Who came up with the billiard ball model?
*Extra 100 points if you also tell us the year he's from*
John Dalton
*1808*
What is the symbol for the metal: Gold and the celestial body: Sun
A circle O
Whats the difference between protons and electrons?
Electrons are negatively charged subatomic particles and protons are positively charged subatomic particles.
After 8000 B.C what was discovered?
Metals
Who believed that all matter was made up of earth, air, fire, and water.
Aristole
Who came up with the electron shell model?
Niels Bohr
What is the symbol for the metal: Tin and the celestial body: Jupiter
It looks like a 4
The symbol always matches the English name for an element!
TRUE or FALSE
FALSE ex: Pb is lead
Fires was used to make _______ and __________
MUST GET BOTH RIGHT FOR POINTS!
Glass and ceramic
Alchemist wrote the very first ___________________ and invented glassware like __________
MUST GET BOTH RIGHT FOR FULL POINT!
Chemistry textbook
Beakers
In the 1660's Robert Boyle studied ________
Gases
Lithium and sodium are examples of ________
(Hint: what group/family)
Alkali metal
Atomic mass _________ when moving left to right across a period.
Increases or decreases?
Increases
Fire was eventually used to melt metals which is how __________ came to be.
Metallurgy
Who developed the system for naming chemicals?
*Extra 100 points if you get the name he's known for*
Antoine Lavoisier
*Father of modern chemistry*
Ernest Rutherford used __________ to PROVE that atoms have a tiny positive nucleus
Noble gasses are typically __________
Unreactive
Who wrote the 63 names and properties on cards?
*Extra 100 point if you guess the year this happened*
Dmitri Mendeleev
*Mid 1800's*
The stone age was over how many years ago?
10 000!
Who came up with the "plum pudding" or "raisin bun" model? (Hint: positive sphere with electrons embedded in it)
J.J Thomson
What model is used TODAY?
*Extra 100 points if you can briefly describe the model*
The quantums mechanic model.
*Positive nucleus surrounded by a cloud of electrons*
Give two examples of chemicals that are halogens:
BOTH MUST BE RIGHT TO GET FULL POINT!
Fluorine, chlorine, bromine, iodine, astatine, tennissine.
Chemistry comes from the greek word khemia which means _______________