Lab Safety/WHMIS
Periodic Table
Atomic Mass + Number
Atoms
Random
100
True or false: You are allowed to eat and drink in the Science lab
False
100
What are the elements in group 18 called and why are they considered unreactive?
Noble gases - they have a full outer shell
100
The atomic number of an element shows what?
Number of Protons
100
What is an Ion?
A Charged particle
100
Why aren't electrons used to figure out the mass of an atom?
Because electrons are too small, they barley have any mass!
200
What is this called: 
earlenmyer flask
200
How was the first periodic table organized?
By Boiling point, Melting point, and density
200
If an element has 10 protons, 20 neutrons an d20 electrons what is its ATOMIC NUMBER
20
200
Who Discovered the Neutron?
James Chadwick
200
Name this Part of a Bunsen Burner (B)
Collar
300
What should you do when testing for odors (smells) in the lab?
Waft
300
What are the elements in Group 2 called, and how many electrons do they have on the outer shell?
Alkaline Earth Metals - 2 electrons
300
What do the isotopes carbon-12 and carbon-12 have in common?
Same number of protons
300
What is the most likely ionic charge of Oxygen?
-2
300
What element has 17 electrons when Neutral?
Chlorine
400
What does this symbol mean? 
Corrosive
400
What was Dimitri Mendeleev credited with making?
The 1st Periodic table
400
From the name - what do we know about oxygen-22? (what does the 22 stand for)
The mass is 22
400
True or False, all isotopes if a given atom have the same chemical properties?
True
400
Which scientist did we study die halfway through WWI?
Henry Moseley
500
What Class is this symbol? 
Class D
500
What is the name, atomic mass and atomic number of the element with the atomic symbol Yb?
Yitterbium, 70, 173.05
500
How many neutrons are in K-40?
21 neutrons
500
What kind of bond is created between a metal and a non-metal?
Ionic bond
500
What is the Lewis Dot Diagram for Se?