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Numbers Numbers Everywhere
It Matters
Protons, Neutrons and Electrons. OH MY!
Sticky Things
Randomness
100
.0090900 has how many significant figures?
What is 5
100
Is Gatorade and element, compound or mixture
What is a mixture
100
What is an elements atomic number?
What is the number of protons present in the nucleus
100
What is the correct Lewis Dot Structure for S
What is... SEE BOARD
100
Name Ca(NO3)2
What is Calcium Nitrate
200
6.45 X 10 7 is what in standard notation?
What is 64 500 000
200
Differentiate between a chemical and a physical change
What is during a chemical change a substance is produced that wasn't present before the change
200
An atom of chlorine has 17 protons 18 electrons and 20 neutrons. What is its mass number?
What is 37
200
Is NaCl and Ionic or Covalent compound
What is Ionic- Metal and a non metal
200
What is avagadros number?
What is 6.02 X10 23
300
What is .000 000 56 in scientific notation
What is 5.6 X 10 -7
300
Is digesting food a chemical or a physical change?
What is chemical
300
What is an Isotope?
What is when atoms have the same number of protons and different amount of neutrons- same type of atom with different mass
300
What in NaI the (I - ) is called what?
What is Iodide
300
What element on the periodic table has the largest atomic size or radius
What is Francium
400
(6.45 X 10 -3 ) X (3.0X 10 -5 ) should have how many significant figures in its answer?
What is 2
400
Is pop (soda) a heterogeneous or homogeneous mixture?
What is heterogeneous
400
The electron configuration for Mg
What is 1s2 2s2 2p6 3s2
400
Ca and Br will form what chemical compound?
What is CaBr2
400
Bromine will form what ion?
What is Br -1
500
(5.7 X 10 3 ) X (6.45 X 10 4 ) express your answer in the correct amount of significant figures
What is 3.6 X 10 8
500
Define Matter
What is something that has mass and volume
500
What is average atomic mass of Lithium if 7.42% exists as 6Li (6.015 g/mol) and 92.58% exists as 7Li (7.016 g/mol)?
What is 6.941 g/mol
500
The number of valence electrons does and Alkaline Earth Metals have.
What is 2
500
Convert 4.5 Moles CO2 to grams
What is 198 g