Matter
Atoms, Ions, Compounds
The Mole
Conversions
Naming & Rxns
100
boiling, smashing, and cooling are all examples of
What is physical changes
100
Which 2 particles are found in the nucleus?
What is protons and neutrons
100
The number that the word mole represents
What is 6.02 x 10^23
100
how many milliliters are in 2 L?
What is 2000 ml
100
What is the name of NaF2
What is Calcium Fluoride
200
when the temperature increases, what happens to the speed and volume of particles
What is get faster and spread out
200
What is the formula for mass number?
What is protons + neutrons
200
What number from the periodic table do you need to convert between grams and # of moles
What is average atomic mass
200
254.3 g = ? kg
What is 0.2543 kg
200
In a chemical equation where are the products found?
What is on the right side of the arrow
300
CO, sodium chloride, CH4, and glucose are all examples of...
What is compounds
300
What is an atom with a charge called?
What is an ion
300
how many moles are there in 41.5g of Calcium
What is 1.04 mol Ca
300
express 7241 in scientific notation
What is 7.241 x 10^3
300
the formula for lithium oxide is...
What is Li2O
400
homogenized milk, salt water, and air are all examples of
What is homogeneous mixtures
400
What are atoms with the same atomic number, but different mass numbers called?
What is isotope
400
How many atoms are there in 4.23 moles of Iron?
What is 2.55 x 10^24 atoms Fe (4.23) (6.02 x 10^23)
400
If Density = 13.6 g/ml, and the compound weights 50g, how much space does it take up in ml?
What is 3.68 ml
400
Write the formula for Magnesium permanganate
What is Mg(MnO4)2
500
the particle that determines the identity of an element
What is the proton ( # of protons = atomic #)
500
What is the overall charge on all compounds?
What is neutral
500
How many atoms are there in 4.23 g of Cobalt?
What is 4.23 x 10^22 atoms (grams / M.W.) ( 6.02 x 10^23)
500
how many ounces are in 2.75kg?
What is 96.83 oz (kg-->g --> oz)
500
Balance the following equation and give the ratio of coefficients: K + Cl2 --> KCl
What is 2: 1: 2
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