Basics of Chemistry
What three states of matter do atoms make?
Solids, Liquids, Gasses.
What is the lightest element?
Hydrogen
Non-metal and Non-metal
What is Stoichiometry?
Acids: 0-7
Bases: 7-14
Neutrals: 7
How many molecules are in 1 Mole?
6.02 x 10^23
On what side of the Periodic table is the Non metals?
The right side.
What type pf bond does a nonmetal and a metal make?
Ionic Bond
Balance this equation:
C2 + H2O = C6H12O6 + C2
4C2 + 6H2O = C6H12O6 + C2
if I have a pOH of 9, what is my pH?
5
Why do atoms share electrons?
How many valence electrons do Alkaline Earth Metals have?
2
Common Ions that can end in ate, ite, ide, etc. are known as what?
Polyatomic Ions
Balance this equation: C2 + H20 = H20 + C2
Wait... There's no balancing needed
If im trying to find the H+ of something, what equation would I use?
10^-pH
What is the Molecular Mass of Na2(CO)3
105.988 (106)
How do you combine Noble gases with Other metals/Non-metals?
You can't
Name 1 of 2 polyatomic ions that end in -ide
(name both and you get double the points)
Cyanide, azide
3NaClO -> 3NaCl + NaClO3
Using this, how many moles of NaCl are produced if 3.2 Moles of NaClO react?
x = 3.2 mole NaCl
If I have a H+ of 10^-7, what is my pH?
7
Sally has 22.4 L of Bleach. How many Molecules would be in 22.4 L of bleach?
6.02 x 10^23
Which element has the highest and Lowest electronegativity?
Flourine and Francium
What are the three sentences Ms. Wentworth gave to us for studying the endings for ate, ite, and ide?
(must get 2 out of 3 to get full points)
My ride has hydrolics
I ate something icky
Sprite is delicious
Using the formula, 2H2+O2=2H2O, How many moles of oxygen are needed to react with 20 moles of Hydrogen?
10
what is the pOH of 2.93x10^-12 M of HCl
pH: 11.53
pOH: 2.47 <--