Ions
Definitions
Stoichiometry
Compound Naming
Fun
100
A negatively charged ion
What is an anion?
100
A compound that is composed of two elements
What is a binary compound?
100
A chemical change involves reorganization of the atoms in one or more substances and is represented by
What is a chemical equation?
100
Li2O
What is a lithium oxide?
100
1.) Formed when an electron transfers from one atom to another. 2.) Formed when two atoms share one or more electrons
What are Ionic and Covalent Bonds?
200
a positively charged ion
What is a cation?
200
These compounds always contain a positive ion (cation), written first in the formula, and a negative ion (anion)
What is a binary ionic compound?
200
This is what the chemical reaction produces and are always shown on the right side of the chemical equation
What are products?
200
MgS
What is magnesium sulfide?
200
GET OUT YOUR PEN AND PAPER..... What is the Molarity of a solution that is prepared by adding 46.8g of Potassium Nitrate to enough water to make 1.50 L of solution?
[.308M]
300
As ions, this group of chemicals always has a -1 charge
What are halogens?
300
These compounds are formed between two nonmetals
What is binary covalent compound?
300
The mass in grams of 1 mole of the compound.
What is the molar mass?
300
silicon tetrachloride
SiCl4
300
Balance KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
400
As ions, this group of chemicals always has a 1+ charge.
What is Group 1A (Alkali Metals)?
400
The reactant that runs out first and thus limits the amount of products that can be formed
What is the limiting reactant?
400
This is the first thing you should check for when doing stoichiometry problems (Hint: you have to have the correct amounts of reactants and products)
What is, is the equation balanced?
400
Cl2O3
What is dichlorine trioxide?
400
Determine the molality of each water solution given the following boiling points: 1.) 100.25°C 2.) 101.53°C 3.) 102.805°C
1.) .49 Molality 2.) 2.99 Molality 3.) 5.48 Molality
500
As ions, this group of chemicals always have a 2+ charge
What is Group 2A (Alkaline Earth Metals)?
500
The substance that is dissolved when making a solution.
What is the solute?
500
You have enough bread to make 4 sandwiches, enough meat to make 3 sandwiches and enough cheese to make 5 sandwiches. You can only make 3 sandwiches because the meat is your _______
What is limiting reactant?
500
TiBr4
titanium (IV) bromide
500
Pen and paper again! When 0.105 mol propane is burned in an excess of oxygen, how many moles of oxygen are consumed? The reaction is C3H5 + 5 O2 ---> 3 CO2 + 4 H2O
0.525 mol O2
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