Unit 3: Chemical Bonding
What type of bond forms when electrons are shared between 2 nonmetals?
Covalent Bond
What number represents the mole?
6.02 x 1023
What term describes the substances that go into a chemical reaction to undergo change?
reactants
How old is Ms. V?
42
List an element that will lose 1 electron to form a 1+ ion.
Li, Na, K, Rb, Cs, Fr
What is the molar mass of LiCl?
42.39 g/mol
Balance the following equation:
P4 + Br2 --> PBr3
P4 + 6Br2 --> 4PBr3
How many kids does Ms. V have? What are their names?
2... Ava & Ella
What are 2 properties of ionic bonds?
Conductive & High melting point
What is the empirical formula of C8H24?
CH3
Classify the following equation:
Zn + CuCl2 --> ZnCl2 + Cu
Single Replacement
How many years has Ms. V been teaching?
20
Which is the formula for the ionic compound magnesium phosphide?
Mg3P2
What is the percent composition of oxygen in H2O?
~89%
What is the mole ratio between CH4 and HCl?
CH4 + 4Cl2 --> CCl3 + 4HCl
1:4
What sport did Ms. V play in high school?
Field hockey
What is the definition of a non-polar bond?
Electrons are shared equally
How many grams are in 4.5 moles of NaOH?
180 grams
A students recovers 28 g of product when the theoretical yield is 40 g. What is the percent yield?
70%
Cheesesteak