What is nonpolar= equal sharing of electrons
polar = unequal sharing of electrons
100
what type of elements form in a covalent bond?
What is nonmetals
100
when a ionic compound forms between sodium and chloride, which element forms the cation?
What is sodium because it gives it's electron to chloride.
100
1 MOL = 22.4 L at which conditions
What is Standard temperature and pressure
100
when hydrogen and oxygen react, what compound forms?
What is H2O (water)
200
give me an example of a molecule with a nonpolar covalent bond
What is O2, N2, H2, etc
200
which of the following compounds is organic and bonded covalently:
a) MgCL2 b) NaF c) FeO d) CH4
What is CH4: 2 nonmetals
200
ionic bonds form between what types of elements
What is metal and nonmetal?
200
what number will go next to the mole when you are doing conversions?
What is 1
200
how would write the chemical formula for hydrogen and oxygen
What is H2 and O2
300
what is the most electronegative element on the periodic table?
What is fluorine
300
Which of the following isn't bonded covalently, why does your answer make sense: a) dna b) amino acids c) glucose d) table salt
What is d) table salt: it has a metal
300
MC:ionic bonds are between 2 elements with: a) large difference in electronegativity
b) small difference in electronegativity
What is a) large difference in electronegativity
300
what would be the representative particle for each of the following?
a) H2O b) iron c) MgCl2
What is a) H2O = molecule b) iron = atoms
c) MgCl2 = formula unit
300
You are 125 pounds. you drink a soda that weighs 1.5 pounds. immediately afterwards, what is your new weight?
What is 126.5 pounds
400
place these bonds in order from smallest difference in electronegavity to the highest difference in electronegativities:
polar covalent, nonpolar covalent, ionic
What is 1) nonpolar 2) polar 3) ionic
400
when carbon bonds, how many electrons will it share?
What is : it has four, so it will share four more
400
what holds the ions together in an ionic bond?
What is opposite charges (electrostatic attraction)
400
how many moles are in 9 x 10^23 atoms of carbon?
What is 1.5 atoms
400
balance this equation:
C5H12 + O2 => CO2 + H2O
what order would you balance this?
What is Carbon first, then hydrogen, then oxygen
500
Fluorine is more electronegative than Hydrogen. if Hydrogen and Fluorine make a bond, the electrons will be closer to _________. ___________ will have a partial positive and ________ will have a partial negative
What is: Fluorine, hydrogen, fluorine
500
how many bonds each of the following elements make?
a) Oxygen b) hydrogen c) carbon d) nitrogen
What is: a) Oxygen=2 b) hydrogen=1 c) carbon=4
d) nitrogen=3
500
Sodium Chloride (NaCl) bonds in a 1:1 ratio. give an example of another ionic compound that bonds in a 1:1 ratio
What is NaF, KCl, KF, LiI, LiF, KI, etc
500
you have 6 grams of water. how many molecules is this?
What is 2x 10^23 molecules
500
propane (C3H8) reacts in a combustion reaction. write the unbalanced equation