MOD 1 (sig fig&units)
What is the sig fig rule when div/mult.
the answer should match with the least amount of sig figs
What is the formula for sulfur pentafluoride what kind of compound is it?
Ionic
S F4
Ionic compounds consist of ...
Covalent compounds consist of...
metal + nonmetal
Nonmetal + nonmetal
What do you use to convert G- mol?
divide by molar mass
choose
yuh
Add 13.984 + 2.92 with correct amount of Sig Fig.
16.90
Name CaCO3, is it ionic or molecular
calcium carbonate, ionic
What charge does chromate have? and what is the formula
CrO4 2-
What is avogados number
6.022 x 10 ^23
choose
3
1.32 x 10 ^14
What is N2O5 and what kind of compound is it?
Dinitrogen pentaoxide, molecular
What polyatomic ion is this "OH-"
hydroxide
what is an isotope and what does it affect (ie. proton, electron, neutron, etc.)
An element with the same number of protons but different number of electrons.
cklajdlkflajd
asdf
Convert 20 Kilometer to Millimeters
2.0 x 10 ^7
What is C3H10 and what type of compound is it (molecular or ionic) and what is it considered (polyatomic ion, noble gas, etc)
propane, molecular, alkane
What is the formula for HYPOchlorite
ClO-
How do you go from molecules to grams
div by avogados #
mult the molar mass
aefawef
eawfef
What is 27 F into Kelvin
270.372
NH4 is..
NH3 is...
ammonium and ammonia
What are the prefix and suffix of naming polyatomic ions (ie. +1 oxygen, reference, -1, -2 oxygens)
+1 = per - ate
reference= ate
-1 = ite
-2 = hypo- ite
convert 42g of MgCl2 into protons of Cl (SHOW WORK)
9.03 x 10 ^24 proton of Cl
eaeafewfae
sretredtrw