Term
|
Definition
| expresses the smallest whole number ratio of atoms present |
|
|
Term
|
Definition
| gives the actual numbers of each element present in the compound |
|
|
Term
|
Definition
| the mass of one mole of the compound |
|
|
Term
|
Definition
| same as molecular weight, but ionic compounds dont exist as molecules |
|
|
Term
|
Definition
| another term for one mole of a compound, whatever it may be. F U mr adams... |
|
|
Term
| how to calculate the empirical formula |
|
Definition
1-get mass of each element in grams
2-divide by AM to get # of moles
3-dived the number of moles of each element by the smallest number of moles, if theyre all integers, they are the subs.
4-make them whole numbers if theyre not |
|
|
Term
| how to calculate the molecular formula |
|
Definition
1-multiply subs by molecular mass
2-divide molar mass by empirical mass
3-round up, and then multiply by subs again |
|
|
Term
|
Definition
-nitrate(NO3), chlorate(ClO3), and acetates(C2H3O2)
-Na,K,and NH4 salts
-Cl, bromide and iodide salts without Ag.Pb,Hg |
|
|
Term
|
Definition
hydroxide(OH)and Sulfide(S) salts unless theyre with Na,K,or NH3 and moderately soluble with Ca,Ba,and Sr
carbonates(CO3),phosphates(PO4) salts unless with Na,K,or NH3 |
|
|
Term
|
Definition
A+X->AX
A and X can be elements or compounds |
|
|
Term
| single replacement reaction |
|
Definition
| A+BX->AX+B or Y+BX->BY+X where A,B,X and Y are elements and AX, BX, and BY are compounds |
|
|
Term
| double displacement reaction |
|
Definition
| AX+BY->AY+BX where A,B,X, and Y in the reactants are ions and AY and BX are ionic or molecular compounds |
|
|
Term
|
Definition
| AX->A+X where AX is a compound, A and X can be elements or compounds |
|
|
Term
|
Definition
|
|
Term
|
Definition
| cannont be broken down by any chemical means into another substance |
|
|
Term
|
Definition
| when two or more different elements unite to form a new substance |
|
|
Term
|
Definition
ClO - hypochlrite
ClO2 - chloirite
ClO3 - chlorate
ClO4 - perchlorate
(all have a -1 charge) |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| expresses a number as a product of a number between 1 and 10 and the appropriate power of 10 |
|
|
Term
|
Definition
| integers are always sig...leading integers are never sig...captive zeroes are sig...trailing zeroes are sig if there is a decimal poin in the number...exact numbers and physical constants are treated as if infinitely sig. |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
