quiz 2 vocab

Question 1

What is a cation and an anion called when paired together

Answer 1

ionic compound

Question 2

How do you name ionic compounds

Answer 2

cross charges (needs to be neutral); state the cation first; specify charge if more than 1; state anion; use ideo for monotomic ions and use full name for polyatomic ions

Question 3

rule for “ite” and “ate”

Answer 3

ate has 1 more than ite

Question 4

how do you tell if something is a hydrate

Answer 4

Its an ionic compound followed by *x H2O

Question 5

How do you name hydrates

Answer 5

name the ionic compound and then add the number prefix and hydrate ex: barium chloride dihydrate

Question 6

what are molecular compounds

Answer 6

elements above the staircase bonded together

Question 7

how do you name a molecular compound

Answer 7

use prefixes for each element: don’t use mono for first element; add ide to then second element

Question 8

How to tell if something is an acid

Answer 8

contains H+ ion

Question 9

how to name acids

Answer 9

hydro-(root)-ic acid ex: hydrochloric acid

Question 10

how do you calculate atomic mass using isotopes

Answer 10

multiply the persent and the amu: add both together; multiply by 100

Question 11

what is the relation between atomic mass and molar mass

Answer 11

they are equal; Fe weighs 55.85 amu, and also 55.85 g/mol

Question 12

what is avogadros number

Answer 12

6.022 x10^23 (to 4 sig fgs)

Question 13

how to calculate moles given grams

Answer 13

take the given grams and divide by molar mass (number of periodic table)

Question 14

how to calculate atoms given grams

Answer 14

take given grams, divide by molar mass, multiple by avogadros number

Question 15

how to calculate grams given mols

Answer 15

multiply given moles by molar mass