chemistry Flashcards
1
Q
what is scientific notation?
A
a way of writing number that are too large or too small
2
Q
follows the for of ?
A
a x 10^n
3
Q
what is a ?
A
is a number that is greater or equal to 1 but less than 10
4
Q
what is n?
A
is a postive or negative number
5
Q
what exponent if u move to the left ?
A
postive exponent
6
Q
what exponent if u move to the right?
A
negative exponent
7
Q
what is mass?
A
measurement of how much matter is in an object
8
Q
what is the SI unit of mass?
A
kg
9
Q
what is atomic mass?
A
mass of an atom
10
Q
what is the SI unit of atomic mass ?
A
amu
10
Q
what is formula mass ?
A
sum of the atomic mass
11
Q
what is the SI unit of formulas mass
A
fmu
12
Q
what is molecular mass ?
A
mass of one molecule of a covalent compound
13
Q
what is molar mass ?
A
mass of one mole of a substance
14
Q
what is the unit of molar mass
A
g/mol
