Terms and Definition of Avogadro's Number and the Molar Mass

Question 1

Atomic weight (amu)

Answer 1

Atomic mass

Question 2

Standard measure having 6 protons and 6 neutrons

Answer 2

Carbon-12

Question 3

1/12 of Carbon-12

Answer 3

Relative atomic mass

Question 4

98.9% x 12 amu (Carbon-12) + 1.10% x 13.00335 amu (Carbon-13)

Answer 4

12.01 amu - NATURALLY OCCURING ELEMENTS HAVE MORE ISOTOPES

Question 5

Amount of a substance; atoms in 12g of the Carbon-12 isotope

Answer 5

Mole

Question 6

Avogadro’s Number

Answer 6

6.02x10^23

Question 7

Grams or kilograms of 1 mole of atoms

Answer 7

Molar mass

Question 8

Lithium is 6.94 amu. How much grams is the molar mass

Answer 8

6.94

Question 9

Carbon12 over Avogadro’s number is?

Answer 9

1.99x10^-23 grams (SIngle Carbon-12 atom in grams)

Question 10

1 amu is equivalent to what grams?

Answer 10

1.66x10^-24

Question 11

PROCESS OF GETTING MEOLECULAR MASS:

Answer 11

Multiplying the amount towards the amu and adding it

Question 12

PROCESS OF EMPIRICAL FORMULA

Answer 12

Converting percent to real numbers in a compound

Question 13

How is the Empirical Formula is done?

Answer 13

Divide the percent to amu; get it into whole number ratio; multiply these number onto 2

Question 14

Take note of the blue marks