THE MOLE AND AVOGADROS NUMBER

Question 1

ATOM IS THE SMALLEST PARTICLE OF _______

Answer 1

AN ELEMENT

Question 2

MOLECULES IF THE SMALLEST PARTICLE OF _______

Answer 2

A COMPOUND

Question 3

7 SI UNITS

Answer 3

Length - meter (m)
Time - second (s)
Amount of substance - mole (mole)
Electric current - ampere (A)
Temperature - kelvin (K)
Luminous intensity - candela (cd)
Mass - kilogram (kg)

Question 4

1 mol = _______ atoms or molecules

-this is called the ________

Answer 4

6. 02x10^23

- avogadros number (CONST-24 in calculator)

Question 5

how to convert grams to mol or vice versa.

Answer 5

use ATOMIC MASS/MOLECULAR MASS (g/mol)

Question 6

how to convert mol to atom/molecules or vice versa.

Answer 6

use AVOGADROS NUMBER (6.02X10^23)