Quantification

Question 1

what is smallest unit of mass?

Answer 1

Attogram

Question 2

what is the lightest element?

Answer 2

hydrogen(H)

Question 3

what are isotopes?

Answer 3

the atoms with different mass numbers in the same element

Question 4

what is atomic mass unit?

Answer 4

the mass of unit relative to which the masses of other atoms are expressed
1 12th of c6 12 isotope

Question 5

at present what is atomic mass unit?

Answer 5

1 , 12th of cabon 6 12 isotope

Question 6

what is relative atomic/molecular mass?

Answer 6

how many times the given molecule/atom of a given element or a compound weighs as much as 1 ,12th of carbon 6 12th isotope

Question 7

how to convert 10 to the power-23 into 10 to the power -14?

Answer 7

by taking one decimal point backward or multiplying by -1

Question 8

what is the symbol of avogardo constant?

Answer 8

L

Question 9

what is avogardo constant?

Answer 9

when a mass of any element equal to its realative atomic mass is taken in grams it is seen that its contains the same no.of atoms irresspective of that element.this constant number is avogardo constant

Question 10

what is the presesntly accepted value of avogardo constant?

Answer 10

6.022 into 10 to the power 23

Question 11

what is SI unit of avorgado constant?

Answer 11

per mol-1

Question 12

what is a mole?

Answer 12

the mole is amount of substance that contains as many basic building units as there are atoms in exactly 12.00g of C-12 isotope