Question

U U
Ummula of aluminum chloride.
(ii) During photosynthesis a six carbon atom molecule glucose
(CH,20.) is formed. Calculate its molecular mass.
(Atomic mass: C - 12.0 u H-1.0 ,0- 16.0 u
(iii) What are anions? Give one example of it.
(iv) Why is it not possible to see an atom with naked eyes?
(v) Name the two laws of chemical combination.
OR
(i) Define mole. Calculate the number of moles in 22 g of carbon
dioxide.
(Atomic mass of C= 12 u0=6u)
(ii) What are Polyatomic ions? Give one example of it.
017 An element is represented as 16 X.find
(i) The number of electrons and mass number in element X
(ii) The number of neutrons in element X.
(ii) Write the electronic configuration of 'X.
(iv) What would be the valency of element "X"
(v) Also, Name the element 'X'
OR
(1) Name the two sub-atomic particles of an atom.
(ii) Name the isotopes which are used in the treatment of cancer and
goiter respectively
(iii) Draw a well labelled sketch of Bohr's model of an atom with four​

Answer 1

Answer:

I am not know about it. So please try for another person.

Answer 2

Answer:

I DON'T KNOW TYPE IN MORE GOOD WAY