Question

Icse Chemistry class 9
Given – Element Q has 7 protons and a mass number of 14
Element R has 19 protons and 20 neutrons
Element Z has 12 protons and 24 nucleons
i) Write the electronic configuration of Q , R and Z
ii) How many - a) neutrons are there in Q and Z

b) Electrons in R
iii) Draw the atomic orbit diagram for Z.
iv) Using the letter given for the element , write balanced chemical equation for the
a) Action of heat on the Nitrate of R
b) Action of steam on Z
v) Write the molecular formula for the Hydride of Q. Write a confirmatory test for this
compound.

Answer 1

Answer:

thanksssssss for free

Explanation:

points⌚

Answer 2

Answer:

1)ii

2) v

Explanation:

this is the answer