Question

Element Atomic Mass number number
X 17 35
Y 11 23
Z 6 14

a. What is isotope ?

b. What do you mean by atomic number ? Explain .

c.Calculate the number of neutrons in one atom of element ' Z ' as mentioned
in the stem .

d. It is possible to form compound between the atoms of element ' X ' and ' Y '
as mentioned in the stem . Analyze with logic ​

Answer 1

Answer:

a) Isotopes are the atoms having same mass number but different atomic number

b) no. of electrons present in an element represents the atomic number of that element

c) element Z is carbon as it's atomic number is 6 and as it's mass number is 12 that is it has 6 proton and 6 neutron hence element Z has 6 neutron

d) yes it's possible Element X is chlorine and element Y is Sodium (Na) The compound they form is NaCl

Hope it Help

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