In d-block elements every element is not a transition elements, to become transition elements in d orbital we should have atlest one un filled orbital to perform d-d transition, next coming to zinc there is no incomplete d orbital so it is not a transition element
Remember, CaCO3 is the one compound which have wholly Solly 100g . So it is very easy to calculate individual % in it. Each Element will have the same percentage as its molecular mass in the compound CaCO3. Let, CaCO3=Ca(40)+C(12)+O3(3×16=48) Adding these; CaCO3=40+12+48=100g Therefore Ca=40%,C=12% and O3 mean oxygen=48%. Also you can find out percentage of element in compound by formula: % of element= Atomic mass of element×no.of elements in that compound×100/Atomic mass of whole compound So, % of Ca= Atomic mass of Ca×No.of Ca in Compound CaCO3 ×100/Compound whole molecular mass % of Ca=40×100/100=40% Ans. Remember me in your prayers ❤
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Nitrogen oxide
7
Oxygen
Condensation
Electron
Methane
Group 18
Carbon
Carbon dioxide
Vitamin C
Flourine
Carbon dioxide
Atom
Hydrogen
Uranium
Copper
Carbon
Hydrogen sulfide
4 th period
Calcium
Nitrogen
Silicon
Sn
Nitrogen
Condensation
Carbon dioxide
Butane
Silicon
Group 2
Iron
Lithium
Acetylene
I
Argon
0:2 nm
86
40 percent
Nickel cadmium
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in question 17 b is also correct because zinc and copper both are transition elements
In d-block elements every element is not a transition elements, to become transition elements in d orbital we should have atlest one un filled orbital to perform d-d transition, next coming to zinc there is no incomplete d orbital so it is not a transition element
Yah zn is not the transition element
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It is helpful for Olympiad
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17 is both cu and zinc
Sir this much easy will not come for competitive exms
These questions will come ssc mts or railway group d
Zn is also transition metal
Zn is not an transition element
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1c
3=a
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Ni it's A
by product of photosynthesis is oxygen is correct
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Question 17 me transition metal zinc bhi hai aur copper bhi
Simple
Noble gases are present in group 8
Group 8 are called halogen
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No bro 18 only
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Q no 27 neet 2024 question😮
N2
2c right
Sir 10 class carbon lesson patndi
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Q:32 answer should be Fe/Ni alloy
2. C
Helium
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Cet with answer 2024
Hydrogen
Sir question no 38 please explain
Sir a years ro celation question chadantu
Solution for 39th que sir
Remember, CaCO3 is the one compound which have wholly Solly 100g . So it is very easy to calculate individual % in it. Each Element will have the same percentage as its molecular mass in the compound CaCO3.
Let, CaCO3=Ca(40)+C(12)+O3(3×16=48)
Adding these; CaCO3=40+12+48=100g
Therefore Ca=40%,C=12% and O3 mean oxygen=48%.
Also you can find out percentage of element in compound by formula:
% of element= Atomic mass of element×no.of elements in that compound×100/Atomic mass of whole compound
So, % of Ca= Atomic mass of Ca×No.of Ca in Compound CaCO3 ×100/Compound whole molecular mass
% of Ca=40×100/100=40% Ans.
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