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Sagnik Datta
Subject: Chemistry
, asked on 17/8/17
Define subgroup in modern periodic table. (so far I know - subgroup is a part of a group to identify different elements in the same group. plz help me further.)
Answer
2
Shashwat
Subject: Chemistry
, asked on 26/11/17
Solve 68
Q.68. Which of the following is a metalloid?
(a) Tin
(b) Germanium
(c) Silicon
(d) Carbon
Answer
5
Ruchika Surana
Subject: Chemistry
, asked on 21/11/17
State a property trend that remains similar on moving
Down a group
And
Across a period
Answer
1
Ruchika Surana
Subject: Chemistry
, asked on 21/11/17
State the differnce between modern periodic law and mendeleff period law?
Answer
1
Ruchika Surana
Subject: Chemistry
, asked on 21/11/17
What are elements ? Why they need to be properly classified?
Answer
2
Ruchika Surana
Subject: Chemistry
, asked on 21/11/17
What is common feature of electronic configuration of elements at the end of period 2 and period 3 of periodic table
Answer
1
Jayanti Goswami
Subject: Chemistry
, asked on 18/10/17
The other day I took a chapter test on Periodic Table and this particular question did not seem to have any correct alternative. Please help. The answer should be 1- i, 2-iii, 3-ii. Even the solution is wrong as it says that each C atom in a diamond is bonded with three other atoms whereas it is actually bonded with 4. Please look into the solution
Answer
3
Jayanti Goswami
Subject: Chemistry
, asked on 14/10/17
Q. Could you please explain what the valency related statement means ( especially the given expression ns^2np^4) ? Thanks
Group 16 of the periodic table contains 5 elements. They are oxygen, sulphur, selenium, tellurium, and polonium. The general atomic properties of group 16 elements are:
• General valence shell electronic configuration is
n
s
2
n
p
4
.
Answer
1
Arunima Roy
Subject: Chemistry
, asked on 10/10/17
give reasons why elements need to be properly classified
Answer
1
Aditi Nair
Subject: Chemistry
, asked on 29/8/17
Explainionization
Answer
1
Kumari Pragya
Subject: Chemistry
, asked on 19/3/17
Ans of que no 2
Answer
3
😘shreyanshi😘 Gupta
Subject: Chemistry
, asked on 27/12/16
Why was hydrogen called 'inflammable gas '????
Answer
2
Rishabh Katiyar
Subject: Chemistry
, asked on 25/10/16
why hydrogens place is not defined in periodic table and where it must be kept and why give reason for your answer
Answer
3
Kushal Kumar Saha
Subject: Chemistry
, asked on 15/10/16
What will be the number of electrons present in the outermost orbital of Thallium.
Answer
3
Kushal Kumar Saha
Subject: Chemistry
, asked on 15/10/16
State the uses of halogens.
Answer
1
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2
3
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What are you looking for?
Q.68. Which of the following is a metalloid?
(a) Tin
(b) Germanium
(c) Silicon
(d) Carbon
Down a group
And
Across a period
The other day I took a chapter test on Periodic Table and this particular question did not seem to have any correct alternative. Please help. The answer should be 1- i, 2-iii, 3-ii. Even the solution is wrong as it says that each C atom in a diamond is bonded with three other atoms whereas it is actually bonded with 4. Please look into the solution
Group 16 of the periodic table contains 5 elements. They are oxygen, sulphur, selenium, tellurium, and polonium. The general atomic properties of group 16 elements are:
• General valence shell electronic configuration is .