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प्रश्न
Answer the following in respect of element \[\ce{_16^32S}\].
To which group and period does it belong?
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उत्तर
16S atomic number 16 belongs to Group 16 (VI A) and has 2 shells belongs to Period - 3.
संबंधित प्रश्न
Name two elements you would expect to show chemical reactions similar to magnesium. What is the basis for your choice?
What is the number of valence electrons in the atoms of first elements in a period?
What is the major characteristic of the first elements in the periods of the periodic table? What is the general name of such elements?
State how the valency of elements varies in a period of the periodic table?
What is the main characteristic of the last elements in the periods of the periodic table? What is the general name of such elements?
The following diagram shows a part of the periodic table in which the elements are arranged according to their atomic numbers. (The letters given here not the chemical symbols of the elements):
| a 3 |
b 4 |
c 5 |
d 6 |
e 7 |
f 8 |
g 9 |
h 10 |
|
| i 11 |
j 12 |
k 13 |
l 14 |
m 15 |
n 16 |
o 17 |
p 18 |
(i) Which element has a bigger atom, a or f?
(ii) Which element has a higher valency, k or o?
(iii) Which element is more metallic i or k?
(iv) Which element is more non-metallic, d or g?
(v) Select a latter which represents a metal of valency 2.
(vi) Select a letter which represents a non-metal of valency 2.
How does number of (i) valence electrons (ii) valency; vary on moving from left to right in the second period of a periodic table?
Name the cation and the anion in the salt – calcium sulphate
Give the chemical formula of carbonic acid
Which of the following is the outermost shell for elements of period 2?
