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प्रश्न
Name the type of elements which have outermost shell incomplete.
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उत्तर
Representative elements
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संबंधित प्रश्न
What is a period in a periodic table?
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.
Name two elements in Alkali metals.
From the standpoint of atomic structure, what determines which elements will be the first and which the last in a period of the periodic table?
The groups 1 and 2 constitute the ______ block.
Find the correlation:
Group 13 to 18 : p block : : ______ : d block
An element which is an essential constituent of all organic compounds belongs to
Which of the following elements would lose an electron easily?
Choose an element from period 3 of modern periodic table that matches the description given below in instance. Give a reason for your choice.
It has same valency as Lithium.
Name the following metal:
A metal present in period 3, group 1 of the periodic table.
