Advertisements
Advertisements
प्रश्न
Group 13 to 18 : p block : : _______ : d block
Advertisements
उत्तर
Group 13 to 18 : p block : : Group 3 to 12 : d block
APPEARS IN
संबंधित प्रश्न
How does the metallic character of elements in Modern Periodic Table vary on moving from left to right in a period, and (ii) down a group?Give reason to justify your answer.
Write the merits of the modern periodic table over Mendeleev’s Periodic table
How were the positions of cobalt and nickel resolved in the modern periodic table?
On which side of the periodic table will you find non-metals?
Consider the following elements:
Na, Ca, Al, K, Mg, Li
Which of these elements belong to the same group of the periodic table?
What is the usual number of valence electrons in the atoms of the last element in a period?
State how the valency of elements varies in a group of the periodic table?
What is a period in a periodic table?
What is the number of elements is 1st period the modern 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.
Give the group number of following elements present in periodic table
What are horizontal rows and vertical columns in a periodic table known as?
Correct the statement.
Transition elements are placed at extreme right of the periodic table.
Name two elements in Inert gas.
Name the type of elements which have two outermost shell incomplete.
Name the type of elements which have one electron short of octet.
Name the type of elements which have two electrons in the outermost orbit.
Write the number of protons, neutrons and electronic configuration of \[\ce{_19^39K, _15^31P}\]. Also state their position in periodic table.
How will the tendency to gain electrons change as we go from left to right across a period? Why?
How many periods and groups are there in the modern periodic table?
What is meant in the periodic table by a period?
The horizontal rows in a periodic table are called _____.
Answer the following question.
Define the atomic size. Give its unit of measurement. In the modern periodic table what trend is observed in the atomic radius in a group and a period and why is it so?
Give the symbol and valency of the following element and radical.
Potassium
Give the symbol and valency of the following element and radical.
Nitrate
Give the symbol and valency of the following element and radical.
Bisulphate
Write scientific reason.
There was ambiguity about the correct position of hydrogen in Mendeleev’s periodic table.
Noble gases belong to______ group of the periodic table.
What are groups and periods in the modern periodic table?
Element ‘X’ forms a chloride with the formula XCl2, which is solid with a high melting point. X would most likely be in the same group of the periodic table as: ______
The element which has the least tendency to lose electrons is ______
The amount of energy released when one or more electrons is added to the neutral atom is ______
Where would you locate the element with electronic configuration 2,8 in the Modern Periodic Table?
Which of the following elements would lose an electron easily?
Three elements A, B and C have 3, 4 and 2 electrons respectively in their outermost shell. Give the group number to which they belong in the Modern Periodic Table. Also, give their valencies.
An element with atomic number ______ will form a basic oxide.
