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Question
Name the scientist who stated the modern periodic law.
Solution
Henry Moseley stated the modern periodic law.
RELATED QUESTIONS
Name two elements in Alkaline earth metals.
Name the metals in the first twenty elements.
How will the tendency to gain electrons change as we go from left to right across a period? Why?
What is the number of elements in the 3rd period, of the modern periodic table?
Give the symbol and valency of the following element and radical.
Hydrogen
Which of the following statements about the Modern periodic table is correct?
Group 1 and 2 : s block : : group 13 and 18 : _______
The scientist who propounded the modern periodic law is ______.
A part of modern periodic table is given below. On its basis, answer the following questions:
| Group No. → | 1 | 2 | 13 | 14 | 15 | 16 | 17 | 18 |
| Period ↓ | ||||||||
| 2 | A | B | ||||||
| 3 | E | D | F | C |
Write the molecular formula of the compound formed by the combination:
E and B
An element ‘M' has 50% of the electrons filled in the 3rd shell as in the 2nd shell. The atomic number of ‘M’ is ______.
