EASY
Chemistry
IMPORTANT
Earn 100

The correct order of filling up of subshells in the seventh period is

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Important Questions on Classification of Elements and Periodicity in Properties

EASY
Chemistry
IMPORTANT
The element having electronic configuration 1s2 2s2 2p6 3s2 3p6 3d5 4s1 will be placed in
EASY
Chemistry
IMPORTANT
The noble gas in the seventh period of the modern periodic table has the symbol.
EASY
Chemistry
IMPORTANT
Which of the following groups contain only metals?
EASY
Chemistry
IMPORTANT

An element with electronic configuration Kr 5s2 4d10 5p6 6s2 4f14 5d2 belongs to

EASY
Chemistry
IMPORTANT
The element having electronic configuration [Kr]4d10 4f14 5s2 5p6 5d1 6s2 belongs to 
MEDIUM
Chemistry
IMPORTANT
An element 'M' has atomic number 19. Which of the following statements is correct?
MEDIUM
Chemistry
IMPORTANT
In the periodic table, which of the following properties remains unchanged on descending the group?