MolSynapse
question bank
All chapters
NEET
JEE
Practice
MolSynapse
/
Question bank
/
Periodic Table and Periodicity
/
Modern periodic table and classification of elements
NEET level
Single correct option
Difficulty 1 of 3
pt026
The number of elements present in the sixth period of the long form of the periodic table is
A
8
B
32
C
18
D
28
Answer: B
Period 6 fills the 6s, 4f, 5d and 6p subshells, which hold
2
+
14
+
10
+
6
=
32
electrons, so 32 elements.
Practice Periodic Table and Periodicity
More on Modern periodic table and classification of elements
Previous question
Next question
More questions on Modern periodic table and classification of elements
Mendeleev's eka-silicon, whose properties he predicted before its discovery, is the element now called
NEET level
Match the property (List I) with the diagonal pair (List II). List I: P. oxides amphoteric, carbide gives methane with water; Q. nitride for...
JEE Advanced level
A not yet discovered element is given the temporary IUPAC systematic name unbinilium. Its atomic number and expected position are
JEE Advanced level
Be and Al are a diagonal pair. Select the correct statement(s).
JEE Advanced level
Approximate atomic masses are Na 23.0, Mg 24.3, C 12.0, N 14.0, O 16.0, F 19.0, Ar 39.9 and K 39.1. If elements were arranged strictly by in...
JEE Main level
Match the valence configuration (List I) with the type of element (List II). List I: P. [Xe] 4f^36s^2; Q. [Ar] 3d^24s^2; R. [Ne] 3s^23p^5; S...
JEE Main level