Advertisements
Advertisements
प्रश्न
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 a similar structure to diamond.
उत्तर
Silicon
Reason:
Tetrahedral structure
OR
Tetravalency or Four valency and catenation
OR
Covalent bonding like carbon
APPEARS IN
संबंधित प्रश्न
How many periods and groups are there in the long form of periodic table?
The atomic numbers of four elements P, Q, R and S are 6, 8, 14 and 16 respectively. Out of these, the element known as metalloid is:
(a) P
(b) Q
(c) R
(d) S
How does the chemical reactivity of alkali metals vary on going in group 1 of the periodic table?
Arrange the elements of second and third periods in increasing order of their atomic size.
Third Period.
How does the electronic configuration of an atom relate to its position in the modern periodic table?
Fill in the blank:
The horizontal rows in the periodic table are called _____________.
______ forms the basis of the modern periodic table.
The arrangement of elements in the Modem Periodic Table is based on their ______
Which of the given elements A, B, C, D and E with atomic number 2, 3, 7, 10 and 30 respectively belong to the same period?
The elements A, B, C, D and E have atomic number 9, 11, 17, 12 and 13 respectively. Which pair of elements belong to the same group?
