Advertisements
Advertisements
प्रश्न
What are the periods in a periodic table?
Advertisements
उत्तर
“Horizontal rows from left to right in a periodic table are called periods.”
APPEARS IN
संबंधित प्रश्न
State modern periodic law.
How would the tendency to lose electrons change as we go from left to right across a period of the periodic table?
What is the number of elements is 1st period the modern periodic table?
The elements A, B, C and D belong to groups 1, 2, 14 and 17 respectively of the periodic table. Which of the following pairs of elements would produce a covalent bond?
(i) A and D
(ii) C and D
(iii) A and B
(iv) B and C
(v) A and C
Correct the statement.
Copper and zinc are representative elements.
Name the type of elements which have two outermost shell incomplete.
Give the symbol and valency of the following element and radical.
Bisulphate
Give the symbol and valency of the following element and radical.
Bisulphite
Noble gases belong to______ group of the periodic table.
Which of the following statements about the Modern Periodic Table is correct:
