Advertisements
Advertisements
प्रश्न
Give the chemical formula of calcium phosphate
Advertisements
उत्तर
It denotes in a compound, the number of atoms of element present.
∴ Formula = \[\ce{Ca(PO4)2}\]
APPEARS IN
संबंधित प्रश्न
Fill in the blank:
The modern periodic table consists of ……………. periods.
What is the major characteristic of the first elements in the periods of the periodic table? What is the general name of such elements?
What are the groups in a periodic table? Give two characteristics of each.
Which of the following are the correct characteristics of isotopes of an element?
(i) same atomic mass
(ii) same atomic number
(iii) same physical properties
(iv) same chemical properties
(a) (i), (ii) and (iv)
(b) (ii), (iii) and (iv)
(c) (ii) and (iii)
(d) (ii) and (iv)
Define:
Periodic table
What are horizontal rows and vertical columns in a periodic table known as?
How does the electronic configuration of an atom relate to its position in the modern periodic table?
Find the odd one out and give its explanation.
Distinguish between:
Group 17 - Group 18
State any five features of modern periodic table.
