Advertisements
Advertisements
प्रश्न
Give the symbol and valency of the following element and radical.
Oxygen [Oxide]
उत्तर
| Element/Radical | Symbol | Valency |
| Oxygen [Oxide] | O | two |
APPEARS IN
संबंधित प्रश्न
Which element has two shells, both of which are completely filled with electrons?
Consider the following elements:
20Ca, 8O, 18Ar, 16S, 4Be, 2He
Which of the above elements would you expect to be:
(i) very stable?
(ii) in group 2 of the periodic table?
(iii) in group 16 of the periodic table?
Name two elements in each case:
Transition element
Fill in the blank:
The horizontal rows in the periodic table are called _____________.
Give the symbol and valency of the following element and radical.
Aluminium
Give the chemical formula of magnesium nitrate
The modern periodic table is divided into which blocks?
Write an Explanation.
Period
In the modern periodic table, elements are arranged according to their ______
Group 16 elements are collectively called as ______.
