Advertisements
Advertisements
प्रश्न
Define:
Periodic table
Advertisements
उत्तर
The periodic table is a tabular arrangement of elements in horizontal rows, called periods, and vertical columns, called groups, to classify elements and facilitate their systematic study.
APPEARS IN
संबंधित प्रश्न
Consider the following elements:
Na, Ca, Al, K, Mg, Li
Which of these elements belong to the same period of the periodic table?
How would the tendency to lose electrons change as we go from left to right across a period of the periodic table?
Name the type of elements which have outermost shell incomplete.
Arrange the elements of second and third periods in increasing order of their atomic size.
Third Period.
Define the atomic size.
Name the cation and the anion in the salt – calcium sulphate
Give the chemical formula of sodium nitrate
Give the chemical formula of calcium phosphate
Which of these belong to the same period?
| Element | A | B | C |
| Atomic number | 2 | 10 | 5 |
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.
