Q1 of 58 Page 1

State modern periodic law of classification of elements.

According to the modern periodic law:


For classification of elements, the elements were arranged according to the increasing atomic number which gave modern periodic table.


More from this chapter

All 58 →
2

No two individuals are absolutely alike in a population. Why?

 3

Give one example each from your daily life where the household wastes can be effectively reused and recycled respectively.

 4

State the importance of chromosomal difference between sperms and eggs of humans.

 5

"A concave mirror of focal length 'f' can form a magnified erect as well as an inverted image of an object placed in front of it." Justify this statement stating the position of the object with respect to the mirror in each case for obtaining these images.