In how many groups and periods the elements in modern periodic table are classified?

Open in App

Solution

Modern periodic law states that the physical and chemical properties of elements are the periodic functions of their atomic number. There are 18 groups and 7 periods present in the modern periodic table.

Suggest Corrections

Similar questions

Q. How many periods and groups are there in the modern periodic table?

(a) State the modern periodic law.

(b) How many periods and groups are there in the modern periodic table?

How many groups and periods are there in the modern periodic table? How do the atomic size and metallic character of elements vary as we move:

(a) down a group and
(b) from left to right in a period

Mendeleev predicted the existence of certain elements not known at that time and named two of them as eka-aluminium, and eka-silicon.

(a) Name the element which has taken the place of (i) eka-aluminium and (ii) eka-silicon

(b) Mention the period/periods of these elements in the modern periodic table.

(d) Classify these elements as metals, non-metals or metalloids.

(e) How many valence electrons are present in the atoms of each of these elements?

Transition elements are found in which groups of modern periodic table?

Join BYJU'S Learning Program