Question

differentiate between groups and periods of periodic table (in table form )

Answer 1

Answer:

Groups .

1) groups are vertical rows in a periodic table

2) there are 18 groups in a periodic table

3) atomic number increases down the group

4) the elements in groups have same chemical and physical properties.they have same no. of Valence electrons

5) electronegativity increases from bottom to top

Periods.

1) periods are horizontal columns in a periodic table

2) there are 7 periods in a periodic table

3) atomic number increases across the period

4) the elements in period have same electronic configuration

5) electronegativity increases from left to right