Periodic classification easy

Periodic Classification Quiz (Easy)

1. Who is known as the "Father of the Periodic Table"?

a) Dmitri Mendeleev b) J.J. Thomson c) Albert Einstein

2. Elements in the modern periodic table are arranged in order of increasing:

a) Mass number b) Atomic number c) Atomic mass

3. The vertical columns in the periodic table are called:

a) Periods b) Groups c) Blocks

4. The first element in the periodic table is:

a) Hydrogen b) Helium c) Lithium

5. The horizontal rows in the periodic table are called:

a) Periods b) Groups c) Blocks

6. Which group in the periodic table contains noble gases?

a) Group 1 b) Group 8 c) Group 18

7. The elements in the periodic table are arranged in how many periods?

a) 7 b) 8 c) 18

8. The number of valence electrons in Group 2 elements is:

a) 1 b) 2 c) 8

9. Which element is located in period 3 and group 17 of the periodic table?

a) Sodium (Na) b) Chlorine (Cl) c) Carbon (C)

10. The most reactive metal in the periodic table is:

a) Sodium (Na) b) Potassium (K) c) Lithium (Li)