Science 1

1.The number of electrons in the outermost

shell of alkali metal is.....

• 1

• 2

• 3

• 7

2. The number of electrons in the outermost sell of alkaline earth metal is.....

• 1

• 2

• 3

• 7

3. Eka boron was subsequently named as.......

• Gallium

• Germinium

• Scandiym

• Molybedenum

4.........., element belongs to the 18th group

• Sodium

• Chlorine

• Iron

• Neon

In which block of the modern periodic table are the non metals found

• S block

• P block

• d block

• F block