Question

Please help me to do this..
I am waiting for your response.... You can take time but don't spam..
Spam = Report
Best ans = Brainliest ans...​

Answer 1

Answer:

11 metalloids

12 silver

13 that they are sonorous

14 sodium, magnesium, aluminium, zinc copper

15 non- metals

16 graphite

17 potassium - most reactive

gold- least reactive

18 acidic nature

19 carbon monoxide

20 Phosphorous is the Non metal which is stored under water because Phosphorous can react with oxygen present in air which leads to spontaneous combustion and catch fire.So it is stored under water due to non reaction of it with water.

hope this helps you

pls mark as brainliest