Question

choose the correct answer from the options given below ​

Answer 1

2 - 6

3 - One

4 - 282

5 - washing soda

Answer 2

Answer:

hi here is you answer rate it 5 and marks brainliest

Explanation:

hello :

2)valence electrons in o2-are : 8 as it is taking electrons to Gain electronic configuration.

3) hydrogen carbonate = HCO3-

no of carbon electrons :1

4) atomic no of magnesium: 12

electronic configuration: 2,8,2

5)sodium chloride