Question

Questo 4
(a) The table given below shows a part of the periodic table, such that elements lithium, carbon, oxygen and neon are shown in their correct positions. Position of other elements is represented by alphabetic letters. These letters are not the symbol of the elements concerned. Answer the following questions:.
1 . State valency of R
2. E will act as oxidising or reducing agent ? justify your answer.
3. Identify the noble gas in period 4
Pls reply fast , if answer is correct then you will be marked as Brainliest ​

Answer 1

Answer:

sorry I didn't know the answer for this

Answer 2

Answer:

1) 6 - 4 = 2

2) Reducing agent

3) Krypton