Question

The Atomic Number of 3 elements x, y, z are 2,6,10 then

a) Which two elements belong to same group & same period?

b) List out their applications in daily life?​

Answer 1

Answer:

a. 2 and 10

Explanation:

b. these are used to make inart atmosphere.

Answer 2

ᴀɴswᴇʀ :-

• (ᴀ) x (with atomic number 2) ᴀɴᴅ ᴢ (wirh atomic number 10) ʙᴇʟᴏɴɢs ᴛᴏ ᴛʜᴇ sᴀᴍᴇ ɢʀᴏᴜᴘ.

• (ʙ) x (with atomic number 2) is ʜᴇʟɪᴜᴍ ᴀɴᴅ ɪs ᴜsᴇᴅ ᴀs ᴀ sᴇᴍɪᴄᴏɴᴅᴜᴄᴛᴏʀ ᴀɴᴅ ᴀʟsᴏ ᴜsᴇᴅ ғᴏʀ ᴍᴀᴋɪɴɢ ғɪʙʀᴇ ᴏᴘᴛɪᴄs. ʏ (with atomic number 10) ɪs ɴᴇᴏɴ, ᴀɴᴅ ɪs ᴜsᴇᴅ ᴛᴏ ᴘʀᴏᴅᴜᴄᴇ ᴅɪғғᴇʀᴇɴᴛ ᴄᴏʟᴏᴜʀs ᴏғ ʟɪɢʜᴛ.