Question

Which of the following two elements have
similar chemical properties?
1.Element with atomic number 3 and element with
atomic number 11
2.Element with atomic number 3 and element with
atomic number 9
3.Element with atomic number 11 and element
with atomic number 9
4.Both [2] and [3]​

Answer 1

(1) ɪꜱ ᴄᴏʀʀᴇᴄᴛ ✌️

ᴛʜᴇ ᴇʟᴇᴍᴇɴᴛꜱ ᴡɪᴛʜ ᴛʜᴇ ᴀᴛᴏᴍɪᴄ ɴᴜᴍʙᴇʀ 3 ᴀɴᴅ 11 ʜᴀᴠᴇ ᴛʜᴇ ꜱᴀᴍᴇ ᴩʀᴏᴩᴇʀᴛɪᴇꜱ ʙᴇᴄᴀᴜꜱᴇ ʙᴏᴛʜ ᴇʟᴇᴍᴇɴᴛꜱ ʜᴀᴠᴇ ꜱᴀᴍᴇ ᴠᴀʟᴇɴᴄᴇ ꜱʜᴇʟʟ ᴄᴏɴꜰɪɢᴜʀᴀᴛɪᴏɴ.

❣️ʜᴏᴩᴇ ᴛʜɪꜱ ʜᴇʟᴩᴇᴅ yᴏᴜ❣️