Question

19. Answer the following questions with respect to the Modern Periodic Table:
a. How many groups are there in the Periodic Table?
b. How many columns are there in the Periodic Table?
c. What are Group 1 elements called?
d. What are Group 2 elements called?
e. Name the first transition element.
f. What are the special names assigned to the groups 1, 2, 13, 14, 15, 16, 17 and 18?
g. Why are transition elements always metals?
h. Name the shortest period of the Periodic Table and also name the elements of this period.
i. Name the longest period of the Periodic Table.
J. What is unique about the seventh period?
k. Name the two inner transition element series.
l. How many elements are there in each series? State the position of these series in the table.​

Answer 1

ᴀɴꜱᴡᴇʀ:-

•> 18 ɢʀᴏᴜᴩꜱ

•> 18 ᴠᴇʀᴛɪᴄᴀʟ ᴄᴏʟᴜᴍɴꜱ (ɢʀᴏᴜᴩꜱ)

•> ᴀʟᴋᴀʟɪ ᴍᴇᴛᴀʟꜱ

•> ᴀʟᴋᴀʟɪɴᴇ ᴇᴀʀᴛʜ ᴍᴇᴛᴀʟꜱ

•> ᴛʜᴇ ꜰɪʀꜱᴛ ᴛʀᴀɴꜱɪᴛɪᴏɴ ꜱᴇʀɪᴇꜱ ʙᴇɢɪɴꜱ ᴡɪᴛʜ ᴇɪᴛʜᴇʀ ꜱᴄᴀɴᴅɪᴜᴍ ᴏʀ ᴛɪᴛᴀɴɪᴜᴍ

•> ʀᴇᴩʀᴇꜱᴇɴᴛᴀᴛɪᴠᴇ ᴏʀ ɴᴏʀᴍᴀʟ ᴇʟᴇᴍᴇɴᴛꜱ

•> ᴛʜɪꜱ ɪꜱ ʙᴄᴏᴢ ᴛʜᴇ ɴᴜᴍʙᴇʀ ᴏꜰ ᴇʟᴇᴄᴛʀᴏɴꜱ ɪɴ ᴛʜᴇ ᴏᴜᴛᴇʀ ᴍᴏꜱᴛ ꜱʜᴇʟʟ ɪꜱ ᴏɴʟy 2

•> ꜰɪʀꜱᴛ ᴩᴇʀɪᴏᴅ ɪꜱ ᴛʜᴇ ꜱʜᴏʀᴛᴇꜱᴛ (ʜ, ʜᴇ)

•> 6ᴛʜ & 7ᴛʜ

•> ʙᴄᴏᴢ ɪᴛ ɪꜱ ᴄᴏɴꜱɪᴅᴇʀᴇᴅ ɪɴᴄᴏᴍᴩʟᴇᴛᴇ

•> ʟᴀɴᴛʜᴀɴɪᴅᴇꜱ & ᴀᴄʜɴɪᴅᴇꜱ

•> 118 ᴇʟᴇᴍᴇɴᴛꜱ

❤️ʜᴏᴩᴇ ᴛʜɪꜱ ʜᴇʟᴩᴇᴅ yᴏᴜ❤️