Question

periodic tabke has 18 periods and 7 groups (true or false)​

Answer 1

$\Large\bf\purple{Periods \: And \: Groups: } \:$

Periods :

> ʜᴏʀɪᴢᴀɴᴛᴀʟ ʀᴏᴡs ᴏғ ᴘᴇʀɪᴏᴅɪᴄ ᴛᴀʙʟᴇ ɪs ᴄᴀʟʟᴇᴅ ᴀs ᴘᴇʀɪᴏᴅs.

> ᴛʜᴇʀᴇ ᴀʀᴇ 7 ᴘᴇʀɪᴏᴅs ɪɴ ᴛʜᴇ ᴘᴇʀɪᴏᴅɪᴄ ᴛᴀʙʟᴇ.

Groups :

> ᴠᴇʀᴛɪᴄᴀʟ ᴄᴏʟᴜᴍɴs ᴏғ ᴘᴇʀɪᴏᴅɪᴄ ᴛᴀʙʟᴇ ɪs ᴄᴀʟʟᴇᴅ ɢʀᴏᴜᴘs

> ᴛʜᴇʀᴇ ᴀʀᴇ 18 ᴠᴇʀᴛɪᴄᴀʟ ᴄᴏʟᴜᴍɴs ɪɴ ᴘᴇʀɪᴏᴅɪᴄ ᴛᴀʙʟᴇ.

Further information :

> ɪᴏɴɪᴢᴀᴛɪᴏɴ ɪɴᴄʀᴇᴀsᴇs ᴀᴄʀᴏss ᴛʜᴇ ᴘᴇʀɪᴏᴅ ᴀɴᴅ ᴅᴇᴄʀᴇᴀsᴇs ᴅᴏᴡɴ ᴛʜᴇ ɢʀᴏᴜᴘ.

> ᴀᴛᴏᴍɪᴄ sɪᴢᴇ ɪɴᴄʀᴇᴀsᴇs ᴅᴏᴡɴ ᴛʜᴇ ᴘᴇʀɪᴏᴅ ᴀɴᴅ ᴅᴇᴄʀᴇᴀsᴇs ᴀᴄʀᴏss ᴛʜᴇ ᴘᴇʀɪᴏᴅ.

> ᴍᴇᴛᴀʟʟɪᴄ ᴄʜᴀʀᴀᴄᴛᴇʀ ɪɴᴄʀᴇᴀsᴇs ᴅᴏᴡɴ ᴛʜᴇ ɢʀᴏᴜᴘ ᴀɴᴅ ᴅᴇᴄʀᴇᴀsᴇs ᴀᴄʀᴏss ᴛʜᴇ ᴘᴇʀɪᴏᴅ.

Answer 2

Answer:

Periods :

> ʜᴏʀɪᴢᴀɴᴛᴀʟ ʀᴏᴡs ᴏғ ᴘᴇʀɪᴏᴅɪᴄ ᴛᴀʙʟᴇ ɪs ᴄᴀʟʟᴇᴅ ᴀs ᴘᴇʀɪᴏᴅs.

> ᴛʜᴇʀᴇ ᴀʀᴇ 7 ᴘᴇʀɪᴏᴅs ɪɴ ᴛʜᴇ ᴘᴇʀɪᴏᴅɪᴄ ᴛᴀʙʟᴇ.

Groups :

> ᴠᴇʀᴛɪᴄᴀʟ ᴄᴏʟᴜᴍɴs ᴏғ ᴘᴇʀɪᴏᴅɪᴄ ᴛᴀʙʟᴇ ɪs ᴄᴀʟʟᴇᴅ ɢʀᴏᴜᴘs

> ᴛʜᴇʀᴇ ᴀʀᴇ 18 ᴠᴇʀᴛɪᴄᴀʟ ᴄᴏʟᴜᴍɴs ɪɴ ᴘᴇʀɪᴏᴅɪᴄ ᴛᴀʙʟᴇ.

Further information :

> ɪᴏɴɪᴢᴀᴛɪᴏɴ ɪɴᴄʀᴇᴀsᴇs ᴀᴄʀᴏss ᴛʜᴇ ᴘᴇʀɪᴏᴅ ᴀɴᴅ ᴅᴇᴄʀᴇᴀsᴇs ᴅᴏᴡɴ ᴛʜᴇ ɢʀᴏᴜᴘ.

> ᴀᴛᴏᴍɪᴄ sɪᴢᴇ ɪɴᴄʀᴇᴀsᴇs ᴅᴏᴡɴ ᴛʜᴇ ᴘᴇʀɪᴏᴅ ᴀɴᴅ ᴅᴇᴄʀᴇᴀsᴇs ᴀᴄʀᴏss ᴛʜᴇ ᴘᴇʀɪᴏᴅ.

> ᴍᴇᴛᴀʟʟɪᴄ ᴄʜᴀʀᴀᴄᴛᴇʀ ɪɴᴄʀᴇᴀsᴇs ᴅᴏᴡɴ ᴛʜᴇ ɢʀᴏᴜᴘ ᴀɴᴅ ᴅᴇᴄʀᴇᴀsᴇs ᴀᴄʀᴏss ᴛʜᴇ ᴘᴇʀɪᴏᴅ.