Question

Electronic configuration
Period number​

Answer 1

Answer:Across a period the atomic number of every consecutive element differs by 1. The electronic configuration between consecutive elements differs by only 1, across a period. The value of the principal quantum number, that is n is incremented by 1 as we traverse across a period.

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Answer 2

Answer:

ᴀᴄʀᴏꜱꜱ ᴀ ᴘᴇʀɪᴏᴅ ᴛʜᴇ ᴀᴛᴏᴍɪᴄ ɴᴜᴍʙᴇʀ ᴏꜰ ᴇᴠᴇʀʏ ᴄᴏɴꜱᴇᴄᴜᴛɪᴠᴇ ᴇʟᴇᴍᴇɴᴛ ᴅɪꜰꜰᴇʀꜱ ʙʏ 1. ᴛʜᴇ ᴇʟᴇᴄᴛʀᴏɴɪᴄ ᴄᴏɴꜰɪɢᴜʀᴀᴛɪᴏɴ ʙᴇᴛᴡᴇᴇɴ ᴄᴏɴꜱᴇᴄᴜᴛɪᴠᴇ ᴇʟᴇᴍᴇɴᴛꜱ ᴅɪꜰꜰᴇʀꜱ ʙʏ ᴏɴʟʏ 1, ᴀᴄʀᴏꜱꜱ ᴀ ᴘᴇʀɪᴏᴅ. ᴛʜᴇ ᴠᴀʟᴜᴇ ᴏꜰ ᴛʜᴇ ᴘʀɪɴᴄɪᴘᴀʟ Qᴜᴀɴᴛᴜᴍ ɴᴜᴍʙᴇʀ, ᴛʜᴀᴛ ɪꜱ ɴ ɪꜱ ɪɴᴄʀᴇᴍᴇɴᴛᴇᴅ ʙʏ 1 ᴀꜱ ᴡᴇ ᴛʀᴀᴠᴇʀꜱᴇ ᴀᴄʀᴏꜱꜱ ᴀ ᴘᴇʀɪᴏᴅ.

Explanation:

☞￣ᴥ￣☞ ᎻϴᏢᎬ ᎷᎽ ᎪΝՏᏔᎬᎡ ᏆՏ ᎻᎬᏞᏢҒႮᏞ ҒϴᎡ ᎽϴႮ(◕ᴗ◕✿)