Question

define :(a) atomic mass unit , (b) atomic mass, and (c) gram-atomic mass​

Answer 1

ᴀ) ᴀɴ ᴀᴛᴏᴍɪᴄ ᴍᴀss ᴜɴɪᴛ ɪs ᴅᴇғɪɴᴇᴅ ᴀs ᴀ ᴍᴀss ᴇϙᴜᴀʟ ᴛᴏ ᴏɴᴇ ᴛᴡᴇʟғᴛʜ ᴛʜᴇ ᴍᴀss ᴏғ ᴀɴ ᴀᴛᴏᴍ ᴏғ ᴄᴀʀʙᴏɴ-12. ᴛʜᴇ ᴍᴀss ᴏғ ᴀɴ ᴀᴛᴏᴍ ɪs ᴀғғᴇᴄᴛᴇᴅ ʙʏ ᴛʜᴇ ɪɴᴛᴇʀᴀᴄᴛɪᴏɴs ᴏғ ᴘᴀʀᴛɪᴄʟᴇs ᴡɪᴛʜɪɴ ᴛʜᴇ ɴᴜᴄʟᴇᴜs.

ʙ) ᴛʜᴇ ᴀᴛᴏᴍɪᴄ ᴍᴀss ᴏғ ᴀ sɪɴɢʟᴇ ᴀᴛᴏᴍ ɪs sɪᴍᴘʟʏ ɪᴛs ᴛᴏᴛᴀʟ ᴍᴀss ᴀɴᴅ ɪs ᴛʏᴘɪᴄᴀʟʟʏ ᴇxᴘʀᴇssᴇᴅ ɪɴ ᴀᴛᴏᴍɪᴄ ᴍᴀss ᴜɴɪᴛs ᴏʀ ᴀᴍᴜ. ʙʏ ᴅᴇғɪɴɪᴛɪᴏɴ, ᴀɴ ᴀᴛᴏᴍ ᴏғ ᴄᴀʀʙᴏɴ ᴡɪᴛʜ sɪx ɴᴇᴜᴛʀᴏɴs, ᴄᴀʀʙᴏɴ-12, ʜᴀs ᴀɴ ᴀᴛᴏᴍɪᴄ ᴍᴀss ᴏғ 12 ᴀᴍᴜ.

ᴄ) ɢʀᴀᴍ ᴀᴛᴏᴍɪᴄ ᴍᴀss(ᴡᴇɪɢʜᴛ) ᴏғ ᴀɴ ᴇʟᴇᴍᴇɴᴛ ɪs ᴛʜᴇ ᴍᴀss ᴏғ ᴀᴠᴏɢᴀᴅʀᴏ ɴᴜᴍʙᴇʀ ( 6.023 x 1023 ) ᴏғ ᴀᴛᴏᴍs ᴏғ ᴛʜᴀᴛ ᴇʟᴇᴍᴇɴᴛs ɪɴ ɢʀᴀᴍs.” ᴇx – ᴍᴀss ᴏғ 1 ᴀᴛᴏᴍ ᴏғ ᴏxʏɢᴇɴ = 16 ᴀᴍᴜ = 16 x 1.66 x 10-24 ɢᴍ. ᴍᴀss ᴏғ 6.023 x 1023 ᴀᴛᴏᴍs ᴏғ ᴏxʏɢᴇɴ= 16 x 6.023 x 1023 x 1.66 x 10-24 = 16 ɢᴍ.

Answer 2

Answer:

hi dear the answer will be

Explanation:

i atomic mass unit is a unit of mass widely used in Physics and chemistry.

ii atomis mass is the mass of an atom Although the si untit of mass is kilogram

iii The of one mok of an element equal in grams of the atomics weight is called gram atomic