Question

please answer me fastly this 2 questions​

Answer 1

41. (1) ᴘᴀᴜʟɪɴɢ's sᴄᴀʟᴇ..........

42. (2) ᴄʀʏsᴛᴀʟ ʀᴀᴅɪᴜs........

Answer 2

Answer:

answer of question no 42 is option second crystal radius because half of the internuclear distance between adjacent atoms of solid mettalic crystal .

Hope you understand