Substance Atomic Mass (u) Density (103 Kg m-3)
Carbon (diamond) 12.01 2.22
Gold 197.00 19.32
Nitrogen (liquid) 14.01 1.00
Lithium 6.94 0.53
Fluorine (liquid) 19.00 1.14
DONT TOUCH PEN, ONLY MIND CALCULATIONS WITHIN 40 SECS. REGULAR SPEED TEST. QUALITY STUDY MATERIALS. DEDICATED FACULTIES. ASSURANCE FOR SUCCESS.