Trong tự nhiên Inđi có 2 đồng vị bền . Đồng vị 113In chiếm 4,3% . Nguyên tử khối trung bình của Inđi là 114,914 . Tìm số khối của đồng vị thứ 2 .

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

Draw the structure for 5-isopropyl-2-methyl-3-nonene

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.