1. Sehir çöplüklerindeki metal atıklar diğer atıklardan nasıl aynisterulur? 2. Zeytinyağı-su, şeker-su, tuz-su, saman-kum, un-pirinç karışımlardan birini ayırmak iz
ne yaparsınız?​

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.

Can someone me with these questions plz.

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?