CHM 1020 Final Exam | Questions and Correct Answers | Latest Update 2024/2025 | Graded A+

CHM 1020 Final Exam | Questions and Correct Answers | Latest Update 2024/2025 | Graded A+ Oxidation and reduction of atoms involves a change in the number of ________ in the atom. - Answer -Electrons Which squares contain mixtures? - Answer -III (two white's together and 3 darks separated) and IV (4 strands all together, 2 with whites and darks, 2 with just whites) only Which corresponds to the composition of the ion typically formed by magnesium? #protons #electrons net charge A. 12 14 2+ B. 12 14 2- C. 12 14 2- D. 12 10 2+ - Answer -DWhich substance is an element? - Answer -N2 What distinguishes the atoms of one element from another? - Answer - The number of protons Which country is the world's leading producer of rare earth elements? - Answer -China What type of material is defined as having a well-ordered atomic structure? - Answer -Crystalline One of the lightest smartphones on the market today weighs 113 g. To protect your phone, you may want to use a screen protector, which weighs 27.2 g, and a heavy duty phone case, which weighs 114 g. What is the total weight of the p