Silicon has three isotopes: Silicon-28, Silicon-29, and Silicon-30. Which isotope is the most abundant given that the atomic mass of Silicon is 28.086 amu? A. Silicon-28 B. Silicon-29 C. Silicon-30 D. There is not enough information 19 10 18 10

You have a 1kg mass of each of elements A and B. Element A has a higher atomic mass than element B. Which of these is true? a. None of the others. b. A has more atoms than B. c. They have the same number of atoms, d. You cannot say with the information provided. e. B has more atoms vthan A.

3. Carbon-14 is an isotope: A. it has the same number of protons and electrons as Carbon-12, but a different number of neutrons B. It has the same number of protons and neutrons as Carbon-12, but a different number of electrons. C. it has a different number of protons thanCarbon-12 D. it is not an isotope of Carbon-12 4. The atomic number is equivalent to which of the following? A. The number of nucleons in the atom. B. The number of protons in the atom. C. The number of neutrons in the atom. D. None of the above.

1. Use the periodic table in the lecture to fill in the missing information regarding carbon in the table below: 6. Carbon 12.011 Element Atomic number Mass number # of protons # of electrons # of neutrons Carbon a 梦 0 hp Architectu