General, Organic and Biochemistry notes

Chapter 2: The Structure of the Atom and the Periodic Table 1. What are the three primary particles found in an atom? A) neutron, positron, and electron B) electron, neutron, and proton C) electron, proton, and nucleon D) positron, electron, and nucleon E) proton, electron, and neutrino Ans: B 2. What is the value of the mass number in the isotope 131 53I? A) 53 B) 78 C) 126.9 D) 131 E) 184 Ans: D 3. What term is used to describe atoms of the same element that have different mass...

Chapter 2: The Structure of the Atom and the Periodic Table 1. What are the three primary particles found in an atom? A) neutron, positron, and electron B) electron, neutron, and proton C) electron, proton, and nucleon D) positron, electron, and nucleon E) proton, electron, and neutrino Ans: B 2. What is the value of the mass number in the isotope 131 53I? A) 53 B) 78 C) 126.9 D) 131 E) 184 Ans: D 3. What term is used to describe atoms of the same element that have different mass...

Chapter 2: The Structure of the Atom and the Periodic Table 1. What are the three primary particles found in an atom? A) neutron, positron, and electron B) electron, neutron, and proton C) electron, proton, and nucleon D) positron, electron, and nucleon E) proton, electron, and neutrino Ans: B 2. What is the value of the mass number in the isotope 131 53I? A) 53 B) 78 C) 126.9 D) 131 E) 184 Ans: D 3. What term is used to describe atoms of the same element that have different mass...

Chapter 2: The Structure of the Atom and the Periodic Table 1. What are the three primary particles found in an atom? A) neutron, positron, and electron B) electron, neutron, and proton C) electron, proton, and nucleon D) positron, electron, and nucleon E) proton, electron, and neutrino Ans: B 2. What is the value of the mass number in the isotope 131 53I? A) 53 B) 78 C) 126.9 D) 131 E) 184 Ans: D 3. What term is used to describe atoms of the same element that have different mass...