Learning: Module 1: Section 2_01-2_02
Which of the following is true concerning mass number? - CORRECT
ANSWER-Using mass number notation, we can identify the number of protons,
electrons, and neutrons.
Which statement is incorrect concerning radioisotopes? - CORRECT
ANSWER-Ionizing radiation damages tissue by directly damaging organic
molecules.
Which statement concerning elements is true? - CORRECT ANSWER-Each element
is composed of more or less identical particles or building blocks, called atoms.
Which is true concerning atomic weight? - CORRECT ANSWER-Atomic weight is
the average of the mass numbers of all the isotopes of an element.
Which of the following is not one of the four basic elements that comprise
approximately 96% of a human's body weight? - CORRECT ANSWER-Potassium
Which of the following is true of an isotope? - CORRECT ANSWER-Isotopes have
the same number of protons, but differ in the number of neutrons they contain.
Which of the following is true concerning atomic number? - CORRECT
ANSWER-The atomic number of any atom is equal to the number of protons in its
nucleus.
On the image, indicate where most of the mass of the atom is. - CORRECT
ANSWER-B (protons) and C (neutrons)
On the image, indicate which part of the atom is negatively charged? - CORRECT
ANSWER-A (electrons)
Which of the following statements about kinetic energy is incorrect? - CORRECT
ANSWER-It is a type of stored energy.
Which form of energy is the most useful form of energy in living systems? -
CORRECT ANSWER-Chemical
With regards to isotopes, which of the following atomic structures is impossible? -
CORRECT ANSWER-B
Which subatomic particles are equal in atomic mass? - CORRECT
ANSWER-Protons and neutrons
Which of the following is true concerning mass number? - CORRECT
ANSWER-Using mass number notation, we can identify the number of protons,
electrons, and neutrons.
Which statement is incorrect concerning radioisotopes? - CORRECT
ANSWER-Ionizing radiation damages tissue by directly damaging organic
molecules.
Which statement concerning elements is true? - CORRECT ANSWER-Each element
is composed of more or less identical particles or building blocks, called atoms.
Which is true concerning atomic weight? - CORRECT ANSWER-Atomic weight is
the average of the mass numbers of all the isotopes of an element.
Which of the following is not one of the four basic elements that comprise
approximately 96% of a human's body weight? - CORRECT ANSWER-Potassium
Which of the following is true of an isotope? - CORRECT ANSWER-Isotopes have
the same number of protons, but differ in the number of neutrons they contain.
Which of the following is true concerning atomic number? - CORRECT
ANSWER-The atomic number of any atom is equal to the number of protons in its
nucleus.
On the image, indicate where most of the mass of the atom is. - CORRECT
ANSWER-B (protons) and C (neutrons)
On the image, indicate which part of the atom is negatively charged? - CORRECT
ANSWER-A (electrons)
Which of the following statements about kinetic energy is incorrect? - CORRECT
ANSWER-It is a type of stored energy.
Which form of energy is the most useful form of energy in living systems? -
CORRECT ANSWER-Chemical
With regards to isotopes, which of the following atomic structures is impossible? -
CORRECT ANSWER-B
Which subatomic particles are equal in atomic mass? - CORRECT
ANSWER-Protons and neutrons
