LRA 211 Final Review Part 2 Exam
Questions and Answers14
Smallest unit of measurement, basic building block of matter. - ANSWERS-atom
is also a measure of the amount of energy necessary to split an atom (break it apart) -
ANSWERS-Binding energy
An atom has defined energy levels, each at a different distance from the nucleus called -
ANSWERS-Electron shells
______ of an atom refers to the number of protons it contains in its nucleus - ANSWERS-The
atomic number
is the number of protons and neutrons an atom has in its nucleus - ANSWERS-The atomic mass
number
_______ are the simplest forms of substances that compose matter - ANSWERS-Elements
Two or more atoms bonded together form a - ANSWERS-molecule
combinations of elements bonded together. - ANSWERS-chemical compounds
refers to elements whose atoms have the same number of protons but a different number of
neutrons. - ANSWERS-isotope
, refers to elements whose atoms have the same number of neutrons but a different number of
protons. - ANSWERS-isotone
Atoms in each period have the same number of - ANSWERS-electron shells
Atoms in each group have the same number of ______ in the outermost shell - ANSWERS-
electrons
is based on two atoms sharing electrons that then orbit both nuclei - ANSWERS-Covalent
bonding
is based on the attraction of opposing charges. - ANSWERS-Ionic bonding
is very similar in that it has no mass, carries energy in waves as electric and magnetic
disturbances in space, and travels at the speed of light - ANSWERS-electromagnetic radiation
Electromagnetic radiation is a form of energy that originates from the - ANSWERS-atom
refers to the maximum height of a wave. - ANSWERS-The amplitude
refers to the number of waves that pass a given point per second - ANSWERS-Frequency
used to calculate the change in the intensity (quantity) of radiation reaching the image receptor
with changes in distance. - ANSWERS-inverse square law
is a general term for the process by which an atom with excess energy in its nucleus emits
particles and energy to regain stability. - ANSWERS-Radioactivity
Questions and Answers14
Smallest unit of measurement, basic building block of matter. - ANSWERS-atom
is also a measure of the amount of energy necessary to split an atom (break it apart) -
ANSWERS-Binding energy
An atom has defined energy levels, each at a different distance from the nucleus called -
ANSWERS-Electron shells
______ of an atom refers to the number of protons it contains in its nucleus - ANSWERS-The
atomic number
is the number of protons and neutrons an atom has in its nucleus - ANSWERS-The atomic mass
number
_______ are the simplest forms of substances that compose matter - ANSWERS-Elements
Two or more atoms bonded together form a - ANSWERS-molecule
combinations of elements bonded together. - ANSWERS-chemical compounds
refers to elements whose atoms have the same number of protons but a different number of
neutrons. - ANSWERS-isotope
, refers to elements whose atoms have the same number of neutrons but a different number of
protons. - ANSWERS-isotone
Atoms in each period have the same number of - ANSWERS-electron shells
Atoms in each group have the same number of ______ in the outermost shell - ANSWERS-
electrons
is based on two atoms sharing electrons that then orbit both nuclei - ANSWERS-Covalent
bonding
is based on the attraction of opposing charges. - ANSWERS-Ionic bonding
is very similar in that it has no mass, carries energy in waves as electric and magnetic
disturbances in space, and travels at the speed of light - ANSWERS-electromagnetic radiation
Electromagnetic radiation is a form of energy that originates from the - ANSWERS-atom
refers to the maximum height of a wave. - ANSWERS-The amplitude
refers to the number of waves that pass a given point per second - ANSWERS-Frequency
used to calculate the change in the intensity (quantity) of radiation reaching the image receptor
with changes in distance. - ANSWERS-inverse square law
is a general term for the process by which an atom with excess energy in its nucleus emits
particles and energy to regain stability. - ANSWERS-Radioactivity
