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Physics
| Question | Answer |
|---|---|
| the force of attraction between the nucleus and an orbital electron is called the electrons | binding energy |
| the schematic display most often employed to represent the structure of the atom was developed by | Neils bohr |
| the chemo al properties of an atom are primarily controlled by its | valence number |
| the orderly arrangement of the element by their atomic number and chemical properties is found in a/an | periodic table |
| the principle unit of energy measurement on the atomic scale is the | electron volt |
| the atomic number of the atom is determined by those particles that have an atomic mass unit of 1 and a single positive charge called | protons |
| the majority of the mass of the nucleus is derived from | protons and neutrons |
| an atom that loses an orbital electron from the electrical influence of the nucleus has undergone | ionization |
| the number of outer shell electrons is known as the | valence |
| in the symbol c the number in the lower left hand corner indicates the | atomic number |
| in the previous question the number in the upper left hand corner indicates the | mass number |
| a neutral atom that loses an electron by ionization is termed a | positive ion |
| the smallest division of a substance possessing the chemical and physical properties of the substance as a whole is called a/an | molecule |
| the tiny particles possessing a negative charge of 1.6x 10^-19 coulombs that orbit the nucleus of an atom are termed | electrons |
| the centralized portion of an atom the nucleus is primarily composed of particles called the 1. neutrons 2. electrons 3 protons | 1 and 3 3 only |
| the photon produced during the orbital transition of electrons from a higher to lower energy are termed | characteristics radiation |
| the formula Zn ^2 is used to calculate | maximum number of electrons in an orbital shell |
| the atomic mass of an atom can be estimated by adding the atomic masses of the 1. protons 2. neutrons 3 elctrons | 1 and 2 |
| the highest bonding energy of an atom is found in the electrons---- level first energy orbital 2 second energy orbital 3 third energy orbital | 1 only |
| a given atom has the following binding energies k-shell 1000 eV L-shell -70 eV M shell 10 eV during a M-L transition the photon energy emitted will be | 60 eV |
| the chemical bond formed when two or more atoms share electrons is termed | covalent bonding |
| the interconvertability of mass and energy first proposed by Einstein is expressed by the equation | e=mc^2 |
| the octet rule states that the most chemically stable atoms have an outer shell configuration with | eight electrons |
| the natural state of matter with the highest energy due to the movement of atoms is the | gaseous state |
| about 99% of the atoms mass is located within the | nucleus |
| ionization of an atom may occur from exposing the atom to 1 heat 2 amount of protons 3 electron to nucleus distance | 2 and 3 only |
| which of the following atoms would posses the highest binding energy for its k shell electron | 126 I 53 |
| an atom that has seven outer shell orbital electrons belongs to a group of elements known as | halogens |
| two or more chemicals with the same chemical formula but having different chemical properties are termed | isomers |
| the formation of molecules can be accomplished through the interaction of valence electrons by a process termed | ionic bonding and covalent bonding |
| the mass of a orbital electron is about | 1/2000 |
| which of the following is true concerning the K-shell electrons of two different atoms | the elctron binding energy is characteristic of each atom |
| in a neutral atom the electrical neutrality is achieved by maintaining a balance between the | protons and electrons |
| the atomic particle which has a weight of 1 amu and carries no charge is called a /an | neutron |
| the vertical column of the periodic table contain groups of elements related by the same | valence number |
| the physical state of matter is related to the degree of molecular attraction which state corresponds to the highest degree of molecular attraction | solid |
| a neutral atom that gains an electron will have a | negative charge |
| the chemical bonding of two atoms by the transfer of an electron is a form of | ionic bonding |
| characteristic radiation emission occurs when | electrons move from higher to lower orbital shells |
| the mass energy equivalent value for an electron is | .511 MeV |
| an electron with the lowest binding energy is most likely located in the | M shell |
| which of the three fundamental particles has the lowest atomic mass | electron |
| the most chemically stable elements have a filled outer shell configuration are termed | Nobel gasses |
| the physical characteristics of the atom are controlled by the atoms | atomic number |
| the stability of a nulls is highly dependent upon the | N/P ratio of the nucleus |
| the nuclear particle possessing a single positive charge with a mass of 1.67 x 10 ^24 grams is termed the | proton |
| the term applied to the raising of an electron to a higher energy orbit within a given atom is called | excitation |
| the maximum number of inner or k shell electrons in any atom is | 2 |
| the smallest part of an element that retains all the characteristics properties of that element in bulk is called a | atom |
| the following atoms are 12 13 14 C C C 6 6 6 | isotopes |
| in the three elements above which will have similar chemical properties 1 lithium 2 sodium 3 chlorine | 1 and 2 |
| the principle force involved with nuclear binding is the | strong force |
| which of the following is a decay process by which an unstable nucleus tries to become stable 1 alpha decay 2. beta decay 3 positron decay | 1, 2, 3 |
| atoms with different types of nuclear configurations are termed | nuclides |
| the term used to describe the process in which light nuclei combine to form a heavier nucleus is | fusion |
Created by:
Hstine86