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Chemistry Unit 2 Test Review
Terms in this set (45)
How does the energy of an electron change when the electron moves closer to the nucleus?
What is the maximum number of "f" orbitals in any single energy level in an atom?
What is the maximum number of electrons in the second principal energy level?
When an electron moves from a lower to a higher energy level, the electron...
Absorbs a quantum of energy
The letter "p" in the symbol 4p^3 indicates the...
If the spin of one electron in an orbital is clockwise, what is the spin of the other electron in that orbital?
What is the next atomic orbital in the series 1s, 2s, 3s, 3p?
What is the number of electrons in the outermost energy level of an oxygen atom?
If three electrons are available to fill three empty 2p atomic orbitals, how will the electrons be distributed in the three orbitals?
One electron in each orbital
How does the speed of visible light compare with the speed of gamma rays, when both speeds are measured in a vacuum
The speeds are the same
Which color of visible light has the shortest wavelength?
Which of the following electromagnetic waves have the highest frequencies?
How are the frequency and wavelength of light related?
They are inversely proportional to each other
Emission of light from an atom occurs when an electron
Drops from a higher to a lower energy level
As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit
The quantum mechanical model of the atom
Involves the probability of finding an electron in a certain position
Which of the following elements is in the same period as phosphorous?
The modern periodic table is arranged in order of increasing atomic...
Who arranged the elements according to atomic mass and used the arrangement to predict the properties of missing elements?
Which of the following categories includes the majority of the elements?
To what category of elements does an element belong if it's a poor conductor of electricity?
Which of the following elements is a transition metal?
Which of the following groupings contains only representative elements?
Al, Mg, Li
How does the radius change from top to bottom in a group in the periodic table?
It tends to increase
How does atomic radius change from left to right across a period in the periodic table?
It tends to decrease
What is the charge of a cation?
A positive charge
Which of the following statements is true about ions?
Actions form when an atoms loses electrons
What is the element with the highest electronegativity value?
Which of the following elements has the smallest first ionization energy?
One-half the distance between the nuclei of two atoms when the atoms are joined
ability of an atom to attract electrons when the atom is in a compound
Energy required to remove an electron from an atom
States the impossibility of knowing both velocity and position of a moving particle at the same time
Heisenberg uncertainty principle
Lowest energy level
Tendency of electrons to enter orbitals of lowest energy first
Arrangement of electrons around atomic nucleus
Each orbital has at most two electrons
Pauli exclusion principle
Discrete bundle of electromagnetic energy
Energy needed to move an electron from one energy level to another
Number of wave cycles passing a point per unit of time
Distance between wave crests
Separation of light into different wavelengths
Which group of elements in the periodic table is known as the alkali metals?
Which group in the periodic table is known as the noble gases?
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