Periodic Table Basics
Light and Energy
Electron Configuration
Periodic Trends
VSEPR
100
Its mass is smaller than a proton, and its charge is opposite that of a proton
What is an electron?
100
In the Bohr model of the atom, when electrons in an excited state fall to a lower energy level, energy in the form of light is .....
What is released?
100
The element with the configuration 1s^(2)2s^(2)2p^(4)
What is carbon?
100
Atomic radius across a period follows this trend
What is decreases from left to right?
100
The molecular shape of water
What is bent?
200
Elements in the same group of the periodic table have the same number of these.
What are valence electrons?
200
Light with a wavelength of 600 nm is in the ________ range
What is visible?
200
The electron configuration [Ar]4s(^2)4d(^10)4p(^3) violates this rule
What is the Aufbau rule?
200
Ionization energy down a group follows this trend
What is decreases from top to bottom?
200
The most polar of the following molecules: NH3, CH4, Br2, CCl4
What is NH3?
300
Mendeleev organized the periodic table based on this.
What is increasing atomic mass?
300
The energy of a photon of light is directly proportional to its ...
What is frequency?
300
The maximum number of electrons in a p sublevel
What is 6
300
This explanation is often used to explain periodic trends within a group
What is electron shielding?
300
The bond with the highest polarity out of H-Cl, H-F, H-O, H-N
What is H-F?
400
This quantity tells you the number of protons in an atom.
What is the atomic number?
400
The portion of the electromagnetic spectrum with the highest frequency
What is gamma radiation?
400
An atom that obeys the octet rule has the same electron configuration as this
What is the nearest noble gas?
400
This explanation is usually used to explain periodic trends across a period
What is effective nuclear charge?
400
The shape that describes the carbon dioxide molecule
What is linear?
500
All metal elements form ions by ____________ and the resulting ions are called ___________.
What is losing electrons/cations?
500
A photon of light with a wavelength of 450 nanometers has a frequency of ... (you need a calculator for this!)
What is 6.67 x 10^14 Hz?
500
The electron configurations for copper, gold, and silver are exceptions to the general rules. These elements are different because
What is: their highest s sublevel is half-filled, while their highest d sublevel is completely filled?
500
The element in group 1 with the highest metallic character (reactivity)
What is francium?
500
The bond angles in carbon tetrachloride
What is 109.5 degrees?
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