Unit 1
Electron Configuration
Atomic Theory
Formulas and Bonding
Radioactivity
100
Name this piece of lab equipment.
What is pipe-stem triangle?
100
Method of transferring energy.
What is wave?
100
Has a mass of 1 atomic mass unit, and has no charge.
What is neutron?
100
A force that holds two or more atoms together.
What is bond?
100
Nuclear decay that is always 2 protons, 2 neutrons, and becomes a different element that's not radioactive.
What is alpha decay?
200
The act of purifying a liquid by a process of heating and cooling.
What is distillation?
200
The position and momentum of a moving object cannot simultaneously be measured exactly.
What is Heisenberg Uncertainty Principle?
200
Created the model "Indestructible Ball".
Who is John Dalton?
200
Bond formed by electromagnetic attraction of two oppositely charged ions.
What is ionic bond?
200
Force in nature that acts between electric charges and magnetic fields.
What is electromagnetic force?
300
Name this piece of lab equipment.
What is Florence flask?
300
A three-dimensional region in space where the electron is located 90% of the time.
What is atomic orbital?
300
Atoms with the same number of protons, but different number of neutrons.
What are Isotopes?
300
Find the meaning of Zeff in this pull equation.
Zeff = Z-S
What is effective nuclear charge?
300
Nuclear decay that involves an electron being launched out from nucleus. Neutron becomes proton.
What is beta decay?
400
The process of separating a solid from a liquid using a porous barrier.
What is filtration?
400
Write the condensed electron configuration for Lead.
What is [Xe]6s^2 4f^14 6p^2?
400
Determined the charge of an electron using the oil-drop apparatus.
Who is Robert Millikan?
400
Name this rule:
Atoms tend to gain, lose, or share electrons in order to acquire a full set of valence electrons.
What is Octet Rule?
400
Discovered radioactivity, one of them named it radioactivity because they had been working on radium.
Who are Marie and Pierre Curie?
500
The separation of a mixture by passing it through a medium in which the components move at different rates.
What is chromatography?
500
ml=−l,(−l+1),(−l+2),…,−2,−1,0,1,2,…(l–1),(l–2),+l
What is magnetic quantum number?
500
When two elements react to form more than one substance and the same amount of one element(like oxygen) is used in each substance, then the ratio of the masses used of the element will be in small whole numbers.
What is the Law of Multiple Proportions?
500
Name the exceptions to the Octet Rule.
What are Odd Number of Electrons, and Too Many Electrons?
500
Force in nature limited to atomic nucleus, causes unstable particles and nuclei to decay.
What is weak nuclear force?