Unit 1
Flammability is a ________ property?
Chemical
An isotope is?
A form of the element wherein the number of the protons and electrons are the same, but the neutron count is different.
Wavelength is ________ proportional to frequency.
indirectly
You add what to the ending of nonmetals in Ionic compounds?
ide
The prefix for 7 is:
Hepta
A physical property is one which _____________.
Can be observed without changing the identity of the object.
Avogadro's number is?
6.022*1023
An alpha particle is composed of?
Two protons and two neutrons
What is the only Polyatomic with a positive charge?
Ammonium
The only time when a prefix is not applied to a covalent compound's name is?
When there is only one of the first element
The columns of the periodic table are called?
Families or Groups
When calculating for significant figure when doing addition problems, you look for?
The least number of decimals.
As you go up and to the right of the periodic table, the atomic radius _________.
Decreases
The name of SnO2 is?
Br5P2
Pentabromine diphosphide
A heterogeneous mixture is?
A mixture where the composition is not uniform, you can tell the difference between the parts.
JJ Thompson's famous model is the
Plum Pudding Model
People used to build concrete bunkers a dozen feet of concrete deep to survive this type of radiation.
Gamma radiation
What are three unique properties of Metallic Bonds?
Luster, ductile, malleable
The 3D Shape of NH3 is
Triangular Pyramidal
The most effective way to seperate a homogeneous mixture, without causing any heat damage to either liquid, is?
The Centrifuge
How did the Gold Foil experiment prove the existence of the empty space within the atom?
The alpha particles passing through the gold foil
What is wrong with the following electron configuration? 1s22s22p73s13p74s23d7
It should be 2p6 and 3p6
Name and describe the different types of bonding
Ionic Transfer of electrons
Covalent, the sharing of electrons
Metallic, the Sea of electrons, allowing for the free flow of electrons.
Which 3D shapes will always be polar?
Bent and Trigonal Pyramidal