The location in the atom where the protons and neutrons are found.
The nucleus
The element located in group 12, period 4.
Zinc (Zn)
In trend in atomic size.
Atomic Radius
A chemical rule of thumb that states that all atoms tend to bond in such a way that each atom has 8 valence electrons in its outer shell.
The octet rule
The weakest intermolecular force that is the result of the movement of electrons creating a temporary dipole.
London Dispersion Forces (LDF)
The atomic number details the exact number of these particles within the atom.
Protons
The name used to identify all Group 1 elements.
Alkali Metals
The amount of energy required to remove an electron from the outermost energy level of an atom.
Ionization Energy
A bond formed between a cation and an anion.
Ionic bond
The section of the graph in which a liquid exists.
The number of neutrons in an atom of Potassium-39.
19
The group on the periodic table in which all elements in that group have 7 valence electrons.
Halogens
Rank the following atoms in order of increasing (smallest --> largest) atomic radius.
Ga, Br, Ti, Ca, K
K, Ca, Ti, Ga, Br
When two covalently bonded atoms share electrons unequally, the bond is said to be....
Polar
A substance whose shape and volume does not change.
Solid
Carbon-12, Carbon-13 and Carbon-14 are examples of...
Isotopes
Cations
Which of the two elements has a higher ionization energy?
Oxygen or Nitrogen
Oxygen (O)
The shape of this molecule
Tetrahedral
Increases
Silicon exists as 3 different isotopes: Silicon-28, Silicon-29 and Silicon-30. Which is the most abundant isotope?
Silicon-28
The most abundant classification of element on the periodic table.
Metals
The reason that atomic radius decreases from left to right across a period.
Effective nuclear charge
(# of protons increases, increasing the attraction towards the nucleus)
Determine the polarity of the following molecule:
Polar
Which of the following molecules DOES NOT have hydrogen bonding?
Structure 1