Electrons occupy energy levels with the lowest energy first.
100
Describe how the valence electrons behave in a covalent bond.
shared equally
100
An atom in the gas phase and energy is inputed into the atom to lose an electron. What is this energy properly termed?
ionization energy
100
This type of force involves the attraction between the opposite paritial charges from polar molecules. (best possible answer)
dipole-dipole
100
What are the elements in group 1A named?
alkali metals
200
Which principle states that 2 electrons in the same energy level must have opposite spins?
Pali exclusion
200
During the creation of an ionic bond an atom that _________ electrons easily reacts with an atom that has a high affinity for electrons.
loses or give away
200
A cation is _________ than its parent atom.
smaller
200
Water freezes at what temperature?
0 deg. C
200
Describe the malleability of nonmetals.
not malleable/brittle
300
According to ________ ______ electrons that occupy orbitals of the same energy will have the maximum number of electrons with the same spin.
Hund's rule
300
Polar covalent bonds involves atoms with partial (+ and -) charges due to what?
electrons unequally shared
300
The organization of ions is described as the larger spheres packed together and _______ ions in the spaces among them.
small or cations
300
This intermolecular interaction starts off nonpolar molecules. The attraction is created when a molecule has an instantaneous dipole, which soon after induces another molecule to create a dipole.
London dispersion.
300
Which group of elements are not the best conductors of electricity, but are still able to conduct electricity?
metalloids/semimetals
400
Write the electron configuration for chlorine
1s2 2s2 2p6 3s2 3p5
400
What type of bond sodium and oxygen atom have if they bonded together?
ionic
400
Describe a polyatomic ion.
Charges species with several atoms
400
A molecule with strong intermolecular interactions will have a _____________ boiling point.
high
400
Which metals tarnish easily and have a silver color?
lanthanides
500
Write the shortcut configuration for cerium.
[Xe] 6s2 5d1 4f1
500
Draw the lewis dot structure between C2H2
H:C:::C:H
500
Write the compound formula for a compound with Ca2+ and NO3- ions.
Ca(NO3)2
500
The density of water in the solid phase is ________________ than the density of water in the liquid phase.
lower
500
Which group of elements have a high melting point and boiling point?