Physical Science 1112 Test
Know the answers for the incomplete periodic table on the last page of the Self Test
#'s 69-79
proton
H+
sulfuric acid
H2SO4
hydronium
H3O+
hydrochloric acid
HCl
sodium hydroxide
NaOH
hydroxide
OH-
_______ are determined by the position and direction of the electron's movement within its sublevel.
Orbitals
_________ are ionically bonded atoms that remain bonded throughout chemical reactions.
Radicals
sulfate
SO4
________ are the different patterns of the orbits within each energy level.
Sublevels
indicates a gas given off
^
An atom with valences of +5 and -3 will _____ three electrons or _____ five electrons during chemical reactions.
accept....donate
Turns blue litmus paper red
acid
corrosive
acid
donates protons during reactions
acid
A/An _______ has a negative charge.
anion
A/An _________ bond is one formed by two neutrally charged atoms that share electrons.
covalent
NH4OH -> NH3 + H2O
decomposition reaction
K2SO4 + 2NaCl --> 2KCl + Na2SO4
double substitution reaction
HNO3 + CsOH --> KCl
double substitution reaction, neutralization reaction
In the electron configuration 3s2, the number 3 indicates the ______: the letter s the ______; and the superscript 2 the number of _______ in that sublevel.
energy level..sublevel....electrons
Electrons orbit the nucleus of an atom in orbits called ________
energy levels
A/An ________ is any atom that has gained or lost one or more electrons.
ion
A/An _______ bond is one formed between a cation and an anion.
ionic
The energy levels farthest from the atom's nucleus contain _____ energy than those nearest the nucleus.
more
The first four sublevels are ______, _____, ______, and ______.
s...p...d...f
2K + Na2CO3 --> K2CO3 + 2Na
single substitution reaction
A _______ atom is one with a completely filled outer level and one that does not easily bond with other elements.
stable
H2 + Cl2 --> 2HCl
synthesis reaction
direction of reaction
→
Each orbital may contain no more than ________ electrons.
2
_______ are substances that cause or increase the rate of a chemical reaction but are not changed by the reaction.
Catalysts
accepts protons during reactions
base
turns red litmus paper blue
base
A/An ______ has a positive charge.
cation
