Coordinated Science: Chem Test 1 Review Sheet
Equations
Notation
Vocabulary
Questions
element
(s)
List five things that are matter, 5 that are not. Justify your answers.
atom
(l)
What does LiBr (aq) mean, and how would it be made?
compound
(g)
What elements are in H2CO3, and how many atoms of each?
proton
(aq)
Just from a chemical formula, how can you determine how many
different elements are in a compound? Give examples.
electron
neutron
Atomic # = p+ = e-
What charge do protons, neutrons and electrons have?
nucleus
atomic symbol
# protons
# electrons
# neutrons
mass = p+ + n
aqueous
mass
AMU
charge
positive / negative
neutral
atomic mass (unit)
solid sphere model
plum pudding model
nuclear model
simple atomic model
Rutherford experiment
What do elements in the same P-Table Group have in common?
What elements have similar properties to Chlorine?
chemical symbol
chemical formula
(H2O, MgF2)
What was Rutherford’s gold foil experiment and what did it show
us about the structure of the atom?
noble gas
reactivity
Highly reactive elements?
For each of the elements S, Na, Rb and Xn, identify the following
from its periodic table location: high/low atomic mass and
number, reactivity, group and period number, phase at room
temperature, metal/nonmetal/etc, and what other elements it
will react like.
non-metal
metalloid
High and low mass elements?
What group are the noble gases in, and what is special about them?
period
metal
Metals? Non-metals? Noble gases? Metalloids? Gases?
Based on what two properties was the Periodic Table arranged?
periodic table
group
Contrast the terms atom, element and compound.
Where on the periodic table do you find:
liquid
gas
What is the overall charge on the nucleus?
What mass do protons, neutrons and electrons have?
chemical formula
solid
Where are protons, neutrons and electrons in the atom?
Draw and label a simple atomic model for Boron, labeling protons,
neutrons and electrons and nucleus.
What is the atomic number defined as?
What are the mass and charge of a proton? Neutron? Electron?
What numbers must be the same as the number of protons in a
neutral atom?
Give the name, chemical symbol, atomic number, atomic mass, and
the number of protons, electrons and neutrons in the
following: Scandium, Ag, atomic #14, element with 7
protons, element with 25 electrons, element with mass of
126.9 amu