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Atom Review
1. What are the 3 subatomic particles?
2. What atom is the amu based on?
3. What is located in the nucleus of the
atom?
4. What is the nuclear charge (the charge
on an atom’s nucleus)?
5. Where in the atoms are e- found?
6. What is the atom mostly made of?
Atom Review
7. For each of the subatomic particles, give
Mass
Proton
Neutron
electron
Charge
Location
Atom review
8. What is an ion?
9. Name the 2 kinds of ions
10. What is an isotope?
Atom Review
11. What information does the atomic
number of an element tell you?
12. What 2 subatomic particles give the atom
most of it’s mass?
13. What does AMU stand for and what atom
is it based on?
Atom Review
14. Write the formula we use to find the
average atomic mass of an element:
Atom Review Questions
1. Neutral atoms contain equal numbers of
2. All isotopes of neutral sodium atoms
contain _________ protons and
___________ electrons
Atom Review Questions
3. Hydrogen has 3 isotopes. For each one
tell how many protons, neutrons and eH-1
H-2
H-3
Atom Review Questions
4. For each isotope of oxygen tell how many
protons, neutrons and eO-16
O-17
O-18
Atom Review Questions
5. What is the charge on an atom that
contains 9P, 10N, 9e-?
6. What is this atom’s atomic number?
7. What is its atomic mass?
Atom Review Questions
8. Cl-35 contains ______protons
______ neutrons
______ electrons
Atom Review Questions
9. For the atoms below, list the number of
protons, neutrons, and electrons
84
36
Kr
Atom Review Questions
9. For the atoms below, list the number of
protons, neutrons, and electrons
64
29
+2
Cu
Atom Review Questions
9. For the atoms below, list the number of
protons, neutrons, and electrons
40
20
+2
Ca
Atom Review Questions
9. For the atoms below, list the number of
protons, neutrons, and electrons
19
9
-1
F
Atom Review Questions
9. For the atoms below, list the number of
protons, neutrons, and electrons
31
15
-3
P
Atomic Review Questions
10. Write an isotope of
11. Write an ion of
16
8
O
16
8
O
Atomic Review Questions
1
12. Describe Rutherfords Gold Foil
Experiment
1
13. What were the 2 conclusions about the
structure of the atom that resulted from
the Gold Foil Experiment?