Download BEAT_Sheet_for_Atoms_2016_ACA

Name:______________________________________________Period:______#:_______
BEAT Chemistry! (BE Able To): Atoms
 Explain the five parts of Dalton's Atomic Theory and know which parts are still true
 Describe the subatomic particles, including their properties, how and when they
were discovered, and where they are located
Proton
Neutron
Electron
Charge
Location in
atom
Who discovered
particle
 Explain Rutherford's Gold Foil Experiment, J.J. Thomson plum pudding model,
Dalton’s model, Bohr’s model, and the Quantum Mechanical Model. Explains any
experiments run and conclusions drawn from each experiment. Refer to your
notes and homework.
Daltons
Model
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Thomson’s Model
Rutherford’s
Model
Niels Bohr Model
Quantum
Mechanics Model
 Fill in the table below
Element
Atomic
Number
Mass
Number
Atomic
Mass
Protons
Electrons
Neutron
Indium
49
66
Vanadium
23
28
Vanadium
23
50
Tin, Sn2+
50
119
Hyphen
notation
Ion
 Define isotope and explain how isotopes are similar and different.
 Determine the number of protons, neutrons and electrons in isotopes written in
general format and hyphen notation.
Isotope
General
format
Number of
protons
Number of
electrons
Number of
neutrons
Mass Number
Ti-46
Ti-47
 In Tungsten-184, 184 represent the mass number? What does the mass number
tell us?
 Are the following atoms electrically neutral or do they carry a charge and represent
an ion?
Electrically neutral and why? OR
Charge on the ion and why
5 protons and 5
electrons
7 protons and 10
electrons
12 protons and 10
electrons
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Circle the following which are isotopes of each other.
7
3𝑋
6
3𝑋
6
4𝑋
8
3𝑋
Mole Conversions:
A. What is the number of grams in 8 moles of Oxygen (O)?
B. How many atoms are in 5 moles of Helium (He)?
C. If you have 5.5 Kilograms of Hydrogen (H), how many atoms of Hydrogen do you
have? (Don’t forget to convert from kilograms to grams!)
2016-2017