Chemistry Unit 2 Learning Targets
 Atomic Theory, The Atom, & Nuclear Chemistry
1. I can describe the five major historical developments to the Atomic Molecular Theory
(SC3)
a.
Dalton; Thomson; Rutherford; Bohr; & the Quantum Mechanical Model
2. I can identify, locate, and differentiate between the properties of subatomic particles.
(SC3a)
a. Protons, Neutrons, & Electrons
b. Orbitals; Valence e-; Oxidation Numbers; Charges; AMU; and Relative Mass.
3. I can use the Periodic Table to determine the properties of subatomic particles of an
Atom, Ion, and Isotope. (SC3a,c,d)
a. Amount of p+, no, and eb. Identification of an Isotopes, Ions, and Neutral Atoms
i. Cations vs. Anions
c. Identification of elements based on protons.
d. Identification of ion charges based on subatomic particle data.
4. I can explain why the atomic masses on the periodic table are not whole numbers.
(SC3d)
a. I can calculate the average atomic mass of given isotopes
5. I can identify polyatomic ions when given their name or chemical formula . (SC3a)
a.
6.
I can also identify the correct charge of the polyatomic ion.
I can distinguish between isotopes and radioisotopes. (SC3d)
a. I can use the terms stability and radioactive decay in my explanations of each.
7. I understand the concepts associated with radioactive decay.
a.
b.
c.
d.
I can discuss, identify, draw, and manipulate the following
i. Alpha particles
ii. Beta Particles
iii. Gamma Rays
I can use symbol notation for subatomic particles and particle radiation.
I can write and describe balanced nuclear equations.
i. I can read and write nuclear radiation (alpha, beta, and gamma) emission in chemical
equations
ii. I can discuss artificial and natural transmutation.
I can use the half-life principle to calculate how much radioisotope is remaining after x amount of
time.
i. Calculate Fraction, Percent, or Mass remaining after x amount of time or half-lives.
ii. I can use any of the above three to determine the number of half-lives past or the time
that has past.
8. I can Compare and Contrast nuclear fusion and nuclear fission (SC1a)
a.
I can calculate the energy released using E = mc2
Standards:
SC1 Students will analyze the nature of matter and its classifications.
a.
Relate the role of nuclear fusion in producing essentially all elements heavier than helium
SC3 Students will use the modern atomic theory to explain the characteristics of atoms.
a. Discriminate between the relative size, charge, and position of protons, neutrons, and electrons in the
atom.
c. Explain the relationship of the proton number to the element’s identity.
d. Explain the relationship of isotopes to the relative abundance of atoms of a particular element.