PERIODIC TRENDS WORKSHEET

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Worksheet: Periodic Trends
1. ATOMIC RADIUS
For each of the following sets of atoms, rank the atoms from smallest to largest
atomic radius.
a. Li, C, F
b. Li, Na, K
c. Ge, P, O
d. C, N, Al
e. Al, Cl, Ga
2. IONIC RADIUS
For each of the following sets of ions, rank them from smallest to largest ionic
radius.
a. Mg2+, Si4-, S2-
b. Mg2+, Ca2+, Ba2+
c. F-, Cl-, Br-
d. Ba2+, Cu2+, Zn2+
e. Si4-, P3-, O2-
3. IONIZATION ENERGY
For each of the following sets of atoms, rank them from lowest to highest ionization
energy.
a. Mg, Si, S
b. Mg, Ca, Ba
c. F, Cl, Br
d. Ba, Cu, Ne
e. Si, P, He
4. ELECTRONEGATIVITY
For each of the following sets of atoms, rank them from lowest to highest
electronegativity.
a. Li, C, N
b. C, O, Ne
c. Si, P, O
d. K, Mg, P
e. S, F, He