1. Li, Be, B, C, N, O, F, Ne
2. Na, Mg, Al, Si, P, S, Cl, Ar
3. Li, Be
4. H, He
5. Helium (He)
6. Potassium (K)
7. a. Cobalt: transition metals
b. Sodium: alkali metals
c. Argon: noble gases
d. Silicon: group 4 metalloids
e. Chlorine: halogens
f. Magnesium: alkaline earth metals
8. a. Atomic number of iron: 26
b. Group data for iron: Transition metals
9. Fluorine, bromine, iodine, astatine, tennessine
10. Element: oxygen, Symbol: O, Atomic Number: 8, Period: 2, Group: 16
Element: calcium, Symbol: Ca, Atomic Number: 20, Period: 4, Group: 2
Element: krypton, Symbol: Kr, Atomic Number: 36, Period: 4, Group: 18
Element: gold, Symbol: Au, Atomic Number: 79, Period: 6, Group: 11
Element: cadmium, Symbol: Cd, Atomic Number: 48, Period: 5, Group: 12
Element: manganese, Symbol: Mn, Atomic Number: 25, Period: 4, Group: 7
Parent Tip: Review the logic above to help your child master the concept of periodic table practice worksheet answers.
