1s2 2s1 (give the name)
Lithium
Classify the following elements based on their location on the periodic table
Carbon
Gallium
Titanium
Magnesium
Strontium
1. Non-metal
The Rest: Metal
Name the following ionic compound combinations
K & Cl
Li & I
1. Potassium Chloride
2. Lithium Iodide
1s2 2s2 2p6 3s2 3p6 4s2 (give the name)
Calcium
Order these elements in increasing atomic radius (Smallest to Largest)
Tellurium, Strontium, Yttrium, Rhodium, Iodine
1. Strontium
2. Yttrium
3. Rhodium
4. Tellurium
5. Iodine
Write the formulas for the following compounds
1. Beryllium Fluoride
2. Sodium Bromide
1. BeF2
2. NaBr
What are the electron configurations for...
1. Sodium
2. Oxygen
3. Neon
1. 1s2 2s2 2p6 3s1
2. 1s2 2s2 2p4
3. 1s2 2s2 2p6
Order these elements in decreasing atomic radius (Largest to Smallest)
Barium, Chromium, Hydrogen, Nitrogen, Aluminum
1. Barium
2. Chromium
3. Aluminum
4. Nitrogen
5. Hydrogen
Name the following ionic compounds
1. CaCl2
2. K3N
3. Li2S
1. Calcium chloride
2. Potassium nitride
3. Lithium sulfide
What are the elements that match up with the following electron configurations?
1. [Kr] 5s2 4d4
2. [Ar] 4s2 3d10
3. [Xe] 6s2
1. Molybdenum
2. Zinc
3. Barium
Categorize these elements into metals & non-metals and order them in increasing atomic radius.
Potassium Astatine Calcium Copper Chlorine Arsenic Iron Fluorine Iodine Bromine
Metals | Potassium, Calcium, Iron, Copper, Arsenic
Non-metals | Fluorine, Chlorine, Bromine, Iodine, Astatine
Write the formulas for the following compounds.
1. Iron (III) Nitride
2. Copper (II) Bromide
3. Zinc (III) Oxide
1. FeN
2. CuBr2
3. Zn2O3
Give the electron configurations for the following elements
1. Uranium
2. Tin
3. Selenium
4. Hydrogen
5. Arsenic
1. [Rn] 7s2 5f4
2. [Kr] 5s2 4d10 5p2
3. [Ar] 4s2 3d10 4p4
4. 1s1
5. [Ar] 4s2 3d10 4p3
Categorize these elements into metals & non-metals and order them in decreasing atomic radius.
Neon Fluorine Nitrogen Carbon Beryllium Calcium Strontium Barium
Non-metals | Neon, Fluorine, Nitrogen, Carbon
Write the names and formulas for the following combinations of metals & non-metals as ionic compounds
1. Ca + Cl
2. Be + Se
3. K + N
4. Na + N
1. Calcium Chloride | CaCl2
2. Beryllium Selenide | BeSe
3. Potassium Nitride | K3N
4. Sodium nitride | Na3N