Who Am I?
What element is in Group 18 and Period 1?
Helium
Boron vs. carbon vs. rubidium
Rubidium
Neon vs. lithium vs. carbon
Lithium
silicone vs. iodine vs. magnesium
Magnesium
The most abundant element in Earth crust?
Oxygen
Argon vs. cesium vs. phosphorous
Cesium
What element is a liquid metal?
Mercury
What is the most abundant metal in the Earth crust?
Aluminum