Can you guess the Element?

Which of the following is the most abundant element in the universe? Lithium Beryllium Oxygen Hydrogen

Which of the following metals has the highest melting point? Rhenium Tungsten Tantalum Osmium

Mercury is the only metal that is liquid at normal temperatures. True or False? True False

Which gas is known as laughing gas? Hydrogen Oxygen Nitrous Oxide Helium

Three of the following gases are categorized as rare gases. Which is not? Nitrogen Xenon Helium Argon

What is the PH value of water? 5 6 7 9

Hydrogen is the lightest element on the periodic table. True or False? True False

In its liquid state, oxygen is blue in color. True or False? True False

Sublimation is the transition of a substance directly from the solid to the gas state without passing through the liquid form. True or False? True False

Which of the following gases explodes at high temperatures? Hydrogen Helium Carbon dioxide Neon