Chemistry

• Are two atoms of the same element identical?
• Can water stay liquid below zero degrees Celsius?
• Can you light diamond on fire?
• How bad of an alcoholic do you have to be to have your brain affected?
• How can glass be a liquid if it's so hard?
• How do I know if something is an acid so I can avoid eating it?
• How do plants get their nitrogen from the air?
• How does dissolving a salt molecule in water make its atoms ionize?
• How does plasma make a campfire flame orange?
• How does tomato juice make skunk smell go away?
• What is it about the ocean that makes it look blue when it reflects the sky?
• What is the difference between a chemical process and a physical process in chemistry?
• What kind of crystal are crystal drinking glasses made out of?
• What made the hole in the ozone go away?
• What makes a "fluorescent" highlighter marker so bright?
• When does the breaking of chemical bonds release energy?
• When hang-drying clothes, which is faster, indoors or outdoors?
• Which sunscreens are chemical-free?
• Why are crystals rare?
• Why are there so many different kinds of forces in chemistry?
• Why do atoms always contain the same number of electrons and protons?
• Why doesn't the planet Uranus explode if it contains so much hydrogen and methane?
• Why don't metals burn?
• Why don't objects fuse to my finger when I touch them?
• Why is ice slippery?
• Why is lead used in pencils even though lead is poisonous?
• Why is mass conserved in chemical reactions?
• Why is plastic not used in home construction?
• Why is propane stored in household tanks but natural gas is not?