| Question | Answer |
| What are the only 2 liquids on the Periodic Table? | Br, Hg
|
What is the only letter that does not appear on the PT?2 | J2
| What is the rarest naturally-occurring element in the Earth's crust?3 | Astatine3
| Why do helium balloons float?4 | lighter than air4
| What color is oxygen in the liquid form?5 | blue5
| What is the most reactive group on the PT?6 | Alkali Metals6
| How many valence electrons does Cesium have?7 | one7
| What is the heaviest natural element?8 | uranium8
| What element on the PT is a natural antibacterial?9 | Cu9
| What is the coldest state of matter?9 | Bose-Einstein condensate
| What is the heaviest known gas?10 | radon10
| What gas is given off by apples and pears as they ripen?11 | ethylene gas11
| At what temperature does air become a liquid in degrees Celsius and in Kelvin?12 | -190C,_463K12
| When was the word "gas" coined? What does it mean in Greek?13 | !650-560, chaos13
| What is the another name for the Lanthanide and Actinide Series?14 | rare earth elements14
| What is metalloid has the lightest mass?15 | Boron15
| Which group (name) is the only one to have a solid, liquid and gas at room temp?16 | halogens16
| What is the only solid element that will liquify in your hand?17 | Ga17
| What is the softest known substance?18 | talc18
| What is the boiling point of Nitrogen in degrees C and K?19 | -196C, -77K19
| What 2 subatomic particles can be identified by the atomic number?20 | protons&electrons20
| What element's atom has 5 neutrons?21 | Be21
| Who discovered the neutron in the nucleus?22 | Chadwick22
| Would an atom is Group 2 lend, borrow, or share valence electrons?23 | lend23
| What is a charged atom called?24 | ion24
| What type of fluid is Flubber or oobleck considered?25 | non-Newtonian25
| Which organic compound is responsible for giving us that "burning" sensation when we bite into a chilli?26 | capsacin26
| Who performed the Gold Foil experiment to identify the positive nucleus?27 | Rutherford27
| What is the most abundant element in the human body?28 | oxygen28
| How many valence electrons does an atom want to be stable?29 | eight(except H, HE)29
| What is the most reactive non-metal element?30 | F30 |
