Symbols
What is the chemical symbol for Sodium?
Na
What is the first element in the periodic table?
Hydrogen
What does the arrow point to in a chemical equation?
The products.
What is my first name?
Josh/Joshua
How many months have 28 days?
All of them
What element has the Symbol K?
Potassium
Which atom is heavier: Carbon or oxygen?
Oxygen
Is H20 an element, compound or mixture?
Compound
What was my last career before teaching?
Retail manager
DOUBLE POINTS: 10 SECONDS TO ANSWER
What do you put in a toaster?
What do cows drink?
Bread
Water
NaCl is the chemical symbol for what common household item?
Table Salt
What is the difference in regards to particle arrangement between a solid and a gas?
Gasses take up the volume of a container, they have greater distances between particles.
Solids have a fixed volume and have less space between particles.
What happens to the particles when you cool an object?
Their vibrations slow down and they contract
How many children do I have?
What did the scientist say when he found 2 atoms of helium?
HeHe
Air is made up of the following elements and compounds: N2 O2 CO2 H2O Ar. Name them all.
Nitrogen Oxygen Carbon Dioxide Water Argon
What is a property of a metal?
malleable, ductile, lustre etc
What is chemistry?
the branch of science concerned with:
- the substances of which matter is composed
- their properties and reactions
- the use of such reactions to form new substances.
What was my favourite subject when I was a student?
PE/Sport
What is the center of gravity?
The letter 'v'
Identify which elements are in the word PSYCHIC. (500 points for at least 5 DIFFERENT elements).
Phosphorous, Sulfur, Yttrium, Carbon (x2), Hydrogen, Iodine
How do know the atomic weight and atomic number of elements? HINT: subatomic particles.
Weight: number of neutrons + number of protons
Number: number of protons/electrons
What is the difference between a chemical change and a physical change?
New substances are formed in chemical reactions, they require/emit energy.
Physical changes can be a change of state, form or shape as long as no new substance has been formed.
How old am I?
What element is a 'girl's best friend'?
Carbon