Atomic structure
What is the tiny particle that makes up all matter?
An atom
What does the periodic table organise?
Elements
What pH number is neutral?
7
A substance made from two or more elements chemically joined together is called what?
You want to come first!
Radium + Cerium
RaCe
Which subatomic particle has a negative charge?
An electron
What do we call the rows on the periodic table?
Periods
Do acids have a pH that is below or above 7?
Below 7
Is water (H₂O) a mixture or compound?
Something to solve
Calcium + Selenium
CaSe
What are the three main subatomic particles found in an atom?
Protons, Neutrons, Electrons
What do we call the columns on the periodic table?
Groups
Name 2 characteristics of bases
Slippery, conductive
Is CO₂ an element or compound?
Compound
Beware of this snake!
Carbon + Oxygen + Radium + Boron
COBRa
What is found in the centre of an atom?
Nucleus
Are elements like gold and iron metals or non-metals?
Metals
Give me 2 examples of acids you can find at home
Vinegar, lemon juice, orange juice, etc
What is the difference between a mixture and a compound?
A mixture is physically combined, but a compound is chemically joined
An animal wearing a mask
Radium + Cobalt + Oxygen + Nitrogen
RaCoON
How many electrons can the first shell of an electron have and how many electrons can fit on every shell after that?
The first shell can only have 2, and every shell after can have 8
What information does the atomic number (the smaller number) tell us?
The number of protons
What colour does litmus paper turn in a base?
Blue/purple
A scientist finds a substance made of sodium and chlorine. It cannot be separated by filtering, but it can be broken apart chemically. Is it a mixture or a compound?
A compound
Beware of this large mammal!
Rhodium + Indium + Oxygen + Carbon + Erbium + Osmium
RhInOCErOs