History of the Atom
Ernest Rutherford discovered this part of the atom
The nucleus
The center of an atom is called the __________?
Nucleus
The fastest motorcycle in the world can go ________?
over 400km/hr!
A physical change is when______________________?
the appearance of an object changes, but it does not form a new substance.
The Law of Conservation of Mass states____________________________________.
Matter cannot be created nor destroyed through physical or chemical changes.
JJ Thompson's model of the atom was called what?
The 'Plum Pudding Model'
True or False - Neutrons are negatively charged.
False - Neutrons are neutral
Instagram is owned by_____________?
An example of a physical change is___________?
melting ice to liquid water OR screwed up paper.
The total mass of the reactants in a chemical reaction must equal the___________________?
total mass of the products
Heisenberg model is of an atom is also known as the __________ model?
Quantum Cloud model
Protons and _________ form the nucleus of an atom
Neutrons
Who won the NRL last year?
Penrith Panthers
The five signs of a chemical change are
1. Smell
2. Gas (bubbles)
3. Temperature
4. Precipitation
5. Colour change
6CO2 + 6H2O → C6H12O6 + 6O2 demonstrates __________________________.
the Law of Conservation of Mass
Niels Bohr's model of an atom shows electrons that _______________?
go around the outside of an atom in layers or shells.
The atomic number of an element is the same as the number of ____________ in the atom?
protons
The Blip in Marvel's Avengers - Endgame relates to the _________ stones.
Infinity
True or False - Chemical changes are permanent
True - they cannot be reversed
6CO2 + 6H2O → C6H12O6 + 6O2 is the chemical equation for___________________.
Photosynthesis
How many electrons are in the first shell of any element (except hydrogen)?
2
The atomic mass is calculated by adding the number of __________ + __________?
protons + neutrons
The latest version of Assassin's Creed is called _________?
Valhalla
Gas is produced
C6H12O6 + 6O2 → 6CO2 + 6H2O is the chemical equation for ________________.
cellular respiration