Elements and States of matter
what are the three states of matter?
Solid, liquid and gas
What are the three RTC questions?
What are you doing?
What should you be doing?
What happens if you continue?
hydrochloric acid turns litmus paper what colour?
pink
what is a pipette?
a thin tube used to transfer, move or pour a small amount of a liquid
what is the missing elements name?
H2 + ..... ---> H2O
Oxygen
Manganese is a transition metal, but what is its atomic symbol?
Mn
does mrs Garner let people go to the toilet during class after recess?
NO!!!!!!!
mr Polentas was afraid students would burn themselves with what acid?
Hydrochloric acid (HCl)
who does mrs Garner not trust with a termometer in the lab?
Campbell
the substances on the left of the reaction are called the?
Reactants
what are alloys made of?
two or more different metal atoms / elements
who is the best teacher in the school?
mrs Garner or mr Polentas
what is sublimation?
when a substance changes state from solid to gas, skipping the liquid phase
who was the first person that mr Polentas used the RTC question on?
Jesse
what is the process in which one or more substances is converted to one or more different substances?
a Chemical Reaction
an ordered array of particles is called a
Crystal lattice
who does triple J refer to?
Jock, Jesse and Jack
what are the four signs of a physical change that mr Polentas made you write down?
change in size or shape
change in state
is often reversaable
when did mr Polentas start his practical at the school?
Monday (01/11/2021)
what is it called if i pass a gas through a liquid?
Diffusion
if i increase the energy in a solid, what will this do to the atoms / elements in a solid?
it would cause the atoms / elements to vibrate faster and eventualy start moving around. turning the solid to a liquid
what time does the bell go to start the first recess today
10:29am
is the smell form my stinky shoes a physical or chemical change?
chemical.
what job did mr Polentas have in South Africa
Police officer / policeman
what is the comon name for the product of the following reaction?
C6 + H8 +O7 ---> ...........
citric acid