Science test revision Flashcards
What is cracking?
breaking long chain hydrocarbons into small chain hydrocarbons
What is saturated?
no more space for extra atoms
What is unsaturated?
has a double bond that can break to make space for extra atoms
What is OH for?
alcohol
What is COO for?
esters
What is COOH for?
carboxylic acids
What is the polymerisation of ethene?
breaking double bonds and multiple ethene monomers bonds into long chains
What is additional polymerisation?
multiple monomers joining together to form polymers
What charge is a proton?
positive
what charge is a neutron?
neutral
what charge is an electron
negative
what does the atomic number represent?
number of protons
what does the mass number of an atomic symbol represent?
total number of protons and neutrons
what is an isotope?
atoms with the same number of protons but different number of neutrons
