How do you prepare soluble salts? | Neutralisation, filtration, evaporation and crystallisation |
How do you prepare soluble salts? | Neutralisation, filtration, evaporation and crystallisation |
What is the charge of a neutron? | no charge |
What is the charge of a proton? | +1 |
What is the charge of a electron? | -1 |
What is the mass of a proton? | 1 |
What is the mass of a neutron? | 1 |
What is an isomer? | Compounds with the same molecular formula but different structural formula |
What is an isotope? | Atoms with the same atomic number but different mass number |
What is the name of group 1 elements? | Alkali earth metals |
What are the properties of group 1 metals? | Reactivity increases as you go down and weak metallic bonding |
What is the name of group 7 elements? | Halogens |
What is the name of elements between group 2 and 3? | Transition metals |
What happens as you go down the halogens? | They become less reactive |
What are group 0/8 elements called? | Noble gases |
What happens to strong acids and bases? | They dissociate into ions |
What happens to weak acids and bases? | Partially dissociate into ions |
What do bases do to acids | neutralise |
What is the ph of soluble bases? | alkali |
What is the formula for hydrochloric acid? | HCl |
What is the formula for sulfuric acid? | H2SO4 |
What is the formula for nitric acid? | HNO3 |
Whta is the formula for phosphoric acid? | H3PO4 |
What compounds can neutralise acid? | Carbonates, metal oxides and metal hydroxides |
What is the definition of an atom? | The smallest particle of an element that can exist |
What is the definition of an ion? | An electrically charged particle which looses or gains electrons |
What is the definition of an element? | A substance that cannot be broken down into any other substances |
How do you prepare soluble salts? | Neutralisation, filtration, evaporation and crystallisation |