acids and bases Flashcards
(18 cards)
what is a base
proton acceptor
what is the oxidation number of a pure base
0
what is an alkali
a soluble base that releases OH ions when in an aqueous solution
what does a metal + acid =
salt and hydrogen
acid + metal hydroxide
salt water
what does a metal carbonate + acid=
salt+ water + CO2
what is an acid
a proton donor
what are group 1 metals called
alkali metals
what is oxidation
loss of electrons
what does a metal oxide +acid =
salt + water
State two differences between isotopes of the same element
what is meant by RAM
the mean mass of an atom compaired with1/12 the mass of an atom of carbon-12
how many electrons protons and neutrons does 30Si have
14 protons
14 electrons
16 neutrons
what should all titration questions with numbers include
2dp
what is an alkali
a substance that releases OH ions in an aqueous solution
