QUESTIONS AND SOLVED SOLUTIONS
◉halogens. Answer: 17th column
◉noble gases. Answer: last column
◉ion. Answer: atom compound who has gained or lost electons
◉cation. Answer: lost electors
besoms positive
◉anion. Answer: gained electrons
becomes -
◉atomic weight. Answer: protons + neutrons
◉atomic number. Answer: number of protons
, ◉chemical symbol. Answer: A one or two letter representation of an
element
◉isotope. Answer: Atoms of the same element that have different
numbers of neutrons
◉law of constant consumpotion. Answer: all samples of a given
compound have the same proportions of their constituent element
◉ionic compound. Answer: A compound that consists of positive
and negative ions
◉write formula for calcium and chloring. Answer: CaCl2
◉formula for Na and SO4^-2. Answer: Na2SO4
◉name for ionic compound LiF. Answer: lithium fluoride
◉name for ionic compound PdCl2. Answer: palladium (II) chloride
◉polyatomic ion name to formula for
ruthenium (IV) acetate. Answer: Ru(C2H3O2)4