periodic table Flashcards
what is group 1 called?
alkali metals
what is group 7 called?
halogens
what is group 0 called
noble gases
what happens to group 1 as you go down?
gets more reactive
what happens to group 7 as you go down?
gets less reactive
true or false:
group 0 is reactive
false
properties of elements that we are able to test without them undergoing any changes
physical properties
what will density determine?
if it will sink or float
what does alkali metal react with?
water
why are group 0 unreactive?
because they have a full outer shell
replaces the less reactive group 7 element with a more reactive group 7
displacement reaction
what is above the element?
atomic mass
what is below the element?
atomic number
two or more elements mixed together (chemically bonded)
compound
two or more elements mixed together (not chemically bonded)
mixture
