Periodic Table Flashcards
what are signs that an element is a metal?
high melting points, good conductors of heat and elec,shiny,high density,malleable,ductile,sondorous
physical properties describe things you can…
observe and measure
metal oxides are basic. this that dissolve in water make…
alkaline solutions
non metal oxides are…
non acidic
where are metals and non metals in the periodic table?
metals:left non metals:right
chemical properties describe how substances…
take part in chemical reactions
what are horizontal rows known as? ()
periods
what are vertical rows known as?^
|
groups
going down and across rows, these are patterns
going down and across rows these are patterns
group 1 elements have low melting and boiling points, are they reactive/unreactive?
reactive
group 0 elements are called noble gases. are they reactive/unreactive?
unreactive
group 7 are reactive/unreactive?
reactive
