more on the periodic table Flashcards
page 15
which side of the periodic table are the metals on?
the left
are non-metals good conductors electricity?
no, they are poor conductors of electricity.
are metal oxides acidic or basic?
They are basic, meaning they will neutralise acids. Metal oxides which dissolve will form solutions with a pH of more than 7.
are non-metal oxides acidic or basic?
They are acidic, meaning that they will neutralise bases. they dissolve in water to form solutions with a pH of less than 7.
Noble goes (group 0 elements) are inert. What does that mean?
they don’t react with much at all.
why are noble gases inert?
It takes a lot of energy to add or remove electrons from a noble gas atom.
Do noble gases exist as single atoms or in pairs?
Because they are inert, they exist as single atoms.
