vocab Flashcards
what are group 1 metals called
alkali metals
name properties of alkali metals
very reactive, pH is above 7 - meaning they’re alkaline, soft so can be cut with a knife, low densities
what is true about group 1 metals
they get more reactive as you move down the group
what are group 7 metals called
the halogens
name properties of the halogens
reactive non-metals, Halogens mean ‘salt formers’, they react with metals to make halides (salts)
what is true about group 7
they get darker as you move down
conduction
when heat moves from one object to the other using physical touch
insulation
the process of keeping heat from spreading
conductor
a substance or material that allows electricity to flow through it
insulator
A material or an object that does not easily allow heat, electricity, light, or sound to pass through it