Which process is a chemical change? burning a match
boiling water
melting ice
breaking glass

the answer is burning a match

Explanation:

when you break glass, the  properties of glass is still the same, melting ice and boiling water are both phyisical changes since they are chnages in state.

woo burning is a type of combustion reaction and when we light a match, matches include different chemicals that help to ignite it with friction so its A, burning a match

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.