What’s the answer to this

strong base

Explanation:

because a element having pH of greater than 7 is a base and the color of the substance is purple

so it is a strong base

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.