1. Define anthracite.
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a hard natural coal of high luster differing from bituminous coal in containing little volatile matter and in burning very cleanly is called anthracite  . called also hard coal

Explanation:

Answer from Gauth math

Antharacite refers to a hard coal of hard variety that contains relatively pure carbons ...

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.

answer: i have one answer

acids are substances that ionize (break off) in an aqueous solution to produce hydrogen (h+) ions

explanation:

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