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Which test is used to detect nitrogen, sulfur, and halogens?
test is used to determine the presence of nitrogen, sulfur, or halogens in a substance.

answerleaving cheese out to get moldy;

the answer is a! (2.9 x 10^-18 j) hope i could someone. : )

ca has a crystalline lattice with positive ions (since it is a metal, metals are positively charged) and electrons flow freely in its structure since the ca atoms have a large nuclear radius so the electrons are not tightly held, therefore the electrons can flow freely since they are not being highly attracted by the nucleus. moreover, one of the properties of metals are that they are conductors of electricity, thus proving ca is the element.