One useful way is by metals, nonmetals, and metalloids. Is boron considered a metal or nonmetal? Metals In the periodic table, you can see a stair-stepped line starting at Boron (B), … Mendeleev's periodic table was organized by: atomic weight. Explanation: i think its b. No light. Yes, magnesium is a metal, Moreover, Magnesium is a chemical element with symbol Mg and atomic number 12. read more. METAL, NONMETAL, METALLOID Hydrogen Magnesium Calcium Arsenic Carbon Helium Lead Aluminum NONMETAL METAL METALLOID * * * Fe, Au, Cu, and Al all solid at room temp- who can think of one metal not solid at room temp?- Mercury! metal, nonmetal, or metalloid lab Objective: To observe physical and chemical properties of a set of elements and classify the elements according to those properties. That leaves A or C, neon is a noble gas, the rest make sense too. Silicon is a very poor conductor of heat and electricity. metal : metalloid : nonmetal . Yes, magnesium is a metal, Moreover, Magnesium is a chemical element with symbol Mg and atomic number 12. Most of the metals are very reactive, they quickly oxidize when exposed to air and form a layer on the metal surface. Manganese is a transition metal with a multifaceted array of industrial alloy uses, particularly in stainless steels. Answer: A. Metalloids: Metalloid doesn’t have malleable or ductile properties. Can be solid, liquid, or gas at room temperature Metalloid Can be shiny or dull Can be malleable or brittle. The first element in the group is the nonmetal nitrogen (N), followed by phosphorus (P), another nonmetal. Group 15 of the periodic table is also called the nitrogen group. silicon is a metalloid. Then, is Phosphorus a metal or nonmetal or metalloid? Magnesium is still, however, limited by its extractions costs, which make the metal about 20% more expensive than aluminum. Magnesium is an alkaline earth metal. The periodic table is organized in families and periods. Related Facts. The elements can be classified as metals ... metal and nonmetals combine to form ionic compounds, while nonmetals combine with other nonmetals to form covalent compounds ... the Group 2A metals such as magnesium and calcium form 2+ charges, and the Group 3A metals such as aluminum form 3+ charges. Explanation: Nitrogen is a reactive nonmetal. Magnesium sulfate is a compound, and the terms metal a nonmetal do not apply to it. It is a brittle material as non-metals. Non-Metals Non-metallic luster (dull) Brittle if it is a solid Non-conductors of heat and electricity, BUT are good insulators. ... Is mercury a metal nonmetal or metalloid? Using the periodic table, you can classify the elements in many ways. Please classify the following if it's metal, nonmetal or metalloid... a. argon b. silver c. magnesium d. radon 1 See answer kennedycabison21 kennedycabison21 i think its silver. 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