Webchromium (Cr), chemical element of Group 6 (VIb) of the periodic table, a hard steel-gray metal that takes a high polish and is used in alloys to increase strength and corrosion resistance. WebChromium oxide is formed by combining chromium metal cation and oxygen non-metal anion. The structure of Chromium oxide representing its ionic property is drawn below. Structure of Chromium oxide Cr 2 O 3 molar mass. The molar mass of Chromium oxide is found to be 151.99gm/mol. Cr 2 O 3 color. Chromium oxide appears light to dark green. …
Physical Properties of the Element Chromium - ThoughtCo
WebClassify each element below as metal, nonmetal, or metalloid. phosphorus (select) chromium (select) arsenic (select) This problem has been solved! You'll get a detailed … WebA. X is a metal B. Y is a metal C. Z is a non-metal D. Y is a non-metal and Z is a metal Answer: (D) Y is a non-metal and Z is a metal. 13. Although metals form basic oxides, which of the following metals form an amphoteric oxide? e. Na f. Ca g. Al h. Cu Answer: (g) Al. 14. Generally, non-metals are not conductors of electricity. bistyp consulting
7.6: Metals, Non-metals, and Metalloids - Chemistry …
WebJul 3, 2024 · Chromium Properties: Chromium has a melting point of 1857+/-20°C, a boiling point of 2672°C, a specific gravity of 7.18 to 7.20 (20°C), with valences usually 2, 3, or 6. The metal is a lustrous steel-gray color which takes a high polish. It is hard and resistant to corrosion. WebFeb 3, 2024 · Chromium is a hard, gray metal that is valued for its incredible resistance to corrosion. Pure chromium is magnetic and brittle, but when alloyed can be made malleable and polished to a bright, silvery … WebAnswer: 1. Metals form cations after ionic bonding because they completely transfer/give away electrons. 2. Non-metal form anions after ionic bonding because they attract electrons toward themselves. 3. Ions form after ionic bonding because this type of bond involves complete transfer of electrons. 4. bistyp online