Phosphorus
Phosphorus Element
Phosphorus is a nonmetallic chemical element of the nitrogen family or Group 15 of the periodic table with the symbol P and atomic number 15....
Sodium
Sodium Chemical Element
Sodium is a soft, low melting, silvery white alkali metal or chemical element of Group 1 or IA of the periodic table with...
Magnesium
Magnesium Element
Magnesium is a chemical element, alkaline earth metal of Group 2 (IIA) of the periodic table with the symbol Mg and atomic number...
Beryllium
Beryllium Element
Beryllium is a chemical element or alkaline-earth metal of Group 2 (IIA) of the periodic table with the symbol Be and atomic number...
Ionic Bonding
Ionic Bonding Definition
Ionic bonding or ionic bond is the electrostatic force that binds together oppositely charged ions formed by the transfer of electron or...
Zinc
Zinc Metal
Zinc is a chemical element or silvery lustrous metal of Group 12 or IIB of the periodic table with atomic number 30 and...
Nickel
Nickel Metal
Nickel is a chemical element, silvery, malleable, ductile, ferromagnetic transition metal of group 10 of the periodic table with atomic number 28 and symbol...
Cobalt
Cobalt Metal
Cobalt is a chemical element, lustrous silvery-gray ferromagnetic transition metal of Group 9 (VIIIB) of the periodic table with atomic number 27 and...
Chemistry Quiz 5
Chemical Bonding Test
Chemistry quiz 5 or chemical bonding test contains 10 MCQ questions and answers for 9, 10, 11, and 12 grade or class...
Biology Quiz 5
Biology Quiz 5 on Biotechnology
Biology quiz 5, online practice test on biotechnology contain ten multiple-choice questions or MCQ's for different types of school college...









