Chemistry Quiz 4
Atomic structure practice test
Chemistry quiz 4 or atomic structure practice test contains 10 questions answers for 9, 10, 11, and 12 grade chemistry students...
Manganese
Manganese Chemical Element
Manganese is a chemical element or a greyish-white hard, brittle paramagnetic transition metal of Group 7 (VIIB) of the periodic table with the...
Steel
Different Types of Steel
Steel is essentially a refined alloy of iron that contains a lower percentage of carbon, silicon, and other metals to improve...
Chromium
Chromium Metal
Chromium is a chemical element or hard, malleable, greyish-white shiny transition metal of Group 6 (VIB) of the periodic table with atomic number...
Scandium
Scandium Element
Scandium is a chemical element or transition metal of Group 3 of the periodic table with atomic number 21 and symbol Sc. The...
Electron
Electron Definition in Chemistry
Electron in chemistry, the lightest subatomic or elementary particle of an atom carries a negative charge, −1.602176634 × 10−19 coulomb or...
Iodine
Iodine Element
Iodine is a chemical element of Group 17 (VIIA) of the periodic table. The nonmetal iodine is a member of the halogen family...
Bromine
Bromine Element
Bromine is a chemical element of Group 17 (Group VIIA) or the halogen family of the periodic table with atomic number 35 and symbol...









