The oxidation number of an element can have a positive value, a negative value, or equal to zero. In order to estimate the oxidation number of an element of a compound or molecule, it is necessary to identify first the overall charge of the compound/molecule. The oxidation number is usuall...
What is the difference between electronegativity and ionization energy? Which element has the highest electron affinity among halogens? What is the mass number for bromine? Based on electronegativity differences, which bond is a polar covalent bond? What is the bond order of Cl2? What kind of bo...
How many moles of elemental chlorine (Cl2) are required to have the same number of atoms as two moles of elemental phosphorus (P4)? How many grams are in 0.50 moles of Cl atoms? What is the total number of mole of atoms in 1 mole of Al_2(CO_3)_3 ? What is the ...
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In the following redox reaction, which species is reduced? 4Al + 3MnO2 arrow 2Al2O3 + 3Mn Cr_2O_7^2-(aq) + I^-(aq) arrow Cr^3+(aq) + IO_3^-(aq) What is the oxidizing species and the reducing species in the above reaction? What element is...
Have you ever started a cable project in your home or office and took a moment to wonder if your cable was rated for the task or (holding breath) your usage of it was properly up to building codes? It is easy to get lost in this sea of acronyms, part numbers and other markings ...
tungsten is a metal element with the element symbol W. It has high hardness, high melting point, and is not corroded by air at room temperature; it is mainly used to manufacture filaments, high-speed cutting alloy steels, super-hard molds, and also used in optical instruments and chemical ...
The cell consists of a measuring and reference electrode. The voltage between the electrodes is the ORP of the test solution. Although the electrodes are shown separately, in most processes ORP sensors, the electrodes, and the temperature element are combined into a single sensor. ...
A highly irritating, greenish-yellow halogen element, existing as a diatomic gas, Cl2, and capable of combining with nearly all other elements, produced principally by electrolysis of sodium chloride and used widely to disinfect water, as a bleaching agent, and in the manufacture of many important...
However, in recent years, the company has started to move away from aspects of the hierarchical structure toward a meritocratic structure where power is held by individuals who have earned it. Samsung now has four career level grades: CL1– assistant. ...