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The name of a compound usually gives you all the information you need to write its chemical formula. The first part of the name denotes the cation, or positively charged ion that forms the molecule, while the second part denotes the anion, or negative ion. A balanced chemical formula also ...
Sin cos tan values are the primary functions in trigonometry. Learn the values for all the angles, along with formulas and table. Also, learn to find the values for these trigonometric ratios.
A nucleus of each chemical element consists of protons, neutrons and electrons. The mass number of an element refers to the sum of the number of protons and neutrons. However, the majority of elements exists as isotopes. Isotopes have the same number of protons but they vary in the numbers ...
A chemical compound formula A periodic table Molar masses of elements First, you require finding the molar mass of the given element. The molar mass in grams is equal to the atomic weight of the element represented in atomic mass units. You can find them on the periodic table. ...
Chemical Formula Examples Use the following examples to practice writing chemical formulas. Although the name usually shows the order of the atoms or compounds, how do you know which element comes first in a chemical formula? When writing formula, the positive atom or ion comes first followed by...
product of factors the formula for the product of all factors is given by; product of factors of n = n total no. of factors/2 example: find the total number of factors of 90 along with sum and product of all factors. solution: write the prime factorization of 90 first. 90 = 2 ...
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How to Find a Natural Alternative Unfortunately it’s not quite as simple as running to the drug store and buying whatever brand says “natural” on the tube. We talked about that very issue a while ago in the post, “What Exactly are “Natural” Skincare Products (and How do You Spot...
Mean is the average value of the given set of observations. In statistics, we also come across different types of mean such as Arithmetic, Geometric and Harmonic mean. Leant how to find the mean here.