Elements:Elements are composed of only one type of atom. There are 118 elements known to scientists. Among these are: gold, silver, mercury, lead, bismuth, and antimony.Answer and Explanation: Up to 83 elements can be found in the human body. However, the vast majority of these only ...
How many atoms are in 1 mole of a substance? Unit Conversion: The most important thing in a unit conversion is the conversion factor. This value allows the conversion from one unit to another by drawing a relationship between the two units involved in the calculation. Answer and Explanation:1...
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MODERN PUBLICATION-D AND F-BLOCK ELEMENTS-CONCEPTUAL QUESTION When MnO2 is fused with KOH in the presence of KNO3 as an oxidising a... 04:18 (a) Write a metal oxide compound for manganese in each of the followin... 02:41 How many water molecules are involved in coordination in CuSO4...
When Mendeleev first published the original periodic table in 1869, it contained only 63 elements — about half as many as there are today. His table had gaps to leave room for elements that had not been yet discovered, and Mendeleevused the position of these gaps to predict the properties ...
How many fluoride ions are in 1.52 mg of {eq}AlF_3 {/eq}?Grams to Moles:The ratio of mass (in grams) and molar mass of a compound is called the moles of the compound. The below formula shows the moles and mass relationship. {eq}n = \dfrac{m}{M} {/eq} ...
To determine how many of the given ores are sulphide ores, we will analyze each ore one by one.1. Azurite: - Azurite is a mineral with the formula CuCO3·Cu(OH)2. - It is primarily a carbonate ore of copper, not a sulph
If 3.0 moles of HCl are consumed in the reaction below, how many moles of H2O are produced? 6HCl+Fe2O3→2FeCl3+3H2O Stoichiometry:Stoichiometry is a method used to analyze chemical reactions mathematically. Stoichiometry utilizes the co...
About 1,300 species of tardigrades are known to exist, and while the nearly indestructible animals may look cute and cuddly under a microscope, they are actually covered in a hard cuticle similar to many insects. Their unique mouth, known as a bucco pharyngeal apparatus, enables tardigrades to...
The ratios and proportions which are thought to compose the most visually pleasing composition can be applied to the dimensions of various elements, their distribution, and the spacing between them. 5. Balance is another essential factor that should be present in the design of an architectural elev...