Answer:
A horizontal row in the periodic table, which signifies the totoal number of electron shells in an element's atom.
Explanation:
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Answer:
High temperature increases the number of high energy collisions
Explanation:
Increasing the temperature a reaction takes place at increases the rate of reaction. At higher temperatures, particles can collide more often and with more energy, which makes the reaction take place more quickly.
The electronic geometry for the carbonate ion, in CO₃²⁻ is trigonal planar, and molecular geometry will be trigonal planar.
The electronic geometry = Total number of atoms + lone pair around the central atom
= 3 atoms + 0 lone pair
= sp₂ (trigonal planar)
The molecular geometry = As there is no lone pair its geometry will be trigonal planar.
Answer:
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Explanation:
MgCl₂ is an empirical formula for magnesium chloride.
<h3>What is empirical formula?</h3>
The empirical formula of a chemical compound in chemistry is the simplest whole number ratio of atoms in a compound. Two simple instances of this concept are the empirical formulas of sulfur monoxide (SO) and disulfur dioxide (S2O2). As a result, the empirical formulas for the sulfur and oxygen compounds sulfur monoxide and disulfur dioxide are the same. However, they do not share the same molecular formulas, which indicate the number of atoms in each molecule of a chemical compound.
An empirical formula does not mention the arrangement or number of atoms. It is typical for many macromolecules, including ionic compounds like calcium chloride and silicon dioxide (SiO2) (CaCl2).
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