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Define:A simple covalent compound consists of a small number of non-metal elements covalently bonded together. (1)For example, H2O , CO2, O2. (1)Relate to MP/BP: The small molecules have only weak intermo...
Cracking is when large hydrocarbon molecules are broken down into smaller ones using a catalyst - one alkane and one alkene are formed.Alkanes are hydrocarbons with only single bonds.Alkenes have one doub...
Two or more elements or compounds that are not chemically combined together, wherein the chemical properties of each substance remains unchanged.
The products are a salt and hydrogen, MgCl2 and H2.The balanced equation is: Mg + 2HCl -> MgCl2 + H2This is a metal/acid reaction.Mg is a Gr...
On a periodic table, we can see that the atomic number for lithium is 3. The atomic number represents the number of protons in an atom, so Lithium has 3 protons. The atomic mass is the number of protons a...
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