* For the alkanes, the general formula is CnH2n+2 EXAMPLE: CH4, C4H10 * For the alkenes, the equation is CnH2n EXAMPLE: C2H4 where n is the number of atoms in one molecule of the hydrocarbon.
The symbol equation for the reaction of magnesium with oxygen to form magnesium oxide is: 2Mg + O2 -> 2MgO
Ytterbium is an element (atomic number 70), not an equation.
zinc + oxygen ----> zinc oxide Symbol equation
The chemical symbol (not equation) of hydrogen is H; the diatomic molecule is H2.
Alkenes are hydrocarbons containing carbon-carbon double bonds. There are several different names for alkenes. Some examples are butane, pentene and octadiene.
The symbol equation for chlorine gas is Cl2.
The symbol equation for lithium is: Li. This represents the chemical element lithium, which has an atomic number of 3.
An equality symbol such as =
The chemical equation for zinc carbonate is ZnCO3
The symbol (s) indicates a solid state in a chemical equation.
The balanced symbol equation for potassium and oxygen is: 4K + O2 -> 2K2O
The symbol equation for the reaction between iodine and hydrogen is: I2 + H2 -> 2HI.
The symbol equation for chlorine and carbon combined is: Cl2 + C -> CCl4.
The chemical symbol (not equation) of mendelevium is Md.
Alkenes are less reactive than alkenes because the π bond in alkenes is stronger and less polarizable than the σ bond in alkenes. This makes breaking the π bond in alkenes more energy-demanding, leading to lower reactivity compared to alkenes.
The chemical formula (not balanced symbol equation) of copper (II) cabonate is CuCO3.
The balanced symbol equation for water is 2H2 + O2 -> 2H2O.