Science 2nd Quarter (3)

• Meth - 1
• Eth - 2
• Prop - 3
• But - 4
• Pent - 5
• Hex - 6
• Hept - 7
• Oct - 8
• Non - 9
• Dec - 10
• Alkenes are a group of compounds with the general formula CnH2n which each have a carbon-carbon double bond
• The presence of a C=C double bond makes alkenes unsaturated compounds
• Methane is a chemical compound with the chemical formula CH4
• It is a group-14 hydride, the simplest alkane, and the main constituent of natural gas.

  METHANE
• Cations are positive charged
• Anions are negative charged
• In the formation of H2 molecules, 2 electrons are shared
• "An electron absorbed energy when it jumps to a higher energy level" is an incorrect statement
• Using crisscross method, the correct formula of calcium nitride if the reactants are calcium (Ca^2+) and Nitrogent (N^3-) is Ca3N2
• Cesium has a valence electron of 1 because it's in Period 6, Group 1
• C, O are pairs of atoms that is most likely to form a non-ionic compound
• The bond in Br2 is covalent while the bond in MgF2 is ionic
• Methane is best to use to for fuels