Activity 1.4 Link it now... Directions: Write the electron configuration of the following elements and relate it to their classification in the Periodic Table (metal, nonmetal and metalloid) Note: 1-5 use Electron configuration 6-10 use Condensed configuration Elements Atomic Full or Valence Valence Block Group Classification of Elements |(metal, nonmetal and metalloid) No. or Condensed Configur Number Symbol Electron Configuration ation Ex. Sodium 11 Na 1s ? 2s ? 2p° 3s' 1 1 Metal 3s 1 1.Hydrogen 2 Lithium 3.Silicon 4.Sulfur 5.Germanium 6.Bromine 7.Cerium 8.Rubidium 9. Radium 10. Titanium

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Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.