Periodic Table

• Group 1 - Alkali metals (Li, Na, K)
• Group 7 - Halogens (F, Cl, Br, I)
• Group 2 - Alkaline earth metals (Be, Mg, Ca, Sr, Ba)
• Name each family of Periodic Table

  A) Alkali Metal Family

  B) Alkali Earth Metals Family

  C) Transition Metal Family

  D) Boron Family

  E) Carbon Family

  F) Nitrogen Family

  G) Oxygen Family

  H) Halogens Family

  I) Noble Gas Family

  J) Lanthanide Series

  K) Actanide Series

  
• Aufbau Principle states that the lowest orbital must be filled first, then the next lowest, and so on.
• Elements that have 5 electrons in the P-block in its valence shell belong to the group of Halogens. Alkali metals valence shell ends in s^1, Chalogens - s^2p^4 while Noble Gases ends in s^3p^6.
• Describe sodium chloride, NaCl : It can conduct electricity when in aqueous solution.
• What is highest percentage of Oxygen in gram?

  18.0g
• Rutherford's alpha scattering experiment states that the nucleus is mostly empty space.
• Among Na, Fe, Cu, and Mg, which is the most unreactive metal?

  Copper

  A) Potassium

  B) sodium

  C) lithium

  D) barium

  E) stronium

  F) calcium

  G) platinum

  H) gold

  I) silver

  J) mercury

  K) copper

  L) bismuth

  M) antimony

  N) lead

  O) tin

  P) iron

  Q) aluminum

  R) zinc

  S) cadium