SCIENCE: PROPERTIES OF ELEMENTS

• #11: Sodium

  -very reactive

  -good conductor of heat and electricity

  -low density

  -malleable

  -ductile
• #2: Helium

  -low density

  -high thermal conductivity

  -insoluble

  -colorless

  -odorless
• #79: Gold

  -good conductor of heat and electricity

  -high density

  -lustrous
• #47: Silver

  -unreactive metal

  -Insoluble except with some acids

  -lustrous
• #26: Iron

  -good conductor of heat and electricity

  -heavy metal

  -ferromagnetic
• Example of Sodium: No pure sodium but can be table salt or Sodium Chloride (NaCl) which is the combination of Sodium and Chlorine
• Example of Helium: Gas inside a balloon
• Example of Gold: Gold Jewelries
• Example of Silver: Silverware: spoon and fork
• Example of Iron: Iron nails
• #12: Magnesium

  -highly reactive

  -highly flammable

  -low density
• #8 Oxygen

  -highly reactive

  -soluble in water

  -colorless

  -odorless
• #20 Calcium

  -reactive

  -alkaline earth metal

  -high density
• #13 Aluminum

  -highly reactive

  -lightweight metal

  -good conductor of heat and electricity
• #15 Phosphorus

  -highly reactive

  -highly flammable

  -toxic (white phosphorus)
• Example of Magnesium: Vegetables like Avocado, spinach, broccoli and green peas
• Example of Oxygen: The air we breathe
• Example of Calcium: Milk and Cheese
• Example of Aluminium: Aluminium Foil
• Example of Phosphorus: Matches