Science Test / Term 3

• Name 3 semi-metals from the periodic table

  boron

  silicon

  arsenic
• name 3 nonmetals from the periodic table

  carbon

  nitrogen

  oxygen
• name 3 elements from the transition groups

  nickel

  copper

  iron
• name 3 alkali metals from the periodic table

  lithium

  francium

  caesium
• name 3 alkali-earth-metals from the periodic table

  calcium

  magnesium
• name 3 noble gasses from the periodic table

  helium

  neon

  argon
• name 3 halogens from the periodic table

  fluorine

  chlorine

  iodine
• name 3 metals from the periodic table

  aluminium

  tin

  bismuth
• define what an atom is

  an atom is a 'bowl' made of electrons and neutrons
• define what a element is

  an element is a certain type of of atom with the same amount of protons or two or more of these certain types of atom forming bonds
• define what a compound is

  a compound is a substance that is made out of multiple different elements forming bonds
• define what a mixture is in scientific terms

  a mixture is a mixture out of different compounds or elements
• define what a molecule is

  a molecule is a compound formed out of only non-metals
• give an example of what an atom is

  one oxygen, one carbon, one carbon
• give an example of what a element is

  two oxygen atoms that forms a bond, multiple iron atoms
• give an example of what compound is

  water (is out of hydrogen and oxygen atoms), sodium, chloride (NaCl)
• give an example of what a mixture is in scientific terms

  mixture out of water, carbon dioxide, oil and vinegar
• give an example of what a molecule is

  water, co2, hydrogen, fats protein, sugars
• give some examples of some physical properties of metals

  good conductors of electricity

  good conductors of heat

  high density

  malleable
• give examples of some physicals properties of non-metals

  poor conductors of electricity

  poor conductors

  low density

  brittle