Final Exam First Term Science 6th

Graphite and diamond are allotropes of carbon because...

• They are substances with only caron atoms

• They are substances with only carbon atoms at different distances

• They are substances with different isotopes of carbon

• They are substances with different ions of carbon

In its standar state, the atomic number for sodium (Na) is 11. Using this information we can deduce that ...

• Sodium has 5 electrons, 5 protons and 1 neutron

• Sodium has 1 electron, 5 protons and 5 neutrons

• Sodium has 11 electrons, 11 protons and 11 neutrons.

• Sodium only has 11 protons

Chlorine, iodine and bromine are members of the 17th group of the Periodic Table which means that they ...

• all share different properties

• all share the ending -ine

• all share similar properties

• all have 17 as an atomic number

after watching the image, we cannot say that...

• the atomic number for phosphorus is 16

• Phosphorus is a nonmetal

• the symbol for phosphorus is P

• the atomic weight of phosphorus is 30.974

The element that is located in the sixth period and 1st group of periodic table is ...

• Hydrogen

• Lithium

• Francium

• Caesium

The element that is located in the 17th group and 3rd period of the periodic table is ...

• Astatine

• Iodine

• Bromine

• Chlorine

watch the image and decide the correct order of the families of elements

• A: Alkali Metals
  B: Alkaline Earth Metals
  C: Transition Metals
  D: Halogens
  E: Noble Gases

• A: Alkaline Earth Metals
  B: Alkali Metals
  C: Transition Metals
  D: Halogens
  E: Noble Gases

• A: Alkali Metals
  B: Alkaline Earth Metals
  C: Transition Metals
  D: Noble Gases
  E: Halogens

• A: Transition Metals
  B: Alkali Metals
  C: Alkaline Metals
  D: Halogens
  E: Noble Gases