C2 Chemistry Quiz 1

Which of the following is true about chemistry? 

• Chemists try to change cheap metals into gold 

• 1.  

  2. Chemists study matter and its changes 

• Chemistry involves transmutation 

• Inorganic chemistry is the study of carbon-containing compounds 

Which of the following is true? 

• Non-metals are on the left hand side of the Periodic Table 

• The Periodic Table is ordered in order of increasing atomic mass 

• The mass number of an element is the sum of protons and neutrons 

• The atomic number of an element is the number of neutrons 

Which of the following is false about sodium? 

• It is an alkali metal 

• It has 11 electrons 

• It has a mass number of 11 

• It is more reactive than lithium 

When potassium is added to water, which of the following occurs? 

• Fizzes 

• Moves on surface of water 

• Lilac flame

• All of the above

Which of the following is true about the halogens? 

• They are in Group 7 of the Periodic Table 

• They are metals 

• Melting points decrease as you go down the group 

• Reactivity increases as you go down the group 

 

6. Which of the following is the most reactive? 

• Francium

• Lithium

• Potassium

• Sodium

What is formed when magnesium burns in air?

• Magnesium hydroxide

• Magnesium hydride

• Magnesium oxide

• Magnesium nitrate

Which of the following is false about Magnesium? 

• It is in Group 2 of the Periodic Table 

• It is in the same period as Aluminium 

• It has 12 neutrons in its nucleus 

• It has 24 electrons 

Which of the following is the plum pudding model?

• a

• b

• c

• d

Which of the following is false about the atom? 

• It contains neutrons and electrons in the nucleus 

• The nucleus is the heaviest part of the atom 

• Electrons are negatively charged 

• Protons are positively charged