N5 Chemistry Unit 3 Revision Quiz 2

Which two types of sub-atomic particle are found in the nucleus of an atom?

• protons and neutrons

• protons and electrons

• electrons and neutrons

What is different about these two isotopes of carbon?

• the atomic number

• the number of protons they have

• the number of neutrons they have

• their chemical properties

Which line in the table shows the properties of a neutron?

• A

• B

• C

• D

Which line in the table shows the properties of a proton?

• A

• B

• C

• D

Isotopes are atoms which have the same _____(1)_____ number but a different _____(2)_____ number, because they have a different number of _____(3)_____ in their nucleus. What terms should go into the blanks to complete the statement correctly?

• (1) = atomic,

  (2) = mass,

  (3) = protons

• (1) = atomic,

  (2) = mass,

  (3) = neutrons

• (1) = mass,

  (2) = atomic,

  (3) = protons

• (1) = mass,

  (2) = atomic,

  (3) = neutrons

This is the nuclide notation for which particle?

• an alpha particle

• a beta particle

• a neutron

• a proton

This is the nuclide notation for which particle?

• an alpha particle

• a beta particle

• a neutron

• a proton

The half life of the isotope ²¹⁰Pb is 22 years.

What fraction of the original sample will remain after 44 years?

• a half

• a quarter

• an eighth

• a sixteenth

Which of these elements is not essential for healthy plant growth?

• nitrogen

• calcium

• phosphorus

• potassium

What is the name of the industrial process used to make ammonia?

• Haber Process

• Ostwald Process