Revision 01

Play Free Games On RosiMosi
  • Science

  • Middle School

  • 6th grade

  • Physical Science

  • English

Author's Instructions

Revise the knowledge about:

- Identifying the atomic number and symbol of an element through the number of particles in an atom of the element and vice versa; calculating the electric charge and the atomic mass of an atom.

- Identifying components of a molecule; counting the number of atoms of each element in a specific number of molecules.

Determine if the substance is an elementary substance or a compound.