revision work sheet- Periodic Table

1.Why did Dmitri Mendeleev leave gaps in his Periodic Table?

2.What is a Column called?

3.What is a Row called?


4.Where do you find Non-Metals in the Periodic Table?

5.What is important about the Group Number of an Element?

6.What is the Electron Structure of Potassium?

ATOMIC STRUCTURE igcse -chemistry / revision work ഷീറ്റ്

1.What is an Atom?
2.Which Particles are found in the Nucleus?
3.What is the charge on an Electron?
4.What is the charge on a Neutron?
5.Does a Proton have more mass than a Neutron?
6.Does a Proton have more mass than an Electron?
7.What is the Atomic Number?
8.What is an Isotope?
9.What is the maximum number of Electrons in each Shell?