Periodic Table - Part 1

The periodic table of elements is arranged according to the .......

• ascending order of atomic/proton number

• descending order of atomic/proton number

• ascending order of atomic mass

• descending order of atomic mass

Hydrogen, __________, ___________, Beryllium, ___________. What are the missing elements in order?

• Boron, Helium, Lithium

• Lithium, Helium, Boron

• Helium, Boron, Lithium

• Helium, Lithium, Boron

Carbon, ____________, Oxygen, ___________, ___________.

What are the missing elements in order?

• Nitrogen, Neon, Fluorine

• Nitrogen, Fluorine, Neon

• Fluorine, Nitrogen, Neon

• Neon, Fluorine, Nitrogen

Sodium, ________, Aluminium, __________, __________.

What are the missing elements in order?

• Magnesium, Silicon, Phosphorus

• Magnesium, Phosphorus, Silicon

• Silicon, Phosphorus, Magnesium

• Phosphorus, Silicon, Magnesium

Sulfur, _________, Argon, __________, _____________.

• Chlorine, Potassium, Calcium

• Chlorine, Calcium, Potassium

• Calcium, Potassium, Chlorine

• Potassium, Chlorine, Calcium

Which of the following are CORRECT about the element and its chemical symbol?

• Sodium is Na

• Silicon is Si

• Argon is Ag

• Calcium is Ca

Which of the elements below are METALS?

• calcium

• aluminium

• sulfur

• potassium

Group Number indicate the ....

• atomic mass

• atomic number

• number of proton

• number of outer shell electron

Period number indicates the ....

• atomic number

• atomic mass

• number of outer shell electrons

• number of shells occupied with electrons

What is the position of Aluminium in the Periodic Table?