Quiz-1

Two different irreducible representations of a point group must be____

• orthogonal

• Normalised

• orthonormal

• zero

Aliphatic organic compounds are _______ chain compounds

Which of the following elements has the smallest radius?

• Mg
• Al
• Si
• K

As you move left to right across a period, ionization energy

• increases

• decreases

• says the same

What two elements make up water?

• Helium and oxygen
• Hydrogen and oxygen
• helium and carbon
• oxygen and carbon

Of the halogens (group 7A), which has the smallest radius?

• F

• Br

• He

• At