Ouiz 2

Select the odd pair out

• Mg, K

• P, Ge

• O, S

• Si, Ga

select the odd one out

• Ce

• Pr

• Pa

• Eu

Baba woke up and the element that inspired him for this week was INDIUM, what is the chemical symbol for indium

• Im
• In
• I

• Iu

Y & Lu are in the same group

• TRUE

• FALSE

• MAYBE

• ALL OF THE ABOVE

Which of the following is a physical property of indium?

• Hard, brittle, and opaque
• Highly reactive, volatile, and radioactive
• Conductive, magnetic, and transparent
• Soft, malleable, and ductile

Indium shares chemical similarities with which other elements

• Mercury
• Thallium

• Cadmium

• Aluminum
• Zinc

What is the primary application of indium in the electronics industry?

• • Battery electrodes

• • Superconductors

• Liquid crystal displays (LCDs)

• Solar panels

Indium is a member of which group in the periodic table

• Alkali metals

• Alkaline earth metals

• transition metals

• post - tansition metals

What is the electronic configuration of Indium

• [Ar] 3d10 4s2 4p1
• [Ne] 3s2 3p1
• [Xe] 4f14 5d10 6s2 6p1
• [Kr] 4d10 5s2 5p1

Indium is often alloyed with which other metal to make solder

• Lead
• Aluminum
• Copper
• Tin