Question

Which two elements make up the greatest percentages by mass in Earth’s crust?

(1) oxygen and potassium
(2) oxygen and silicon
(3) aluminum and potassium
(4) aluminum and silicon

Answer 1

The most appropriate option is :

`\hookrightarrow \bf2. \: \mathrm{ \underline{oxygen \: \: and \: \: silicon}}`

Since, they are the most abundant elements found in Earth's Crust.

• Oxygen (46%)

• Silicon (28%)

`\circ { \underline{ \boxed{ \sf{ \color{green}{ \mathrm{hope \: \: it \: \: helps \: \: you .....}}}}}}∘`