The most abundant element in Earth’s crust is Oxygen, making up about 46.6% by weight. It is mostly found in combination with silicon, aluminium, iron, calcium, sodium, potassium, and magnesium in the form of oxides, silicates, and other minerals. Silicon is the second most abundant (~27%).
The most abundant element in earth crust is _____?
Review the verified answer and explanation for this ASF Airports Security Force past-paper question on CampusFin.
Question context
This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the ASF Airports Security Force preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.