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Calcium it's calcium here's proof if u don't trust me http://www.webelements.com/calcium/

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What makes close to 95 percent of the rocks of earths crust?

Silicates make up close to 95 percent of the rocks in the Earth's crust


What is the fifth most abundant element in the earths crust?

The fifth most abundant element in the Earth's crust is potassium. It makes up about 2.6% of the Earth's crust by weight.


Which element makes up a large portion of the earths solid crust?

Oxygen is the most abundant element in the Earth's crust, making up about 46.6% of its mass.


What element makes eighty percent of earths atmosphere?

the element of find onther place to look it up


Which element found in both biotite mica and muscovite mica makes up the greatest percent by volume of earths crust?

The element found in both biotite mica and muscovite mica that makes up the greatest percentage by volume of Earth's crust is oxygen. Oxygen is a very abundant element in the Earth's crust, forming the majority of the minerals and rocks that make up the Earth's surface.


What is the iron percentage in the earths crust?

In terms of weight, iron makes up approximately 5% of the earths crust, the fourth most abundant element in the crust. However, remember Earth's Core is nearly all Iron.


Which element makes up 78 percent earths atmosphere?

Nitrogen makes up 78% of Earth's atmosphere.


This element is the fifth most abundant element in the earth's crustand makes up more than 3 percent of the crust it reacts with water and is in the 2nd group of the periodic table this element is?

This element is calcium. It is the fifth most abundant element in the Earth's crust and makes up more than 3 percent of the crust. It reacts with water and belongs to the 2nd group of the periodic table.


Which element makes up a large percentage of Earths core and a much smaller percentage of the crust?

The principle element found at the Earth's core is iron.


What makes up the largest percentage of mass on earths crust?

Oxygen is the most abundant element in Earth's crust, making up about 47% of its mass. Silicon is the second most abundant element, comprising approximately 28% of the crust's mass.


What makes up78 percent of the earths atmosphere?

Nitrogen, which is an element. It has atomic number 7 on the Periodic Table of Elements.


What percent of Earths crust do silicates make up?

Silicates make up about 90% of Earth's crust. These minerals are composed of silicon and oxygen, along with other elements like aluminum, iron, calcium, and magnesium. Silicate minerals are the building blocks of most rocks on Earth's surface.