Question Video: Identifying Which of the Period 4 d-Block Metals Is the Most Abundant in Earth’s Crust | Nagwa Question Video: Identifying Which of the Period 4 d-Block Metals Is the Most Abundant in Earth’s Crust | Nagwa

Question Video: Identifying Which of the Period 4 d-Block Metals Is the Most Abundant in Earth’s Crust Chemistry • Third Year of Secondary School

Which of the period four d-block metals is the most abundant in Earth’s crust?

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Video Transcript

Which of the period four d-block metals is the most abundant in Earth’s crust? (A) Zinc, (B) iron, (C) nickel, (D) titanium, or (E) copper.

In this question, we need to identify which listed period four d-block element is most abundant in the Earth’s crust. Period four metals are an essential group of elements. They make up around 6.3 percent of the chemical elements in the sea and Earth’s continental crust.

Now let us talk about the five chemical elements we can choose from: Ti, titanium; Fe, iron; Ni, nickel; Cu, copper; and Zn, zinc. Let us begin with zinc. This element is frequently used in inexpensive batteries and is also used for galvanization to prevent the corrosion of metals. Zinc makes up 0.0070 percent of the Earth’s crust.

Now we can move on to iron, which manufacturers usually extract from iron-containing ores. The iron element is a component of the steel alloy. Iron makes up 5.63 percent of Earth’s crust.

The next element is nickel. Nickel is commonly used in rechargeable batteries and makes up 0.0084 percent of the Earth’s crust.

Titanium is a relatively light metal, but it has very high strength and is resistant to corrosion. One of the primary uses of titanium is in the production of titanium–aluminum alloys and titanium dioxide, TiO2, in sunscreen. Within the Earth’s crust, there is 0.565 percent titanium.

Finally, copper is a well-known metal used in most countries for electrical wiring because it is a good conductor of electricity. Copper makes up 0.0060 percent of the Earth’s crust.

Therefore, the most abundant element in Earth’s crust from the period four d-block metals listed is (B), iron.

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