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Chapter 4: Problem 39

The elements present in d-block are (a) metals and non-metals (b) only metals (c) only non-metals (d) metals, metalloids and non-metals

Short Answer

Expert verified
Answer: (b) only metals

Step by step solution

01

Review the structure of the periodic table

The periodic table is organized into rows called periods and columns called groups. Elements in the same group have similar chemical properties. The periodic table is split into 4 blocks: s-block, p-block, d-block, and f-block. The elements in each block have their highest energy electron in the corresponding type of orbital (s, p, d, or f).
02

Identify the d-block elements

The d-block elements are found in the middle of the periodic table, specifically from groups 3 to 12. They are also known as transition metals. Some common d-block elements include iron, copper, silver, gold, and platinum.
03

Understand the properties of d-block elements

D-block elements are known for their relatively high melting and boiling points, high densities, and metallic properties. They also have multiple oxidation states and form colorful compounds.
04

Determine the type of elements present in the d-block

Since d-block elements display metallic properties, have high densities, and form colorful compounds, it is evident that these elements are metals. Therefore, among the given options: (a) metals and non-metals (b) only metals (c) only non-metals (d) metals, metalloids and non-metals The correct answer is (b) only metals.

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Most popular questions from this chapter

Which one of the following electronic configuration corresponds to the element with maximum electropositive character? (a) \([\mathrm{Kr}] 5 \mathrm{~s}^{1}\) (b) \([\mathrm{Ne}] 3 \mathrm{~s}^{1}\) (c) [Ar]4s (d) [Xe]6s

Column A \(\quad\) Column \(\mathbf{B}\) A. s-block () a. Radioactive metal B. Fluorine () b. Highest first IP value C. Chlorine () c. Lanthanides D. d-block () d. Highly reactive metals E. 4 f-series () e. Heavy metals E Helium () f. Always form \(-1\) oxidation state G. Francium ( ) g. Highest electron affinity value H. Noble gases () \(\mathrm{h}\). Zero group elements

State whether the following statements are true or false. \(" s^{n}\) and "p" block elements except zero group are known as representative elements.

Which of the following properties is a periodic property? (a) colour (b) melting point (c) refractive index (d) atomic size

Which one of the following electronic configurations corresponds to the most electropositive character? (a) [He]2s? (b) [Ne]3s (c) [Ar]4s (d) [Xe]6s \({ }^{1}\)
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