What is a Alkaline earth metals ?

Question

Answer

The alkaline earth metal  are six chemical  elements in group 2 of the periodic table  They are beryllium(Be), magnesium(Mg), calcium (Ca), dtrontium (Sr), barium (Ba), and radium(Ra).The elements have very similar properties: they are all shiny, silvery-white,

Answer

This group includes beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba) and radium (Ra). Alkaline earth metals have only two electrons in their outermost electron layer. Alkaline earth metals get the name 'alkaline' because of the basic nature of the compounds they form when bonded with oxygen.

Answer

Alkaline Earth Metals

Alkaline earth metals are a group of chemical elements in the periodic table. They are part of Group 2, located on the left side of the periodic table. This group includes beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). These elements are known for their similar properties and characteristics.

Properties of Alkaline Earth Metals:
1. Atomic Structure: Alkaline earth metals have two valence electrons in their outermost energy level. This makes them highly reactive and eager to lose these electrons to form positive ions.
2. Metallic Nature: Alkaline earth metals are shiny, silvery-white metals. They have a metallic luster and are good conductors of electricity and heat.
3. High Melting and Boiling Points: These metals have relatively high melting and boiling points compared to other metals. For example, the melting point of magnesium is 650°C.
4. Density: Alkaline earth metals are generally less dense than transition metals but denser than alkali metals. For example, the density of calcium is 1.54 g/cm³.
5. Reactivity: Alkaline earth metals are less reactive than alkali metals but still highly reactive. They readily react with water, oxygen, and halogens to form various compounds.
6. Reducing Agents: These metals are strong reducing agents, meaning they can easily donate electrons and reduce other substances in chemical reactions.

Common Uses:
1. Magnesium: Magnesium is used in the production of lightweight alloys, such as those used in the aerospace industry. It is also used in fireworks, flares, and as a component of some medicines.
2. Calcium: Calcium is essential for the growth and development of bones and teeth. It is also used in the production of cement, as a reducing agent in the extraction of metals, and as a supplement in agriculture.
3. Barium: Barium compounds are used in various applications, including the production of glass, ceramics, and paints. Barium sulfate is commonly used as a contrast agent in medical imaging procedures.
4. Strontium: Strontium is used in the production of fireworks and flares due to its vibrant red color when ignited. It is also used in the manufacture of glass for color television screens.

Conclusion:
Alkaline earth metals are a group of elements with similar properties, including high reactivity and metallic nature. They have various applications in industries and everyday life, making them important elements in our society. Understanding their properties and behavior helps in harnessing their potential for various purposes.

Top Courses for Class 10View all

Science Class 10

Social Studies (SST) Class 10

Mathematics (Maths) Class 10

English Grammar Advanced

English Grammar Basic

Top Courses for Class 10

Top Courses for Class 10

Suggested Free Tests

Related Content

About Class 10

Class 10 Study Material

Class 10 All Subjects

NCERT Textbook Solutions

Other Classes

Important Links

Company