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Mindmap: Some Basic Concepts Of Chemistry | Chemistry Class 11 - NEET PDF Download

Mindmap: Some Basic Concepts Of Chemistry | Chemistry Class 11 - NEET

The document Mindmap: Some Basic Concepts Of Chemistry | Chemistry Class 11 - NEET is a part of the NEET Course Chemistry Class 11.
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FAQs on Mindmap: Some Basic Concepts Of Chemistry - Chemistry Class 11 - NEET

1. What is the difference between a physical change and a chemical change?
Ans. A physical change refers to a change in the physical properties of a substance, such as its shape, size, or state of matter, without altering its chemical composition. On the other hand, a chemical change involves a transformation of the substance into a new substance with different chemical properties.
2. How do atoms form chemical bonds?
Ans. Atoms form chemical bonds by either gaining, losing, or sharing electrons. This is because atoms are more stable when their outermost energy level is filled with electrons. Through this process, atoms can achieve a more stable electron configuration, similar to that of noble gases.
3. What is the periodic table and how is it organized?
Ans. The periodic table is a tabular arrangement of chemical elements, organized based on their atomic number, electron configuration, and recurring chemical properties. It consists of rows called periods and columns called groups. Elements within the same group tend to have similar chemical properties.
4. What are acids and bases?
Ans. Acids are substances that, when dissolved in water, release hydrogen ions (H+). They have a sour taste and can corrode certain metals. Bases, on the other hand, are substances that, when dissolved in water, release hydroxide ions (OH-). They have a bitter taste and can feel slippery.
5. How are chemical reactions represented using chemical equations?
Ans. Chemical reactions are represented using chemical equations, which are symbolic representations of the reactants and products involved in the reaction. The reactants are written on the left side of the equation, separated by a plus sign (+), while the products are written on the right side. Arrows indicate the direction of the reaction, and coefficients are used to balance the equation, ensuring that the number of atoms is conserved.
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