Interesting Chemistry Question (Metals And Non Metals)

In summary, metals and non-metals have distinct differences in their physical and chemical properties. Metals are solid at room temperature, have high conductivity, and are shiny, while non-metals are typically gases or solids, have low conductivity, and are not shiny. Rusting occurs in metals due to their instability and reaction with oxygen and water. Both metals and non-metals have important uses in everyday life and can react with each other to form ionic compounds. While metals have high melting points and are malleable and conductive, non-metals have lower melting points and are brittle with poor conductivity. However, there are exceptions to these properties.
  • #1
SankalpSethi
6
0
A 2 gram Magnesium (Mg) ribbon is burnt in air . The burnt ribbon is collected and weighed. Would it be greater than 2 grams or lesser?
 
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  • #2
more than two grams because the magnesium bonds with oxygen when energy is added and forms MgO
 
  • #3
The products would be equal to the mass of the reactants as it states in the law of conservation of mass.

2Mg + O2 → 2MgO

The 2 gram ribbon plus the weight of the oxygen required produces 2 grams plus the weight of the oxygen used.
 

1. What is the difference between metals and non-metals?

Metals are elements that are typically solid at room temperature, have high electrical and thermal conductivity, and are shiny in appearance. Non-metals, on the other hand, are elements that are typically gases or solids at room temperature, have low electrical and thermal conductivity, and are not shiny in appearance.

2. Why do some metals rust?

Rusting is a chemical reaction that occurs when iron or steel comes into contact with oxygen and water. This reaction produces a new compound, iron oxide, which is known as rust. Rusting occurs because metals are unstable in their natural state and tend to react with other elements in their environment.

3. How are metals and non-metals used in everyday life?

Metals have a wide range of uses in everyday life, such as in construction, transportation, electronics, and medicine. Non-metals also have important uses, such as in plastics, fertilizers, and fuels. Both metals and non-metals are essential for modern life and play a crucial role in various industries.

4. Can metals and non-metals react with each other?

Yes, metals and non-metals can react with each other to form compounds. These compounds are known as ionic compounds and are formed through the transfer of electrons from the metal to the non-metal. This type of reaction is called an ionic bond and results in the formation of a stable compound.

5. What are some common properties of metals and non-metals?

Some common properties of metals include high melting and boiling points, malleability, ductility, and conductivity. Non-metals, on the other hand, tend to have lower melting and boiling points, are brittle, and have poor electrical and thermal conductivity. However, there are exceptions to these properties and some elements may exhibit characteristics of both metals and non-metals.

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