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The video explains the chemical reaction between sodium and chlorine, forming sodium chloride, a common table salt. It describes how metal atoms like sodium lose electrons to non-metal atoms like chlorine, resulting in ionic bonds. These bonds create strong ionic compounds with high melting and boiling points. The transformation from dangerous elements to harmless compounds is highlighted, emphasizing the stability and properties of ionic compounds.

What happens when sodium and chlorine combine chemically?

• They produce a flammable liquid.

• They remain as separate elements.

• They form a toxic gas.

• They create a harmless compound known as table salt.

Why do metal atoms tend to lose electrons?

• To become negatively charged.

• To achieve a full outer shell and become stable.

• To form covalent bonds.

• To increase their atomic number.

What is the result of sodium losing its outer electron to chlorine?

• Sodium becomes a positively charged ion.

• Chlorine becomes a positively charged ion.

• Sodium becomes a neutral atom.

• Chlorine becomes a sodium ion.

What is the nature of the bond formed between sodium and chloride ions?

• Hydrogen bond

• Ionic bond

• Metallic bond

• Covalent bond

Why do ionic compounds have high melting and boiling points?

• Because they are liquid at room temperature.

• Because of the strong bonds between ions.

• Due to the weak bonds between ions.

• Because they are made of light elements.