Sodium and Chlorine Reactions

The video tutorial explains the type of reaction between sodium (Na) and chlorine (Cl) to form sodium chloride (NaCl). It identifies this as a combination or synthesis reaction, where two elements combine to form a compound. The tutorial further explains the formation of ionic bonds, where sodium donates an electron to chlorine, resulting in a positive charge for sodium and a negative charge for chlorine. This electron transfer leads to changes in the size of the atoms, with sodium becoming smaller and chlorine becoming larger.

What type of reaction occurs when sodium and chlorine combine?

• Single replacement reaction

• Combination reaction

• Decomposition reaction

• Double replacement reaction

What is another name for a combination reaction?

• Decomposition reaction

• Displacement reaction

• Redox reaction

• Synthesis reaction

What type of bond is formed between sodium and chlorine in NaCl?

• Metallic bond

• Covalent bond

• Ionic bond

• Hydrogen bond

How many sodium atoms are needed to form NaCl with one chlorine molecule?

• Two

• One

• Three

• Four

What charge does a sodium ion have after losing an electron?

• Negative

• Neutral

• No charge

• Positive

What happens to the size of a chlorine atom when it gains an electron?

• It becomes smaller

• It remains the same

• It disappears

• It becomes larger

What is the result of electron transfer between sodium and chlorine?

• Formation of an ionic bond

• Formation of a covalent bond

• Formation of a metallic bond

• No bond formation

What is the final product of the reaction between sodium and chlorine?

• NaCl2

• Na2Cl

• Na2Cl2

• NaCl