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🎆🌟📘 Prerequisites for Chapter 13: Nitrogen and Phosphorus 📘🌟🎆Before diving into 🚀 Chapter 13, which deals with Nitrogen and Phosphorus, students must have a solid understanding of the following concepts:🔬 1. Basic Atomic Structure 🧪Understand protons, neutrons, and electrons.🔬 2. The Periodic Table 📊Be familiar with the layout of the periodic table and the properties of elements based on their position.🔬 3. Chemical Bonding 💞Understand ionic, covalent, and metallic bonding.🔬 4. Oxidation States ⚖️Understand the common oxidation states of nitrogen and phosphorus.🌈🌟 20 Multiple Choice Questions for Chapter 13: Nitrogen and Phosphorus (Based on Prerequisites) 🌟🌈🤔 Which subatomic particle carries a negative charge? a) Proton b) Neutron c) Electron d) Nucleus🧐 Which element is in Group 15 and Period 2 of the periodic table? a) Nitrogen b) Oxygen c) Carbon d) Phosphorus😯 What type of chemical bond is formed by the sharing of electrons? a) Ionic bond b) Covalent bond c) Metallic bond d) Hydrogen bond🤓 How many valence electrons does nitrogen have? a) 3 b) 5 c) 2 d) 7😲 What is the most common oxidation state of phosphorus? a) +3 b) +5 c) -3 d) +1🧪 Which element is known as a pnictogen? a) Chlorine b) Phosphorus c) Bromine d) Iodine🎈 Which subatomic particle is found in the nucleus and has no charge? a) Proton b) Neutron c) Electron d) Quark🌡️ What type of chemical bond is formed by the transfer of electrons? a) Ionic bond b) Covalent bond c) Metallic bond d) Hydrogen bond💧 How many valence electrons does phosphorus have? a) 3 b) 5 c) 2 d) 7🌟 What is the oxidation state of nitrogen in nitrate (NO3-)? a) +3 b) +5 c) -3 d) +1🍶 Which element is essential for life and is a key component of amino acids and nucleic acids? a) Nitrogen b) Oxygen c) Carbon d) Phosphorus🧲 What is the maximum number of covalent bonds that nitrogen can form? a) 2 b) 3 c) 4 d) 5🎇 What is the most common oxidation state of nitrogen? a) +3 b) +5 c) -3 d) +1🌊 Which element is usedin fertilizers to promote plant growth? a) Nitrogen b) Oxygen c) Phosphorus d) Carbon🌱 Which subatomic particle is found in the nucleus and has a positive charge? a) Proton b) Neutron c) Electron d) Quark🌡️ What type of chemical bond is formed by the attraction between positively charged metal ions and the electrons around them? a) Ionic bond b) Covalent bond c) Metallic bond d) Hydrogen bond🎨 Which element is used in matches and fireworks? a) Chlorine b) Fluorine c) Bromine d) Phosphorus🧊 What is the oxidation state of phosphorus in phosphate (PO4^3-)? a) +3 b) +5 c) -3 d) +1🚀 Which element is a key component of DNA and RNA? a) Nitrogen b) Phosphorus c) Oxygen d) Carbon🧨 What is the term for the outermost electrons in an atom that are involved in chemical bonding? a) Core electrons b) Valence electrons c) Free electrons d) Bonding electrons🌈🌟 Answers 🌟🌈c) Electrona) Nitrogenb) Covalent bondb) 5b) +5b) Phosphorusb) Neutrona) Ionic bondb) 5b) +5a) Nitrogenb) 3c) -3c) Phosphorusa) Protonc) Metallic bondd) Phosphorusb) +5b) Phosphorusb) Valence electrons