Diatomic molecules - Study guides, Class notes & Summaries

What are the 7 diatomic molecules? - ANSWER H₂, O₂, N₂, Cl₂, Br₂, I₂, F₂ How many of electrons are shared in a single, double, and triple bond? Give an example of each - ANSWER Single: 2 electrons, H₂ Double: 4 electrons, O₂ Triple: 6 electrons, N₂ Compare and contrast sigma and pi bonds. What overlaps and how to form each of the bonds? Please be detailed and include the hybrid vs. non-hybrid orbitals. - ANSWER Sigma bonds are single bonds, they are formed from a ...

Atoms - Matter is made up of Atom - The the smallest distinguishable part of an element Theories - Can change overtime according to the evidence available Electrostatic forces - ALL atoms/molecules attract to one another due to Attractions - ________ lower potential energy of a system Repulsions - _____ raise potential energy of a system The attractive and repulsive forces are EQUAL or the potential energy is at a minimum - Stable systems form where The well - The most stable part of a g...

Yes because it can be tested and answered though observations and experiments - Consider the question: Is there an attractive force between a pencil and the earth? Is this a scientific question? [Yes or No] Because III. It can be tested and answered through observations and experiments IV. The answer is already known and we find it online V. There is no way to design an experiment to answer this question. Atoms are mostly empty space Atoms are in constant motion - Which of the following ...

HESI A2 CHEMISTRY 2023- 2024 ALL 25 QUESTIONS WITH ANSWERS AND RATIONALES LATEST UPDATES 100% VERIFIED ANSWERS WITH EXPLANATION. 1. Which of the following substances allows for the fastest diffusion? A. gas B. solid C. liquid D. plasma Explanation: Diffusion is fastest through gases. The next fastest medium for diffusion is liquid, followed by plasma, and then solids. In chemistry, diffusion is defined as the movement of matter by the random motions of molecules. In a gas or...

HESI A2 Chemistry Questions with Answers and Explanations UPDATED 1. Which of the following substances allows for the fastest diffusion? A. gas B. solid C. liquid D. plasma Explanation: Diffusion is fastest through gases. The next fastest medium for diffusion is liquid, followed by plasma, and then solids. In chemistry, diffusion is defined as the movement of matter by the random motions of molecules. In a gas or a liquid, the molecules are in perpetual motion. For instance, in a quan...

HESI A2 Chemistry Questions with Answers and Explanations UPDATED 1. Which of the following substances allows for the fastest diffusion? A. gas B. solid C. liquid D. plasma Explanation: Diffusion is fastest through gases. The next fastest medium for diffusion is liquid, followed by plasma, and then solids. In chemistry, diffusion is defined as the movement of matter by the random motions of molecules. In a gas or a liquid, the molecules are in perpetual motion. For instance, in a quan...

Acidic solution - A solution in which the concentration of H3O+ is greater than the concentration of OH- Also, a solution in which pH is less than 7. Anions - negatively-charged ions (meaning they have more electrons than protons due to having gained one or more electrons). Arrhenius base - increases the concentration of OH- ions. Atom - An atom is the smallest unit of ordinary matter that forms a chemical element. Every solid, liquid, gas, and plasma is composed of neutral or ionized atom...

CHAPTERS 7-8 QUESTION AND ANSWER 2024 GRADED A+ UPGRAD Why do atoms bond? ANSWER = To become more stable. To reach lowest energy state they can An atom becomes more stable by bonding with another atom if the resulting electron configuration is more like that of what group of elements? ANSWER = Noble gases Chemical bonds between atoms involve the rearrangement of *blank* to maximise stability ANSWER = Valence electrons Type of bond that forms between 2 or more atoms that have high elect...

SAMPLE CHEMISTRY PLACEMENT EXAM QUESTIONS WITH COMPLETE SOLUTIONS 100% 2023/2024 Answer: Oxygen Aluminum forms a +3 ion. In order for the formula unit Al₂X₃ to be electrically neutral, the element X must form a -2 ion. Nonmetals in the oxygen column do this. Of these elements, only oxygen is a diatomic gas. Aluminum reacts with element X to form a compound with the formula A₂X₃. Element X exists as diatomic molecules, X₂, in the gaseous state at normal temperature and pressure. Elem...

What is a chemical formula? - Answer a combination of symbols of the various elements that make up the compound Define Molar Mass - Answer The sum of atomic masses, based on chemical formula What are the units of Molar Mass (MM) - Answer Grams/Mole (g/mol) Number of moles can be found by - Answer a. Atoms of an element b. Molecules of a molecular compound One Mole equals ? - Answer Avogardo's number = 6.022 x 10^23 atoms/molecules How do you calculate molecules and ...