Complete ionic equation - Study guides, Class notes & Summaries

Matse 201 Exam 1 With Complete Solutions Metals metallic bonding where electrons are delocalized - dense, stiff, strong, ductile - high thermal & electrical conductivity - opaque, reflective Polymers/plastics covalent bonding where electrons are shared - soft, ductile, low strength, low density - thermal & electrical insulatiors - optically translucent or transparent Ceramics ionic bonding where electrons are donated and received - oxides, nitrides, carbides - hard, brittle...

The element bromine is extracted from seawater. Bromide ions are present in seawater in very low concentrations compared with chloride ions. (a) (i) Excess chlorine is added to acidified seawater, forming aqueous bromine. Write an ionic equation for the reaction of chlorine with bromide ions and explain how it shows that chlorine is more reactive than bromine. Equation: Explanation: ..............................................................................................................

AQA-7404-1-CHEMISTRY QUESTION PAPER 1-AS LEVEL-INORGANIC AND PHYSICAL CHEMISTRY-14May24. 0 1 A student does a series of reactions with aqueous solutions of some potassium halides (P, Q and R) of equal concentration. Each solution contains a different halide ion (chloride, bromide or iodide). The student adds 3 drops of bromine water to 3 drops of each aqueous solution of potassium halide. The student also adds 3 drops of the bromine water to 3 drops of water. Table 1 shows the student...

Semmelweis Entrance Exam (N) 2024/2025 Questions with Complete Solutions The mole concept - Correct Answer A method that allows the relative number of reactant particles involved in a chemical reaction to be known Avogadro's number - Correct Answer number of representative particles in a mole, 6.02 X 10^23 Basic structures of atoms - Correct Answer There is a nucleus in the center surrounded by an electron cloud or field Quantum numbers - Correct Answer Quantum numbers describe values...

AQA CHEMISTRY A LEVEL WITH COMPLETE SOLUTIONS covalent bond - ANSWER-a shared pair of electrons between non-metal elements co-ordinate bond - ANSWER-a shared pair of electrons where both electrons are supplied by one atom repulsion in shapes of molecules - ANSWER-Lone pair-lone pair > lone pair-bonding pair > bonding pair-bonding pair electronegativity - ANSWER-the power of an atom to attract the pair of electrons in a covalent bond hess' law - ANSWER-Total enthalpy chang...

HESI A2 Chemistry Exam Questions and Answers 100% pass What makes an atom's physical structure? - Correct Answer ️️ -A nucleus and orbits(sometimes known as electron clouds) What composes the center of the atom? - Correct Answer ️️ -Protons and neutrons What spins in the orbits of an atom? - Correct Answer ️️ -Electrons What are the energy levels of the atom called? - Correct Answer ️️ -Shells or orbits What is the term used to define an atom that is electrically charged?...

Chapter 3—Chemical Reactions MULTIPLE CHOICE 1. Nitroglycerin decomposes violently according to the balanced chemical equation below. 2 C3H5(NO3)3( )  3 N2(g) + 1/2 O2(g) + 6 CO2(g) + 5 H2O(g) Which of the following statements concerning this reaction is/are CORRECT? 1. Two moles of nitroglycerine will produce three moles of nitrogen and five moles of water. 2. Four molecules of nitroglycerine will produced one molecule of oxygen and twelve molecules of carbon dioxide. 3. Six grams...

MULTIPLE CHOICE 1. Nitroglycerin decomposes violently according to the balanced chemical equation below. 2 C3H5(NO3)3( )  3 N2(g) + 1/2 O2(g) + 6 CO2(g) + 5 H2O(g) Which of the following statements concerning this reaction is/are CORRECT? 1. Two moles of nitroglycerine will produce three moles of nitrogen and five moles of water. 2. Four molecules of nitroglycerine will produced one molecule of oxygen and twelve molecules of carbon dioxide. 3. Six grams of nitroglycerine w...

Cross through any work you do not want to be marked. Information For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 10 TOTAL • The marks for questions are shown in brackets. • The maximum mark for this paper is 105. 2 Answer all questions in the spaces provided. 0 1This question is about complexes of the transition metal chromium. 0 1 . 1 State the meaning of the term transition metal complex. [1 mark] Cr(PF3)6 is a complex of chromium that contains molecules of PF3...

ACS GEN CHEM 1 FINAL Exam 166 Questions with Verified Answers The physical material of the universe. It is anything that has mass and occupies space. - CORRECT ANSWER Matter is made up of relatively few elements. - CORRECT ANSWER Matter The smallest building block of matter. Smallest particle that retains the chemical property of the element (O, He, S). - CORRECT ANSWER Atom Each _______ is made of the same kind of atom - CORRECT ANSWER Element Combination of atoms held together i...