Transition metals Study guides, Class notes & Summaries

Colour of MnO4- (+7 oxidation state) : purple Colour of CrO7 2- (+6 oxidation state) : orange Colour of V(O2)+ (+5 oxidation state) : yellow Colour of VO 2+ (+4 oxidation state) : blue Colour of V 3+ (+3 oxidation state) : green 2 Colour of Cr 3+ (+3 oxidation state) : green/violet Colour of Fe 3+ (+3 oxidation state) : yellow Colour of V 2+ (+2 oxidation state) : violet Colour of Mn 2+ (+2 oxidation state) : pale pink Colour of Fe 2+ (+2 oxidation state) : pale green Colour...

TCFP Fire Investigator Questions and Answers Is NFPA 921 a guide or a standard? It is the Guide for Fire and Explosion Investigations What are the six steps of the scientific method? Recognize the need Define the problem Collect the data Analyze the data Develop a hypothesis Test the hypothesis What step of the scientific method is inductive reasoning? Analyze the data What step of the scientific method is deductive reasoning? Test the hypothesis What are the four parts of the fire tetrahedr...

4 rounds the number of times you should comb through the lashes to check for separation of the lashes and stickies Straight Tweezers tweezers used to hold the side lashes away from the main isolated lash Curved Tweezers used to isolate the lash that you will then be placing on eyelash extensions on Non broken skin first line of defense against bacteria Loose Base a blunt end of an extension that fails to bond properly with the base of the natural eyelash W...

Detailed and comprehensive notes on units 3.2.5 and unit 3.2.6 (transition metals and metal-aqua ions) for AQA A level chemistry. Covers: transition metal properties, transition metal complexes, substitution reactions, coloured ions, variable oxidation states, catalysts and metal-aqua ion theory (reactions, observations). Includes reactions and key facts to learn.

NST2602 ASSIGNMENT 2. STUDENT NAME & SURNAME: SHANICE STORM JOHNS STUDENT NUMBER: MODULE: NST 2602 ASSIGNMENT REFERENCE NUMBER: Assignment 02: DATE OF SUBMISSION: 27/06/21 Image source: Google images QUESTION 1 Choose any THREE time periods. In each time period write a paragraph of ten lines based on your understanding of the differences of the time periods. Locate the time period in your own context. (15) 1. Bronze Age  The Bronze Age was a prehistoric period marked by the usag...

AQA A Level Chemistry Transition Metals – Colours Questions & Correct Answers/ Graded A+

Detailed and comprehensive notes on unit 3.2.5 (transition metals) of AQA A level chemistry. Covers: transition metal properties/trends, complex ions, substitution reactions, coloured ions, variable oxidation states and catalysts. Includes key equations and observations to learn.

Things to Memorize for IB Chem HL 100% Correct Percentage Yeild actual yield/theoretical yield x 100 Avogadro's Law for gases One mole of any gas occupies 22.7 L at STP Ideal Gas Law PV=nRT (n is equal to the number of moles of the substance and R is the gas constant 0.082 or 8.314) Molarity equation moles of solute/liters of solution Dilution M1V1=M2V2 Hydrogen Emission Spectrum Color lines indicate the wavelengths of light that are released Balmer series A set of spec...

TEST BANK. TABLE OF CONTENTS 1. Matter, Measurement, and Problem Solving 2. Atoms and Elements 3. Molecules and Compounds 4. Chemical Reactions and Chemical Quantities 5. Introduction to Solutions and Aqueous Reactions 6. Gases 7. Thermochemistry 8. The Quantum-Mechanical Model of the Atom 9. Periodic Properties of the Elements 10. Chemical Bonding I: The Lewis Model 11. Chemical Bonding II: Molecular Shapes, Valence Bond Theory, and Molecular Orbital Theory 12. Liquids, Solids, and Intermolecul...

AQA GCSE Separate Science Chemistry – Paper 1 Higher Tier Predicted Paper 2023 With marking scheme Name …………………………………………………………………… Date ………………… 1 hour 45 minutes allowed. You may use a calculator and an AQA periodic table. Grade boundaries These are VERY rough guesses! Getting a 7 on this paper does not guarantee you the same mark in the exam. • 9 70% • 8 60% • 7 50% • 6 45% • 5 35% ...