Dative covalent - Study guides, Revision notes & Summaries

Chemistry AQA AS EXAM 2024 QUESTIONS WITH 100% CORRECT ANSWERS Mass number - ANSWERS Total number of protons and neutrons. Atomic number - ANSWERS Numbers of protons in the nucleus and number of electrons in shells. Negative Ions - ANSWERS More electrons than protons. Positive ions - ANSWERS More protons than electrons. Relative isotopic mass - ANSWERS mass of an atom of an isotope of an element on a scale where an atom of carbon12 is 12. Relative atomic mass - ANSWERS average mass o...

AQA AS level Chemistry exam 2024 questions with 100% correct answers Nucleons - ANSWERS Protons and neutrons Electrons (location) - ANSWERS Surrounding the nucleus Relative mass of an electron - ANSWERS 1/1840 Strong nuclear force - ANSWERS The way protons and neutrons are held together in the nucleus Electrostatic forces - ANSWERS The attraction between protons and electrons that hold them together in the atom Atomic Number (Z) - ANSWERS The number of protons in the nucleus Mass nu...

what is water of crystallisation? - water molecules that make up part of the crystal structure of a solid define relative isotopic mass - the ass of an atom of an isotope of an element relative to one twelfth the mass of an atom of C-12 why is relative atomic mass written as a decimal? - it is a weighted average mass define molecular formula - the actual number of atoms of each element in a compound define what an orbital is - a region within an atom that can hold up to two electrons of op...

what is water of crystallisation? - correct answer water molecules that make up part of the crystal structure of a solid define relative isotopic mass - correct answer the ass of an atom of an isotope of an element relative to one twelfth the mass of an atom of C-12 why is relative atomic mass written as a decimal? - correct answer it is a weighted average mass define molecular formula - correct answer the actual number of atoms of each element in a compound define what an orbital is...

AQA A-Level Chemistry (new spec) 1.3 Bonding questions and answers latest top score. Ionic Bonding - ANS.The electrostatic force of attraction between two oppositely charged ions formed by electron transfer Covalent Bonding - ANS.A shared pair of electrons Dative Covalent Bonding (AKA Co-ordinate bonding) - ANS.Formed when the shared pair of electrons in the covalent bond come from only one of the bonding atoms. Metallic Bonding - ANS.The elect...

what is water of crystallisation? - correct answer water molecules that make up part of the crystal structure of a solid define relative isotopic mass - correct answer the ass of an atom of an isotope of an element relative to one twelfth the mass of an atom of C-12 why is relative atomic mass written as a decimal? - correct answer it is a weighted average mass define molecular fo...

1. what is water of crystallisation? - Ans .water molecules that make up part of the crystal structure of a solid 2. define relative isotopic mass - Ans .the ass of an atom of an isotope of an element relative to one twelfth the mass of an atom of C-12 3. why is relative atomic mass written as a decimal? - Ans .it is a weighted average mass 4. define molecular formula - Ans .the actual number of atoms of each element in a compound 5. define what an orbital is - Ans .a region within an at...

Reduction ֎ -:- gain of electrons Oxidation ֎ -:- losing electrons More negative the standard electrode potential ֎ -:- The stronger the reducing agent When drawing the setup for electrode potentials, don't forget to include... ֎ -:- - electrodes - ionic solutions (1 mol dm⁻³) - salt bridge - voltmeter How does a catalyst speed up a reaction? E x c e l l e n c e i s k e y | 2 0 2 4 / 2 0 2 5 ~ P a g e | 2 26/08/2024 | © Copyright- This work may not be copied for profit. ֎...

AQA A Level Chemistry Definitions questions and answers latest top score. Relative Atomic Mass - ANS.The weighted mean mass of an atom of an element relative to 1/12 of the mass of one atom of carbon-12 First Ionisation energy - ANS.The energy required to remove an electron from each atom in one mole of gaseous atoms Acid - ANS.A species that is a proton donor Activation Energy - ANS.The minimum energy required to start a reaction by the brea...

A level chemistry paper 2 questions and answers latest top score. Silver nitrate+ nitric acid + chloride ions - ANS.White precipitate Silver nitrate+ nitric acid + bromide ions - ANS.Cream precipitate Silver nitrate+ nitric acid + iodide ions - ANS.Yellow precipitate Substances that decolorise bromine water - ANS.Alkenes Electrophiles - ANS.Electron pair acceptors, attracted to electrons e.g H+ NaF and NaCl - ANS.Produces misty fumes wi...