What is ionisation - Study guides, Class notes & Summaries

Chapter4 chemistry Inorganic chemistry with 100% Correct Answers | Verified | Updated What happens when Group 2 metals react ? - answerWhen group 2 metals react they lose 2 ions and have a +2 charge What is the electronic configuration of all group 2 metals - answerAll group w metals end withe S2 What happens to the ionisation energy as move down group 2 metals. - answerAs you move diwn group 2 tye ionisation energy decreases because there is more shielding (from the positive nucleus an...

Chapter4 chemistry Inorganic chemistry with 100% Correct Answers | Verified | Updated What happens when Group 2 metals react ? - answerWhen group 2 metals react they lose 2 ions and have a +2 charge What is the electronic configuration of all group 2 metals - answerAll group w metals end withe S2 What happens to the ionisation energy as move down group 2 metals. - answerAs you move diwn group 2 tye ionisation energy decreases because there is more shielding (from the positive nucleus an...

What are the 4 halogens we study? Fluorine, chlorine, bromine and iodine Colour and state of fluorine at r.t.p Yellow gas Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:03 / 0:15 Full screen Brainpower Read More Colour and state of chlorine at r.t.p Yellow-green gas Colour and state of bromine at r.t.p Red-brown liquid, with a red-brown vapour forming when heated Colour and state of iodine at r.t.p Grey-black solid, with a pur...

What is meant by work function (2) - ANSWERMinimum energy required by an electron to escape from (1) a metal surface (1) What is meant by ionisation energy? (2) - ANSWERMinimum energy required to remove an electron from an atom (1) from the ground state (1) Why do emitted electrons have a kinetic energy that varies up to a maximum value? (4) - ANSWEREnergy of a photon is fixed/constant (1) Energy is required for electrons to overcome work function ø (1) Electrons deeper into/below the s...

first ionization energy - The energy required to convert one mole of gaseous atoms into gaseous atoms with a single positive charge standard enthalpy of formation - the enthalpy change when 1 mole of a compound is formed from its elements in their standard states under standard conditions Standard Enthalpy of Atomisation - The enthalpy change when one mole of gaseous atoms is formed from an element in its standard state Lattice enthalpy - The enthalpy change that occurs when one mole of a ...

2 OCR 2023 SECTION A You should spend a maximum of 25 minutes on this section. Write your answer to each question in the box provided. 1 Which statement explains the trend in boiling points down the halogens group? A Covalent bonds become stronger. B Induced dipole–dipole interactions (London forces) become stronger. C Ionic bonds become stronger. D Permanent dipole–dipole interactions become stronger. Your answer [1] 2 A hydrocarbon contains 85.71% carbon by mass. What is the em...

Inorganic AS AQA Chemistry What is a d-block (or f-block) element? - CORRECT ANSWER-An element that forms one or more stable ions with a partially filled d (or f) orbital What is an s-block (or p-block) element? - CORRECT ANSWER-An element with its outer electrons in the s (or p) orbitals What is the scientific name for the rows on the Periodic Table? - CORRECT ANSWER-Periods What is the scientific name for the columns on the Periodic Table? - CORRECT ANSWER-Groups What does the group numbe...

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...

What is the equation linking mass moles and MR? Mass=moles * MR What is the definition of Ar (relative atomic mass)? The average mass of an atom of an element compared to the mass of one twelfth of carbon 12. What does Mr stand for? Relative molecular mass Define relative isotopic mass. The mass of an isotope of an element compared to the mass of one twelfth of the mass of carbon 12 What is the relative mass of an electron? 1/1840 What is an isotope? Isotopes of an element are ato...

What is the charge of a proton? - ANSWERS +1 What is the charge of a neutron? - ANSWERS 0 What is the charge of an electron? - ANSWERS -1 What is the mass of a proton? - ANSWERS 1 What is the mass of a neutron? - ANSWERS 1 What is the mass of an electron? - ANSWERS 1/1800 What is an isotope? - ANSWERS Isotopes of an element are atoms with the same number of protons but different numbers of neutrons. Why do isotopes of an element all have the same chemical properties? - ANSWERS This is...