For example, when a neutral fluorine atom in its gas state gains an electron, it releases energy to form a fluoride ion. The general factors that affect the electron affinity are listed below. Als je een vraag hebt, neem dan contact op met onze klantenservice. Have you ever wondered why it is called the "periodic" table? Nuclear charge: The greater the nuclear charge more will be the value for electron gain enthalpy because an increase in nuclear charge will increase the effective nuclear force on valence electrons. Not all elements form stable negative ions in which case the electron affinity is zero or even positive. Deze worden door ons en derde partijen gebruikt om je gebruiksgedrag op deze site te verzamelen. Chemistry: Electron affinity: period trend, Global Knowledge BV: E-learnings & Subscriptions, NL Leert Door: subsidie aanvragen & uitleg regeling, Better Presentations (online training) with Jonathan Schwabish, Tai Chi Qi Gong Fitness For Office -Ba Duan Jin Qi Gong, Sustainability of Social-Ecological Systems: the Nexus between Water, Energy and Food, Information Systems Certification and Accreditation Professional (Mile2 ISCAP) self-study, Investments II: Lessons and Applications for Investors, Organic Solar Cells - Theory and Practice. This is so because the second electron has to be forced to enter the mono negative ion. First, as the energy that is released by adding an electron to an isolated gaseous atom. Log in, How to interpret and use chemical formula to go from moles of one substance to moles, atoms or grams of another. Whereas while moving down a group in the periodic table, the atomic size increases thereby causing a decrease in the value of electron gain enthalpy. The elements are organized based on their electronic structure, which results in some interesting trends i…. Noble gases have significant positive enthalpy in the gain of electrons. Have you ever wondered why it is called the "periodic" table? What Is The Trend For Electron Affinity Electron affinities are generally most favorable for elements with high ionization energies. is the electron affinity. Therefore, the second electron affinity and further affinities are positive in nature. For Nog niet gevonden wat je zocht? M (g) + e – → M – (g) EA. Energy is supplied for removing an atom implies that energy will be released if an extra electron is added to the atom. In a period, as we move from left to right the atomic size decreases due to the increase in the nuclear force hence the electron gain enthalpy increases. The amount of energy released when a neutral atom in its gaseous state accepts an electron and gets converted into a negatively charged ion is known as electron affinity. Ontdek 86.741 producten om je volledige potentieel mee te bereiken. 9.000 online klassen today Of gratis NL Leert Door loopbaanadvies t.w.v. Daarom gebruiken we cookies om je gebruikservaring te verbeteren. The amount of energy released when an electron is added to a neutral atom to form an anion. The unit of electron affinity is electron volts per atom or kilojoule per mole. Er zijn nog geen veelgestelde vragen over dit product. Electron affinity increases upward across periods of a periodic table for the groups and from left to right, because the electrons added to the energy levels get closer to the nucleus, making the nucleus and its electrons more attractive. Electron affinity is the energy change when an electron is added to an atom to form an anion (negatively charged ion). 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This tutorial will try to CBSE Previous Year Question Papers Class 10, CBSE Previous Year Question Papers Class 12, NCERT Solutions Class 11 Business Studies, NCERT Solutions Class 12 Business Studies, NCERT Solutions Class 12 Accountancy Part 1, NCERT Solutions Class 12 Accountancy Part 2, NCERT Solutions For Class 6 Social Science, NCERT Solutions for Class 7 Social Science, NCERT Solutions for Class 8 Social Science, NCERT Solutions For Class 9 Social Science, NCERT Solutions For Class 9 Maths Chapter 1, NCERT Solutions For Class 9 Maths Chapter 2, NCERT Solutions For Class 9 Maths Chapter 3, NCERT Solutions For Class 9 Maths Chapter 4, NCERT Solutions For Class 9 Maths Chapter 5, NCERT Solutions For Class 9 Maths Chapter 6, NCERT Solutions For Class 9 Maths Chapter 7, NCERT Solutions For Class 9 Maths Chapter 8, NCERT Solutions For Class 9 Maths Chapter 9, NCERT Solutions For Class 9 Maths Chapter 10, NCERT Solutions For Class 9 Maths Chapter 11, NCERT Solutions For Class 9 Maths Chapter 12, NCERT Solutions For Class 9 Maths Chapter 13, NCERT Solutions For Class 9 Maths Chapter 14, NCERT Solutions For Class 9 Maths Chapter 15, NCERT Solutions for Class 9 Science Chapter 1, NCERT Solutions for Class 9 Science Chapter 2, NCERT Solutions for Class 9 Science Chapter 3, NCERT Solutions for Class 9 Science Chapter 4, NCERT Solutions for Class 9 Science Chapter 5, NCERT Solutions for Class 9 Science Chapter 6, NCERT Solutions for Class 9 Science Chapter 7, NCERT Solutions for Class 9 Science Chapter 8, NCERT Solutions for Class 9 Science Chapter 9, NCERT Solutions for Class 9 Science Chapter 10, NCERT Solutions for Class 9 Science Chapter 12, NCERT Solutions for Class 9 Science Chapter 11, NCERT Solutions for Class 9 Science Chapter 13, NCERT Solutions for Class 9 Science Chapter 14, NCERT Solutions for Class 9 Science Chapter 15, NCERT Solutions for Class 10 Social Science, NCERT Solutions for Class 10 Maths Chapter 1, NCERT Solutions for Class 10 Maths Chapter 2, NCERT Solutions for Class 10 Maths Chapter 3, NCERT Solutions for Class 10 Maths Chapter 4, NCERT Solutions for Class 10 Maths Chapter 5, NCERT Solutions for Class 10 Maths Chapter 6, NCERT Solutions for Class 10 Maths Chapter 7, NCERT Solutions for Class 10 Maths Chapter 8, NCERT Solutions for Class 10 Maths Chapter 9, NCERT Solutions for Class 10 Maths Chapter 10, NCERT Solutions for Class 10 Maths Chapter 11, NCERT Solutions for Class 10 Maths Chapter 12, NCERT Solutions for Class 10 Maths Chapter 13, NCERT Solutions for Class 10 Maths Chapter 14, NCERT Solutions for Class 10 Maths Chapter 15, NCERT Solutions for Class 10 Science Chapter 1, NCERT Solutions for Class 10 Science Chapter 2, NCERT Solutions for Class 10 Science Chapter 3, NCERT Solutions for Class 10 Science Chapter 4, NCERT Solutions for Class 10 Science Chapter 5, NCERT Solutions for Class 10 Science Chapter 6, NCERT Solutions for Class 10 Science Chapter 7, NCERT Solutions for Class 10 Science Chapter 8, NCERT Solutions for Class 10 Science Chapter 9, NCERT Solutions for Class 10 Science Chapter 10, NCERT Solutions for Class 10 Science Chapter 11, NCERT Solutions for Class 10 Science Chapter 12, NCERT Solutions for Class 10 Science Chapter 13, NCERT Solutions for Class 10 Science Chapter 14, NCERT Solutions for Class 10 Science Chapter 15, NCERT Solutions for Class 10 Science Chapter 16, Important Questions For Class 11 Chemistry, Important Questions For Class 12 Chemistry, CBSE Previous Year Question Papers Class 10 Science, CBSE Previous Year Question Papers Class 12 Physics, CBSE Previous Year Question Papers Class 12 Chemistry, CBSE Previous Year Question Papers Class 12 Biology, ICSE Previous Year Question Papers Class 10 Physics, ICSE Previous Year Question Papers Class 10 Chemistry, ICSE Previous Year Question Papers Class 10 Maths, ISC Previous Year Question Papers Class 12 Physics, ISC Previous Year Question Papers Class 12 Chemistry, ISC Previous Year Question Papers Class 12 Biology, \(Electron\ affinity = \frac{1}{Atomic\ Size}\), \(Electron\ affinity = Effective\ Nuclear\ Charge\), \(Electron\ affinity = \frac{1}{Screening\ Effect}\), \(Reactivity\ of\ non-metals = Electron\ affinity\), \(Oxidising\ power\ of\ element = Electron\ affinity\).

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