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g11 chem review

QuestionAnswer
What is Ionization Energy? Amount of energy required to remove an e-
What is Atomic Radius? The distance from the centre of an atom to the outer boundary, it is also used to describe size of an atom.
What is electronegativity? The ability to attract shared e-
Why is Atomic Radius Trend going up(vertical) and down(across)? its going up because it has more orbitals and less E to remove e- It's going down because there's an increasing number of electron shells as you go across.
Why is Ionization energy Trend going down(vertical) and up(across)? its going down because more orbitals and less its going up because e- are closer to nucleus.
Why is Electronegativity Trend going down(vertical) and up(across)? Its going down because its has more orbitals and less ability to attract e- to valence shells Its going up because e- are closer to nucleus and it's easy to attract e- to valence shell
Who made the billiard ball model John Dalton
Who made the Raisin bun model JJ Thompson
Who made the planetary model Neils Bohr
Who made the electron cloud model Shrodinger
Who made the raisin Pudding Model Rutherford
What is an isotope atoms that contain the same number of p and e- but different number of n's.
What is a radioisotope Unstable nuclei that decay into different, often stable isotopes
what does the law of definite proportions state Elements in the same compound are always present in the same proportions by mass.
Molecular vs Empirical Molecular is normal formula empirical is simplified
Created by: chemdemon
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