Name: Period: _____ Date
... 8. _____ average mass of all the isotopes of an element 9. _____ any charged particle, an atom that has gained or lost electrons 10. _____ s, p, d, f…sublevels of the electron cloud 11. _____ any element that tends to take electrons and get a negative charge 12. _____ part of an atom with a negative ...
... 8. _____ average mass of all the isotopes of an element 9. _____ any charged particle, an atom that has gained or lost electrons 10. _____ s, p, d, f…sublevels of the electron cloud 11. _____ any element that tends to take electrons and get a negative charge 12. _____ part of an atom with a negative ...
Atom - Images
... model was simple sphere thought the atom could not be split Atoms of same element exactly alike ...
... model was simple sphere thought the atom could not be split Atoms of same element exactly alike ...
Atom
... DEMOCRITUS Greek philosopher developed theory around 400 B.C. proposed that atoms make up all substances Atom — “unable to be divided” ...
... DEMOCRITUS Greek philosopher developed theory around 400 B.C. proposed that atoms make up all substances Atom — “unable to be divided” ...
Ch 4 and Ch 5 Study Guide (ICP) Multiple Choice Identify the choice
... 53. When an atom gains or loses energy, _______________________ jump between energy levels. 54. An electron that gains energy enters an excited state and absorbs a particle of light called a(n) ______________________. 55. The chemical properties of an atom are determined by _______________________, ...
... 53. When an atom gains or loses energy, _______________________ jump between energy levels. 54. An electron that gains energy enters an excited state and absorbs a particle of light called a(n) ______________________. 55. The chemical properties of an atom are determined by _______________________, ...
All of these can affect the rate at which a
... compounds so that each atom can have eight electrons in its outermost energy level? A octet rule B rule of eights C Avogadro principle D configuration rule 62. To draw a Lewis structure, one must know the A ionization energy of each atom. B number of valence electrons in each atom. C atomic mass of ...
... compounds so that each atom can have eight electrons in its outermost energy level? A octet rule B rule of eights C Avogadro principle D configuration rule 62. To draw a Lewis structure, one must know the A ionization energy of each atom. B number of valence electrons in each atom. C atomic mass of ...
Periodic Trends
... Ionization energy gets weaker as you move down a column on the periodic table. As you go down a column, you add another orbit so the negative electrons are further away from the positive protons and the attractive force between them is not as strong. It’s easier for anyone to come by an rip off ...
... Ionization energy gets weaker as you move down a column on the periodic table. As you go down a column, you add another orbit so the negative electrons are further away from the positive protons and the attractive force between them is not as strong. It’s easier for anyone to come by an rip off ...
Atoms and the Periodic Table
... • Noble gases (inert gases) located in family 18. They are stable and are not reactive with other elements. Other elements want to be like them and have their outer shell full. ...
... • Noble gases (inert gases) located in family 18. They are stable and are not reactive with other elements. Other elements want to be like them and have their outer shell full. ...
Chapter 2 Notes - Waterford Public Schools
... • Atoms are ionized at low pressure in the gas phase • The cations that form are accelerated toward a magnetic field • The extent to which the cation beam is deflected is inversely related to the mass of the cation • The resulting data is plotted with abundance on the y-axis and mass on the x-axis ...
... • Atoms are ionized at low pressure in the gas phase • The cations that form are accelerated toward a magnetic field • The extent to which the cation beam is deflected is inversely related to the mass of the cation • The resulting data is plotted with abundance on the y-axis and mass on the x-axis ...
The Periodic Table
... the core of an atom, called the nucleus The number of protons and neutrons add together to give the mass of the atom – each is designated a mass of 1 amu ...
... the core of an atom, called the nucleus The number of protons and neutrons add together to give the mass of the atom – each is designated a mass of 1 amu ...
Rules for Naming Elements/Compounds
... • Element names are abbreviated as follows: – Element names are abbreviated using 1, 2 or 3 letters. – The first letter is ALWAYS capitalized – The second or third letter if present is NEVER capitalized – subscripts indicate the number of atoms present of an element in a single molecule of an elemen ...
... • Element names are abbreviated as follows: – Element names are abbreviated using 1, 2 or 3 letters. – The first letter is ALWAYS capitalized – The second or third letter if present is NEVER capitalized – subscripts indicate the number of atoms present of an element in a single molecule of an elemen ...
Notes - Organization of Matter
... • Compounds are pure substances that are composed of two or more atoms that are chemically combined • Compounds can only be changed into simpler substances called elements by chemical changes ...
... • Compounds are pure substances that are composed of two or more atoms that are chemically combined • Compounds can only be changed into simpler substances called elements by chemical changes ...
The Periodic Table - Mr. Green's Home Page
... Atoms can be broken. There are many different particles We will learn about the three most important to chemistry Proton – positively charged, big mass Electron – negatively charged, very small mass Neutron – no charge, about the same mass as a proton ...
... Atoms can be broken. There are many different particles We will learn about the three most important to chemistry Proton – positively charged, big mass Electron – negatively charged, very small mass Neutron – no charge, about the same mass as a proton ...
The Periodic Table
... Atoms can be broken. There are many different particles We will learn about the three most important to chemistry Proton – positively charged, big mass Electron – negatively charged, very small mass Neutron – no charge, about the same mass as a proton ...
... Atoms can be broken. There are many different particles We will learn about the three most important to chemistry Proton – positively charged, big mass Electron – negatively charged, very small mass Neutron – no charge, about the same mass as a proton ...
- Chapter 7 Chapter 7 - Periodic Properties of the Elements
... due to increasing Zeff which draws the electrons closer to the nucleus causing the atom to decrease in size. ...
... due to increasing Zeff which draws the electrons closer to the nucleus causing the atom to decrease in size. ...
VIBRATIONS AND WAVES
... element (3) ____________________ have similar properties. The law of octaves did not work for all the known elements and was not generally (4) _____________________. ...
... element (3) ____________________ have similar properties. The law of octaves did not work for all the known elements and was not generally (4) _____________________. ...
Date
... The positively charged mass within an atom, composed of neutrons and protons, and possessing most of the mass but occupying only a small fraction of the volume of the atom. A sequence of elements arranged in order of increasing atomic number and forming one of the horizontal rows in the periodic tab ...
... The positively charged mass within an atom, composed of neutrons and protons, and possessing most of the mass but occupying only a small fraction of the volume of the atom. A sequence of elements arranged in order of increasing atomic number and forming one of the horizontal rows in the periodic tab ...
CH 5 Periodic Law
... - highly reactive metallic elements in group 1 - react with water to form hydrogen and alkaline solutions; burn in air - one outer electron, by losing this electron they become a cation, and become stable - soft metals; can be cut with a knife - shiny, but dull quickly due to oxygen and water in air ...
... - highly reactive metallic elements in group 1 - react with water to form hydrogen and alkaline solutions; burn in air - one outer electron, by losing this electron they become a cation, and become stable - soft metals; can be cut with a knife - shiny, but dull quickly due to oxygen and water in air ...
PHY–309 L. Solutions for homework set # 10. Textbook question Q
... electrons. But the electrons are so much lighter than the α particles — m(e) : m(α) ≈ 1 : 7300 — that when an α particle collides with an electron, it hardly notices the collision and keeps moving in almost the same direction with almost the same speed. For comparison, think of an M1 Abrams tank col ...
... electrons. But the electrons are so much lighter than the α particles — m(e) : m(α) ≈ 1 : 7300 — that when an α particle collides with an electron, it hardly notices the collision and keeps moving in almost the same direction with almost the same speed. For comparison, think of an M1 Abrams tank col ...
Matter Review
... • In your notes, use your periodic tables to determine the following for the elements at the bottom. – The number of protons – The number of neutrons – The number of shells – The number of electrons on the outer most shell (valence electrons) – Draw the atoms for each ...
... • In your notes, use your periodic tables to determine the following for the elements at the bottom. – The number of protons – The number of neutrons – The number of shells – The number of electrons on the outer most shell (valence electrons) – Draw the atoms for each ...
Chapter 4 Notes - Atomic Theory
... Bohr diagrams show how many electrons appear in each electron shell around an atom. (2, 8, 8, 18, 18) Valence electrons: electrons in the outermost shell ONLY. If the valence shell is full = stable If the valence shell is not full = reactive ...
... Bohr diagrams show how many electrons appear in each electron shell around an atom. (2, 8, 8, 18, 18) Valence electrons: electrons in the outermost shell ONLY. If the valence shell is full = stable If the valence shell is not full = reactive ...
Document
... In the solid state, lithum fluoride forms a very stable ionic crystal lattice structure where each Li+ is surrounded by six F- , and each Fis surrounded by six Li+. Strong electrostatic attractive forces among the ions of opposite charge stabilize the solid state structure. ...
... In the solid state, lithum fluoride forms a very stable ionic crystal lattice structure where each Li+ is surrounded by six F- , and each Fis surrounded by six Li+. Strong electrostatic attractive forces among the ions of opposite charge stabilize the solid state structure. ...
Bohr and Dot Diagrams Powerpoint
... Cation – An ion with a net positive charge, due to the loss of one or more electrons from a neutral atom. Usually formed by metals. Example: Sodium atom, Na, can readily lose an electron to become a sodium cation, Na+ Anion – An ion whose net charge is negative due to an increase in the number of el ...
... Cation – An ion with a net positive charge, due to the loss of one or more electrons from a neutral atom. Usually formed by metals. Example: Sodium atom, Na, can readily lose an electron to become a sodium cation, Na+ Anion – An ion whose net charge is negative due to an increase in the number of el ...
The Periodic Table HL Page 1 of 3 G. Galvin Name: Periodic Table
... -derive the electronic configurations of ions of s- and p-block elements only -describe the arrangement of electrons in individual orbitals of p-block atoms ...
... -derive the electronic configurations of ions of s- and p-block elements only -describe the arrangement of electrons in individual orbitals of p-block atoms ...
Atomic Models
... • Key Concept 30: Electron-dot structure (Lewis Structure) consists of the element’s symbol representing the nucleus, surrounded by dots representing the element’s valence ...
... • Key Concept 30: Electron-dot structure (Lewis Structure) consists of the element’s symbol representing the nucleus, surrounded by dots representing the element’s valence ...
Elements, basic principles, periodic table
... + ion smaller than the neutral atom b/c fewer e- feel the "pull" of the positively charged nucleus - ion is larger than the neutral atom Ions behave the same as atoms across the periodic table (row vs column Importance of the radius: molecules can only “fit” certain sizes ...
... + ion smaller than the neutral atom b/c fewer e- feel the "pull" of the positively charged nucleus - ion is larger than the neutral atom Ions behave the same as atoms across the periodic table (row vs column Importance of the radius: molecules can only “fit” certain sizes ...