effective nuclear charge
... ◦ in general, the increase in mass is greater than the increase in volume ...
... ◦ in general, the increase in mass is greater than the increase in volume ...
atomic structure (see second part of ppt)
... • Atomic number: whole number that tells the number of protons • Mass number: Tells the mass of the element. Equal to protons plus neutrons • Average atomic mass: decimal on periodic table that tells the average mass of all of those elements in the world ...
... • Atomic number: whole number that tells the number of protons • Mass number: Tells the mass of the element. Equal to protons plus neutrons • Average atomic mass: decimal on periodic table that tells the average mass of all of those elements in the world ...
chapter2 - AlvarezHChem
... • To name an ionic compound: name the cation first, then, name the anion (with the word 'ion' omitted). It is not necessary to indicate the number of cations and anions in the compound because it is understood that the total positive charges carried by the cations must equal the total negative char ...
... • To name an ionic compound: name the cation first, then, name the anion (with the word 'ion' omitted). It is not necessary to indicate the number of cations and anions in the compound because it is understood that the total positive charges carried by the cations must equal the total negative char ...
Chapter 4: Atomic Structure
... They were discovered by using a device called a cathode ray. Electrons are extremely small and light about 1/2000 of a hydrogen atom ...
... They were discovered by using a device called a cathode ray. Electrons are extremely small and light about 1/2000 of a hydrogen atom ...
CHEMISTRY FINAL EXAM REVIEW SHEET
... Add the two half-reactions together, then cancel species which appear on both sides. ...
... Add the two half-reactions together, then cancel species which appear on both sides. ...
9.3 Atoms and Elements notes
... number of electrons in an atom = number of protons Electrons are arranged in energy levels (also known as shells) around the nucleus. The lowest energy levels are always filled first. These are closer to the nucleus and hold the least numbers of electrons. The first energy level can only hold 2 el ...
... number of electrons in an atom = number of protons Electrons are arranged in energy levels (also known as shells) around the nucleus. The lowest energy levels are always filled first. These are closer to the nucleus and hold the least numbers of electrons. The first energy level can only hold 2 el ...
Atomic Theory - Canton Local Schools
... • realized that atoms combine in very specific proportions (ratios) based on mass • all substances are made of atoms and they can not be created, divided or destroyed because they were made of a single substance • All atoms of the same element are exactly alike and different from other elements, the ...
... • realized that atoms combine in very specific proportions (ratios) based on mass • all substances are made of atoms and they can not be created, divided or destroyed because they were made of a single substance • All atoms of the same element are exactly alike and different from other elements, the ...
Chapter Two - Alfred State College intranet site
... Calculate the atomic mass of an element from the masses and abundances of its isotopes. Determine the number of atoms in a molecule from its chemical formula. Describe the arrangement of elements in the periodic table and explain the usefulness of the table. ...
... Calculate the atomic mass of an element from the masses and abundances of its isotopes. Determine the number of atoms in a molecule from its chemical formula. Describe the arrangement of elements in the periodic table and explain the usefulness of the table. ...
niels bohr model
... metals In 1912 while working for J.J Thompson, Bohr was introduced to Ernest Rutherford Rutherford development of an atomic model sparked Bohr’s interest in studying the atom ...
... metals In 1912 while working for J.J Thompson, Bohr was introduced to Ernest Rutherford Rutherford development of an atomic model sparked Bohr’s interest in studying the atom ...
Chemistry Of Life
... • Elements cannot be broken down into simpler chemicals through chemical methods ...
... • Elements cannot be broken down into simpler chemicals through chemical methods ...
Periodic Trends.notebook January 15, 2015 Periodic Trends Atomic Radius
... Atomic Radius Distance from the nucleus to the highest energy level Increases as you go down a group. This trend occurs because as you move from perriod to period an extra energy level is added. ex. Na has 3 energy levels and K has 4 energy level. K has a larger ionic radius. ...
... Atomic Radius Distance from the nucleus to the highest energy level Increases as you go down a group. This trend occurs because as you move from perriod to period an extra energy level is added. ex. Na has 3 energy levels and K has 4 energy level. K has a larger ionic radius. ...
elements and compounds
... 1830 – today we are up to over 100. Dimitri Mendeleev is the man responsible for organizing the Periodic Table as we see it today. It is organized in order of an increasing atomic mass. He also grouped elements that bonded alike and had similar properties – he even predicted a few. ...
... 1830 – today we are up to over 100. Dimitri Mendeleev is the man responsible for organizing the Periodic Table as we see it today. It is organized in order of an increasing atomic mass. He also grouped elements that bonded alike and had similar properties – he even predicted a few. ...
03Atomic_Structure 175KB Sep 13 2012 09:32:33 AM
... • The nucleus contains most of an atom's mass • It was discovered by Ernest Rutherford in ...
... • The nucleus contains most of an atom's mass • It was discovered by Ernest Rutherford in ...
The Atom - Taylorsville
... Five main points of Dalton's atomic theory 1. Elements are made of tiny particles called atoms. 2. All atoms of a given element are identical. ...
... Five main points of Dalton's atomic theory 1. Elements are made of tiny particles called atoms. 2. All atoms of a given element are identical. ...
review-basics-atomic-structure-and-electron-configurations-v1
... 16.) Why is Louis de Broglie’s proposal that all particles have wavelike properties significant for small particles such as electrons but not significant for large objects such as ourselves? ...
... 16.) Why is Louis de Broglie’s proposal that all particles have wavelike properties significant for small particles such as electrons but not significant for large objects such as ourselves? ...
Abstract
... changing isotope ratios, because heavier isotopes are more difficult to move than lighter ones. Such isotope changes are called mass-dependent fractionation. The large isotope fractionation takes place between two isotopes with a large mass difference. In the case of oxygen, the fractionation in (18 ...
... changing isotope ratios, because heavier isotopes are more difficult to move than lighter ones. Such isotope changes are called mass-dependent fractionation. The large isotope fractionation takes place between two isotopes with a large mass difference. In the case of oxygen, the fractionation in (18 ...
study guide - atomic srtucture/_classification of matter
... idea that all things were made of particles too small to see. He was laughed at. In the 1800’s John Dalton proposed the idea of the “Atomic Theory”. He had 5 theories, 3 of which are still believed today. They are: 1. All matter is composed of extremely small particles too small to see 2. In reactio ...
... idea that all things were made of particles too small to see. He was laughed at. In the 1800’s John Dalton proposed the idea of the “Atomic Theory”. He had 5 theories, 3 of which are still believed today. They are: 1. All matter is composed of extremely small particles too small to see 2. In reactio ...
Atomic history - Kenton County Schools
... • Democritus first person to use the term atom in 400 B.C. • Democritus defined the atom as being indivisible • Conservation of mass: mass cannot be created or destroyed during chemical and physical changes. ...
... • Democritus first person to use the term atom in 400 B.C. • Democritus defined the atom as being indivisible • Conservation of mass: mass cannot be created or destroyed during chemical and physical changes. ...
Atomic Structure and the Elements
... going across the table and the other is the Valence group number for 8 groups ...
... going across the table and the other is the Valence group number for 8 groups ...