History of the Atom
... > Mass of 1.0073 amu (2000x bigger than electron) > Atomic number: (Z) # of protons in nucleus, identifies elements • Neutron: neutral particle found in the nucleus > Mass of 1.0087 amu (about the same as a proton) > Number of neutrons determines isotopes ...
... > Mass of 1.0073 amu (2000x bigger than electron) > Atomic number: (Z) # of protons in nucleus, identifies elements • Neutron: neutral particle found in the nucleus > Mass of 1.0087 amu (about the same as a proton) > Number of neutrons determines isotopes ...
Atomic Theory - Sardis Secondary
... An s type subshell consists of ONE s orbital A p type subshell consists of THREE p orbitals. A d type subshell consists of FIVE d orbitals. An f type subshell consists of SEVEN f orbitals. ...
... An s type subshell consists of ONE s orbital A p type subshell consists of THREE p orbitals. A d type subshell consists of FIVE d orbitals. An f type subshell consists of SEVEN f orbitals. ...
Unit 6 Naming Binary Compounds
... 1. To name a compound containing a polyatomic ion, state the cation first. You must determine if it is a main group metal or transition metal and name the cation properly. 2. Then name the anion. Use the proper name of the ...
... 1. To name a compound containing a polyatomic ion, state the cation first. You must determine if it is a main group metal or transition metal and name the cation properly. 2. Then name the anion. Use the proper name of the ...
Homework #1 Atoms
... 1. Dalton theorized that atoms are indivisible, but the discovery of _______________ particles changed this theory. Scientists now know that atoms are made up of electrons, which have a _____________ charge; _____________, which have a positive charge; and _____________, which are neutral. The latte ...
... 1. Dalton theorized that atoms are indivisible, but the discovery of _______________ particles changed this theory. Scientists now know that atoms are made up of electrons, which have a _____________ charge; _____________, which have a positive charge; and _____________, which are neutral. The latte ...
Year End Chemistry Review
... 6. Periodic Table, periods and group names 7. Periodic trends: (ionization energy, electron affinity, electronegativity, atomic radius) 8. Atomic number = # of _____ Mass number = # of ________ Isotopes are atoms of the same element, therefore having the same number of __________, but different numb ...
... 6. Periodic Table, periods and group names 7. Periodic trends: (ionization energy, electron affinity, electronegativity, atomic radius) 8. Atomic number = # of _____ Mass number = # of ________ Isotopes are atoms of the same element, therefore having the same number of __________, but different numb ...
Chapter 4:ааAtomic Structure Section 4.1анаDefining the Atom
... ● the mass of an atom can be determined using a mass spectrometer ○ the numbers are very small and impractical for working with ○ it is more useful to compare the relative masses of atoms using a reference isotope as a standard ■ the chosen isotope is carbon12 (assigned a mass of exactly 12 at ...
... ● the mass of an atom can be determined using a mass spectrometer ○ the numbers are very small and impractical for working with ○ it is more useful to compare the relative masses of atoms using a reference isotope as a standard ■ the chosen isotope is carbon12 (assigned a mass of exactly 12 at ...
Atomic Structure study guide # 1
... protons does each have? How many electrons does each have? Why is the number of protons the same for both and the number of electrons ...
... protons does each have? How many electrons does each have? Why is the number of protons the same for both and the number of electrons ...
Instructor`s Notes Atomic Tiles: Play Your Way from Atoms to
... 3a. Students know the structure of the atom and know it is composed of protons, neutrons, and electrons. 3b. Students know that compounds are formed by combining two or more different elements and that compounds have properties that are different from their constituent elements. 5a. Students know re ...
... 3a. Students know the structure of the atom and know it is composed of protons, neutrons, and electrons. 3b. Students know that compounds are formed by combining two or more different elements and that compounds have properties that are different from their constituent elements. 5a. Students know re ...
Electrochemistry
... A. Chemists assign a number to each element in a reaction called an _________________ state that allows him/her to determine the electron flow in the reaction. 1. Even though they look like them, oxidation states are not _________ charges! 2. Oxidation numbers can be assigned to each atom in an elem ...
... A. Chemists assign a number to each element in a reaction called an _________________ state that allows him/her to determine the electron flow in the reaction. 1. Even though they look like them, oxidation states are not _________ charges! 2. Oxidation numbers can be assigned to each atom in an elem ...
The Structure of the Atom Chapter 4
... Democritus was Aristotle. He didn’t believe in atoms. He thought matter was continuous. This idea succeeded for about 2000 years. Neither view was supported by experimental evidence until 1700. ...
... Democritus was Aristotle. He didn’t believe in atoms. He thought matter was continuous. This idea succeeded for about 2000 years. Neither view was supported by experimental evidence until 1700. ...
Chapter 2
... Most atoms combine chemically with other atoms to form molecules and compounds Molecule—two or more atoms bonded together (e.g., H2 or C6H12O6) Compound—two or more different kinds of atoms bonded together (e.g., C6H12O6) ...
... Most atoms combine chemically with other atoms to form molecules and compounds Molecule—two or more atoms bonded together (e.g., H2 or C6H12O6) Compound—two or more different kinds of atoms bonded together (e.g., C6H12O6) ...
Atoms, Molecules and Ions
... 1. All matter is made of indivisible and indestructible atoms. 2. All atoms of the same element are identical in their physical and chemical properties. ...
... 1. All matter is made of indivisible and indestructible atoms. 2. All atoms of the same element are identical in their physical and chemical properties. ...
Review Material
... For the Representative (s-block and p-block) Elements that form positive ions (cations), the radius of the positive ion will always be smaller than the radius of the corresponding atom. This is due primarily to the fact that when these elements form ions the outermost shell (highest value of n) is l ...
... For the Representative (s-block and p-block) Elements that form positive ions (cations), the radius of the positive ion will always be smaller than the radius of the corresponding atom. This is due primarily to the fact that when these elements form ions the outermost shell (highest value of n) is l ...
Summer - Honors Chemistry
... when forming ions. If an atom gains electrons, it becomes negative and is called an anion. Nonmetals form anions, and the name of that ion is given by adding “-ide” to the root of the element name (e.g. O-2 is oxide). If an atom loses electrons, it becomes positive and is called a cation. Metals for ...
... when forming ions. If an atom gains electrons, it becomes negative and is called an anion. Nonmetals form anions, and the name of that ion is given by adding “-ide” to the root of the element name (e.g. O-2 is oxide). If an atom loses electrons, it becomes positive and is called a cation. Metals for ...
Name
... 27. _____________________ is the particles or energy emitted from an atomic nucleus when it is unstable due to stronger ________________ repulsive forces than ______________ attractive forces. ...
... 27. _____________________ is the particles or energy emitted from an atomic nucleus when it is unstable due to stronger ________________ repulsive forces than ______________ attractive forces. ...
Quantum Atom:
... Transition absorb energy electron change orbitals and has higher energy Use results of hydrogen atom for other atoms Calculation predicts location in space in which electron is most likely found and energy of electron Orbitals location of electrons Shape is indicated by letter s, p, d, f s orbital ...
... Transition absorb energy electron change orbitals and has higher energy Use results of hydrogen atom for other atoms Calculation predicts location in space in which electron is most likely found and energy of electron Orbitals location of electrons Shape is indicated by letter s, p, d, f s orbital ...
PHYSICAL SCIENCE -- CHAPTER 10 READING GUIDE
... Describe the historical progression of the atomic theory (AT). Explain that science exists in a historical context. Relate the development of the AT to its historical context. Describe individuals and their contributions to the AT. Describe the various models of the atom. Describe the particles that ...
... Describe the historical progression of the atomic theory (AT). Explain that science exists in a historical context. Relate the development of the AT to its historical context. Describe individuals and their contributions to the AT. Describe the various models of the atom. Describe the particles that ...
File
... 9) What is relative abundance? How common its existence is represented as a percent. What must it always add up to? 100% Atom Calculations (you will find the key on the last page of this document) 1) What is the atomic number of each of the following elements? a. an atom that contains 37 electrons c ...
... 9) What is relative abundance? How common its existence is represented as a percent. What must it always add up to? 100% Atom Calculations (you will find the key on the last page of this document) 1) What is the atomic number of each of the following elements? a. an atom that contains 37 electrons c ...
Powerpoint Review
... gained energy or a lower orbit if it lost energy. Bohr’s model meant laws of classical physics did not apply to atoms. Bohr’s model was the beginning of a new field of study, called quantum physics. ...
... gained energy or a lower orbit if it lost energy. Bohr’s model meant laws of classical physics did not apply to atoms. Bohr’s model was the beginning of a new field of study, called quantum physics. ...
We cannot see an individual atom
... An oxygen atom with a mass number of 16 and an atomic number of 8 is represented thus... ...
... An oxygen atom with a mass number of 16 and an atomic number of 8 is represented thus... ...
Atomic Structure Notes
... - negatively charged electrons found in concentric circular orbits around the positive charged nucleus - electrons found at fixed energy levels orbiting at fixed distances from the nucleus - path closest to nucleus = lowest energy level - energy higher the farther the orbits are from the nucleus - t ...
... - negatively charged electrons found in concentric circular orbits around the positive charged nucleus - electrons found at fixed energy levels orbiting at fixed distances from the nucleus - path closest to nucleus = lowest energy level - energy higher the farther the orbits are from the nucleus - t ...
General Chemistry
... A (monatomic) anion is named by placing -ide at the end of the root of the element’s name. ...
... A (monatomic) anion is named by placing -ide at the end of the root of the element’s name. ...