Name: Period: ______ Date: Atom Models Elements are made up of
... 1. You will be drawing the electrons, protons, and neutrons of a given element on the periodic table Number of protons: 2. By looking at the atomic number, figure out how many protons it has 3. Draw those number of protons inside the nucleus Number of neutrons: 4. Then, subtract the number of proton ...
... 1. You will be drawing the electrons, protons, and neutrons of a given element on the periodic table Number of protons: 2. By looking at the atomic number, figure out how many protons it has 3. Draw those number of protons inside the nucleus Number of neutrons: 4. Then, subtract the number of proton ...
Atomic Theory
... Mass Number (___)- mass of atom in atomic unit Really the mass of the __________________________ Electrons are so tiny that they don’t count ...
... Mass Number (___)- mass of atom in atomic unit Really the mass of the __________________________ Electrons are so tiny that they don’t count ...
Chapter 4 Study Guide-Atomic Structure Define the following terms
... Atomic Mass Unit (amu)-unit of mass of a proton or neutron (1 amu each) Atomic number-number of protons, periodic table Dalton’s Atomic Theory-first theory to relate chemical changes to events at the atomic level Electron-negatively charged subatomic particle, lives outside of the nucleus Group-vert ...
... Atomic Mass Unit (amu)-unit of mass of a proton or neutron (1 amu each) Atomic number-number of protons, periodic table Dalton’s Atomic Theory-first theory to relate chemical changes to events at the atomic level Electron-negatively charged subatomic particle, lives outside of the nucleus Group-vert ...
Atomic Structure of hydrogen
... Cancer treatment – A weak beam of radiation will kill cancer cells more readily than healthy cells. Carbon dating – All living things contain a known proportion of radioactive carbon-14 atoms. When an organism dies it stops taking in new carbon atoms so the proportion of carbon-14 atoms slowly drops ...
... Cancer treatment – A weak beam of radiation will kill cancer cells more readily than healthy cells. Carbon dating – All living things contain a known proportion of radioactive carbon-14 atoms. When an organism dies it stops taking in new carbon atoms so the proportion of carbon-14 atoms slowly drops ...
Greek philosophers (300 BC)
... Why electrons don’t crash into the nucleus: they have enough energy to keep them away. Why e-s (usually) don’t fly off of atoms: they have enough attraction to the nucleus to keep them in “orbit.” (Kind of like planets in orbit around the sun.) ...
... Why electrons don’t crash into the nucleus: they have enough energy to keep them away. Why e-s (usually) don’t fly off of atoms: they have enough attraction to the nucleus to keep them in “orbit.” (Kind of like planets in orbit around the sun.) ...
Isotopes and Average Atomic Mass
... (2) Ca-42, Ca-44 Ca-42: 20 p+, 20 e-, 22 nO Ca-44: 20 p+, 20 e-, 24 nO ...
... (2) Ca-42, Ca-44 Ca-42: 20 p+, 20 e-, 22 nO Ca-44: 20 p+, 20 e-, 24 nO ...
Atomic Theory WS
... 18. List the 3 subatomic particles, their symbols and the rest of the information found in a table in the PowerPoint. ...
... 18. List the 3 subatomic particles, their symbols and the rest of the information found in a table in the PowerPoint. ...
Nuclear Physics Rutherford`s model of the atom
... electron) is ejected from the nucleus. In order to still have conservation laws obeyed, a very small, neutral particle must also be emitted from the nucleus. That particle is called an antineutrino. (Beta Negative Decay Formula) Beta + : Beta positive is where a proton decaying into a neutron and a ...
... electron) is ejected from the nucleus. In order to still have conservation laws obeyed, a very small, neutral particle must also be emitted from the nucleus. That particle is called an antineutrino. (Beta Negative Decay Formula) Beta + : Beta positive is where a proton decaying into a neutron and a ...
Goal 5 – Structure and Properties of Matter
... outside the nucleus, in which the electrons orbited much the same way that planets orbit the sun. Niels Bohr – stated that electrons orbit the nucleus according to specific energy levels, and that there was a maximum number of electrons that occupies each level. It was impossible to predict the exac ...
... outside the nucleus, in which the electrons orbited much the same way that planets orbit the sun. Niels Bohr – stated that electrons orbit the nucleus according to specific energy levels, and that there was a maximum number of electrons that occupies each level. It was impossible to predict the exac ...
ATOMS: THE BUILDING BLOCKS OF MATTER
... packed bundle of matter with a positive electric charge and bundle was called the nucleus. Composition of atomic nuclei: 1) made up of 2 kinds of particles: ____________________________ and ________________________________ 2) protons and electrons must be ___________________________________ 3) the _ ...
... packed bundle of matter with a positive electric charge and bundle was called the nucleus. Composition of atomic nuclei: 1) made up of 2 kinds of particles: ____________________________ and ________________________________ 2) protons and electrons must be ___________________________________ 3) the _ ...
1) Configurations of ions 2) Trends in atom size (atomic
... In this case, electrons are added to the same shell - on the periphery of the atom, and the # of inner-shell electrons is constant. The outer-shell electrons DO NOT shield each other from the increasing nuclear charge because they are spread out with approximately same average distance from the nucl ...
... In this case, electrons are added to the same shell - on the periphery of the atom, and the # of inner-shell electrons is constant. The outer-shell electrons DO NOT shield each other from the increasing nuclear charge because they are spread out with approximately same average distance from the nucl ...
Atomic Structure PPT
... configurations so different levels of bonding 2) Valence electrons are the electrons in the outer most shell. 3) Valence electrons are important because they affect how the element reacts with other elements. ...
... configurations so different levels of bonding 2) Valence electrons are the electrons in the outer most shell. 3) Valence electrons are important because they affect how the element reacts with other elements. ...
gr11chemreview
... 4. Why is the ionic radius of a negative ion larger than the atomic radius of the corresponding neutral atom? ...
... 4. Why is the ionic radius of a negative ion larger than the atomic radius of the corresponding neutral atom? ...
Chapter 2: Matter is Made up of Atoms
... (Def) Atoms of the same element w/different #s of neutrons. The number of neutrons can vary from atom to atom in an element. In order to know how many neutrons in an atom you must be told. The mass number tells you how much mass the atom has. ...
... (Def) Atoms of the same element w/different #s of neutrons. The number of neutrons can vary from atom to atom in an element. In order to know how many neutrons in an atom you must be told. The mass number tells you how much mass the atom has. ...
Atomic Structure and the Periodic Table
... center of the atom. This is called the nucleus and it is VERY small compared to the size of the electron cloud. However, protons and neutrons are found in the nucleus and are much heavier than electrons. Because of this, almost all of the mass of an atom is found in the nucleus. The nucleus is said ...
... center of the atom. This is called the nucleus and it is VERY small compared to the size of the electron cloud. However, protons and neutrons are found in the nucleus and are much heavier than electrons. Because of this, almost all of the mass of an atom is found in the nucleus. The nucleus is said ...
3rd Quarter Test
... a) a polar covalent bond with an electronegativity difference of zero b) a polar covalent bond with an electronegativity difference between zero and 1.7 c) a non-polar covalent bond with an electronegativity difference of zero d) a non-polar covalent bond with an electronegativity difference between ...
... a) a polar covalent bond with an electronegativity difference of zero b) a polar covalent bond with an electronegativity difference between zero and 1.7 c) a non-polar covalent bond with an electronegativity difference of zero d) a non-polar covalent bond with an electronegativity difference between ...
What is the Matter?
... • Atoms are the basic building blocks of matter that make up everyday objects. A desk, the air, even you are made up of atoms! • There are 90 naturally occurring kinds of atoms. Scientists in labs have been able to make about 25 more. ...
... • Atoms are the basic building blocks of matter that make up everyday objects. A desk, the air, even you are made up of atoms! • There are 90 naturally occurring kinds of atoms. Scientists in labs have been able to make about 25 more. ...
Dalton`s Atomic Theory
... • All elements are composed of atoms. • All atoms of the same element have the same mass, and atoms of different elements have different masses. • Compounds contain atoms of more than one element. • In a particular compound, atoms of different elements always combine in the same way. ...
... • All elements are composed of atoms. • All atoms of the same element have the same mass, and atoms of different elements have different masses. • Compounds contain atoms of more than one element. • In a particular compound, atoms of different elements always combine in the same way. ...
Final
... electronegativity (table will be provided) Given a Lewis structure, be able to: identify the shape identify the hybridization of the central atom draw the molecule with the correct shape give the bonding description for all bonds within the structure Be able to determine whether a bond is nonpolar c ...
... electronegativity (table will be provided) Given a Lewis structure, be able to: identify the shape identify the hybridization of the central atom draw the molecule with the correct shape give the bonding description for all bonds within the structure Be able to determine whether a bond is nonpolar c ...
Atoms, Elements, and Ions
... (issues that weren’t known about ..yet) 1.Matter is composed of indivisible particles There are electrons, protons and neutrons 2.All atoms of a particular element are identical There are isotopes 3. Different elements have different atoms 4.Atoms combine in whole number ratios 5.Atoms can’t be crea ...
... (issues that weren’t known about ..yet) 1.Matter is composed of indivisible particles There are electrons, protons and neutrons 2.All atoms of a particular element are identical There are isotopes 3. Different elements have different atoms 4.Atoms combine in whole number ratios 5.Atoms can’t be crea ...
Electron configuration: shows which orbitals are occupied in an
... Inner electrons: A full noble gas electron configuration inside an atom - represented with noble gas symbol in brackets to make abbreviated electron configuration. ...
... Inner electrons: A full noble gas electron configuration inside an atom - represented with noble gas symbol in brackets to make abbreviated electron configuration. ...
Bio_130_files/Chemistry Review
... – Cations have lost one or more electrons giving them a positive charge(+) • Typically occur between elements on opposite sides of the periodic table. ...
... – Cations have lost one or more electrons giving them a positive charge(+) • Typically occur between elements on opposite sides of the periodic table. ...