3—3 Review and Reinforcement
... 8. 1 atomic mass unit (amu) is equal to one twelfth of the mass of a carbon-12 atom. 9. Atoms with the same number of protons but different numbers of electrons are called isotopes. ...
... 8. 1 atomic mass unit (amu) is equal to one twelfth of the mass of a carbon-12 atom. 9. Atoms with the same number of protons but different numbers of electrons are called isotopes. ...
Atomic structure
... 1. The Atomic Number of an atom = number of protons in the nucleus. 2. The Atomic Mass of an atom = number of Protons + Neutrons in the nucleus. 3. The number of Protons = Number of Electrons. 4. Electrons orbit the nucleus in shells. 5. Each shell can only carry a set number of electrons. 6. Isotop ...
... 1. The Atomic Number of an atom = number of protons in the nucleus. 2. The Atomic Mass of an atom = number of Protons + Neutrons in the nucleus. 3. The number of Protons = Number of Electrons. 4. Electrons orbit the nucleus in shells. 5. Each shell can only carry a set number of electrons. 6. Isotop ...
Unit 2 Notes Atomic
... Electrons travel around the nucleus in welldefined paths called ___________ (like planets in a solar system). ! Electrons in different orbits have different amounts of _____________. ! The further from the nucleus, the more __________ an electron has. ...
... Electrons travel around the nucleus in welldefined paths called ___________ (like planets in a solar system). ! Electrons in different orbits have different amounts of _____________. ! The further from the nucleus, the more __________ an electron has. ...
CHAPTER 2 - HCC Learning Web
... valence electrons by two atoms • In a covalent bond, the shared electrons count as part of each atom’s valence shell • A molecule consists of two or more atoms held together by covalent bonds • A single covalent bond, or single bond, is the sharing of one pair of valence electrons • A double covalen ...
... valence electrons by two atoms • In a covalent bond, the shared electrons count as part of each atom’s valence shell • A molecule consists of two or more atoms held together by covalent bonds • A single covalent bond, or single bond, is the sharing of one pair of valence electrons • A double covalen ...
atoms-chemical
... unequal in their attraction for valence electrons that one atom strips an electron completely from the other becoming ions and form an ionic bond. • sodium with one valence electron • chlorine with 7 valence electrons ...
... unequal in their attraction for valence electrons that one atom strips an electron completely from the other becoming ions and form an ionic bond. • sodium with one valence electron • chlorine with 7 valence electrons ...
February 10 Clicker Questions
... 1. [Ne]3p7 2. [Ne]3s23p5 3. [Ne]3s23p6 4. [Ne]3s23d5 5. [Ne]3s23p33d2 Note: 1 is impossible (p-orbitals can hold a maximum of 6 electrons), 4 and 5 are not ground state configurations, while 3 has 18 electrons. ...
... 1. [Ne]3p7 2. [Ne]3s23p5 3. [Ne]3s23p6 4. [Ne]3s23d5 5. [Ne]3s23p33d2 Note: 1 is impossible (p-orbitals can hold a maximum of 6 electrons), 4 and 5 are not ground state configurations, while 3 has 18 electrons. ...
Lecture 2 - U of L Class Index
... An element is defined by its atomic number. Changing the number of protons in an atom (as in a nuclear reaction) changes the element. While atoms of the same element must have the same atomic number, they may have different mass numbers. If so, they are referred to as isotopes. Most elements have mo ...
... An element is defined by its atomic number. Changing the number of protons in an atom (as in a nuclear reaction) changes the element. While atoms of the same element must have the same atomic number, they may have different mass numbers. If so, they are referred to as isotopes. Most elements have mo ...
Chapter 03
... ►Electron configurations are described by writing the shell number and subshell letter in order of increasing energy. The number of electrons actually occupying each subshell is indicated by a superscript. ►A graphic representation can be made by indicating each orbital as a line and each electron ...
... ►Electron configurations are described by writing the shell number and subshell letter in order of increasing energy. The number of electrons actually occupying each subshell is indicated by a superscript. ►A graphic representation can be made by indicating each orbital as a line and each electron ...
Unit 1: Chapter 3
... 3. What are the characteristics/properties of an ionic bond? Ionic compounds occur when very reactive metals transfer 1 or more electrons to reactive nonmetals. The resulting positive metal ion and nonmetal negative ions are highly attracted, and strongly bonded together. ...
... 3. What are the characteristics/properties of an ionic bond? Ionic compounds occur when very reactive metals transfer 1 or more electrons to reactive nonmetals. The resulting positive metal ion and nonmetal negative ions are highly attracted, and strongly bonded together. ...
ATOMIC STRUCTURE AND MOLECULAR BONDING
... Atoms and molecules are small. If a bb was an atom and a marble was a small molecule then you would be the size of North America! Atoms (and molecules, atoms bonded together by their electrons) are about 10-10 meters. But what do they look like? Although we’ll never actually see them, the structure ...
... Atoms and molecules are small. If a bb was an atom and a marble was a small molecule then you would be the size of North America! Atoms (and molecules, atoms bonded together by their electrons) are about 10-10 meters. But what do they look like? Although we’ll never actually see them, the structure ...
Unit 3 - Section 5.1 Introduction to Chemistry
... different number of neutrons. The diagram shows three isotopes of hydrogen: protium (no neutrons), deuterium (1 neutron) and tritium (2 neutrons). Since neutrons has no electrical charge, the chemistry of the element is not impacted. However, the mass of the element changes. Isotopes can be stable o ...
... different number of neutrons. The diagram shows three isotopes of hydrogen: protium (no neutrons), deuterium (1 neutron) and tritium (2 neutrons). Since neutrons has no electrical charge, the chemistry of the element is not impacted. However, the mass of the element changes. Isotopes can be stable o ...
Notes - Science 2015-2016
... ▫ Protons and neutrons are in the _________ ? ▫ Electrons are located __________ ? ...
... ▫ Protons and neutrons are in the _________ ? ▫ Electrons are located __________ ? ...
Atomic Structure. Chemical Bonds.
... Electrons with the same quantum number n are about the same distance from the nucleus, move in about the same electric field, and have similar energies. Such electrons occupy the same atomic shell. The energy of an electron depends also on the quantum number l. ...
... Electrons with the same quantum number n are about the same distance from the nucleus, move in about the same electric field, and have similar energies. Such electrons occupy the same atomic shell. The energy of an electron depends also on the quantum number l. ...
Properties of Metals vs. Nonmetals vs. Metalloids
... Using the periodic table on page 10 of this study guide, answer the following questions: 1. Which element stands alone in its family? _______________ 2. Which element has a larger atomic radius O or Ca? _____________ 3. Which element has a larger atomic radius Ca or Ba? _____________ 4. Which elemen ...
... Using the periodic table on page 10 of this study guide, answer the following questions: 1. Which element stands alone in its family? _______________ 2. Which element has a larger atomic radius O or Ca? _____________ 3. Which element has a larger atomic radius Ca or Ba? _____________ 4. Which elemen ...
Atomic Structure and Periodic Table Unit Notes Elements
... Elements- An element is either classified as a metal, nonmetal, or metalloid. The classification depends on the element’s location on the periodic table. Properties of Metals: o Metals are elements that have luster, conduct heat and electricity, and usually bend without breaking. Metals are also duc ...
... Elements- An element is either classified as a metal, nonmetal, or metalloid. The classification depends on the element’s location on the periodic table. Properties of Metals: o Metals are elements that have luster, conduct heat and electricity, and usually bend without breaking. Metals are also duc ...
PowerPoint - De Anza College
... A. Relating Valence Electrons to Group Number • Elements in the same group have similar electron configurations. • Elements in the same group have the same number of valence electrons. ...
... A. Relating Valence Electrons to Group Number • Elements in the same group have similar electron configurations. • Elements in the same group have the same number of valence electrons. ...
Chapter 2 - WordPress.com
... A. Relating Valence Electrons to Group Number • Elements in the same group have similar electron configurations. • Elements in the same group have the same number of valence electrons. • The group number, 1A–8A, equals the number of valence electrons for the main group elements. • The exception is H ...
... A. Relating Valence Electrons to Group Number • Elements in the same group have similar electron configurations. • Elements in the same group have the same number of valence electrons. • The group number, 1A–8A, equals the number of valence electrons for the main group elements. • The exception is H ...
Chapter 1 Notes
... • A long time ago, scientists did not have any tools other than their five senses and their ability to reason. ...
... • A long time ago, scientists did not have any tools other than their five senses and their ability to reason. ...
FE Review Chemistry - UTSA College of Engineering
... c) Both elements and compounds are composed of atoms d) All substances contain atoms e) substances are always homogeneous 2. Which statement is incorrect? a) An element may be separated into atoms b) An element may be a gas, a liquid, or a solid c) A compound can be separated into its elements by ch ...
... c) Both elements and compounds are composed of atoms d) All substances contain atoms e) substances are always homogeneous 2. Which statement is incorrect? a) An element may be separated into atoms b) An element may be a gas, a liquid, or a solid c) A compound can be separated into its elements by ch ...
Unit 4
... the role of protons and valence electrons in determining the atom’s chemical properties. Questions and Stems: ● What are subatomic particles, what are their charges, and where are they found? ● What is the nuclear model of the atom? ● What is the mass of an atom and how is that determined? ...
... the role of protons and valence electrons in determining the atom’s chemical properties. Questions and Stems: ● What are subatomic particles, what are their charges, and where are they found? ● What is the nuclear model of the atom? ● What is the mass of an atom and how is that determined? ...
Agenda/To Do - Perry Local Schools
... B. Non-metals- right side of periodic table (except H) C. Metalloids- form a zig zag line splitting the metals and non-metals ...
... B. Non-metals- right side of periodic table (except H) C. Metalloids- form a zig zag line splitting the metals and non-metals ...
File - Flipped Out Science with Mrs. Thomas!
... Atom – The atom is a basic unit of matter and the smallest unit of an element. Atomic Mass – The total number of protons and neutrons in an atom Atomic Number – The number of protons in an atomic nucleus Balanced equation - occurs when the number of the different atoms of elements in the reactants s ...
... Atom – The atom is a basic unit of matter and the smallest unit of an element. Atomic Mass – The total number of protons and neutrons in an atom Atomic Number – The number of protons in an atomic nucleus Balanced equation - occurs when the number of the different atoms of elements in the reactants s ...