Chapter 2 Atoms, Molecules, and Ions Section 2.1 The Atomic Theory
... Predict the path of alpha particles, beta particles, and gamma rays as they pass between two oppositely charged electrical plates. Set forth how Rutherford’s experiment concluded that atoms are mostly empty space with very small central cores, which are known as nuclei. Predict the path of protons, ...
... Predict the path of alpha particles, beta particles, and gamma rays as they pass between two oppositely charged electrical plates. Set forth how Rutherford’s experiment concluded that atoms are mostly empty space with very small central cores, which are known as nuclei. Predict the path of protons, ...
Physical Science
... mass of protons and neutrons are about the same mass of an electron is very, very close to zero (like a cloud) # of neutrons = mass # - atomic # average atomic mass – the weighted average mass of the mixture of isotopes (like grades done by %) ...
... mass of protons and neutrons are about the same mass of an electron is very, very close to zero (like a cloud) # of neutrons = mass # - atomic # average atomic mass – the weighted average mass of the mixture of isotopes (like grades done by %) ...
Chapter 5/6 Notes....Periodic Properties and the Periodic Table
... : The ______ needed to remove ____ electron from an atom : IE __________ as you move down a group : IE __________ as you move left to right : It takes a lot of energy to remove an electron from Fluorine because _________________________ : Hardly any energy required to remove an electron from Sodium ...
... : The ______ needed to remove ____ electron from an atom : IE __________ as you move down a group : IE __________ as you move left to right : It takes a lot of energy to remove an electron from Fluorine because _________________________ : Hardly any energy required to remove an electron from Sodium ...
Chapter 6 Review“The Periodic Table”
... What is the factor that contributes to the increase in ionization energy from left to right across a period? Smaller size = stronger hold on electrons ...
... What is the factor that contributes to the increase in ionization energy from left to right across a period? Smaller size = stronger hold on electrons ...
CPA Study Guide for Chapter 6 Test The Periodic Table Know the
... Trend in atomic radius; comparing radii in an isoelectronic series; comparing the radius of a parent atom to its ion Be able to identify the number of valence electrons in each family of the representative elements Be able to predict the charge on an ion based on the atoms tendency to obtain a noble ...
... Trend in atomic radius; comparing radii in an isoelectronic series; comparing the radius of a parent atom to its ion Be able to identify the number of valence electrons in each family of the representative elements Be able to predict the charge on an ion based on the atoms tendency to obtain a noble ...
Introduction to the Periodic Table Notes
... The nitrogen family is named after the element that makes up _____ of our atmosphere. This family includes nonmetals, metalloids, and metals. Atoms in the nitrogen family have 5 valence electrons. They tend to share electrons when they ________. Other elements in this family are phosphorus, arsenic, ...
... The nitrogen family is named after the element that makes up _____ of our atmosphere. This family includes nonmetals, metalloids, and metals. Atoms in the nitrogen family have 5 valence electrons. They tend to share electrons when they ________. Other elements in this family are phosphorus, arsenic, ...
Test Review Guide
... 4.2-----------------------------------------------------------------------------------------------------------------------------The elements are arranged on the periodic table according to their numbers of __________________. Chemical families have similar ___________characteristics because they hav ...
... 4.2-----------------------------------------------------------------------------------------------------------------------------The elements are arranged on the periodic table according to their numbers of __________________. Chemical families have similar ___________characteristics because they hav ...
Chemistry 104: Introduction to the Chemistry of Materials
... penalized 10% per day. No papers will be accepted after 12:45 pm on Monday, September 29. Grammar and Spelling 2 points Although the paper will be only a few paragraphs long, the information should be reported in complete sentences. Please use double spacing. Content 6 points 1. Identify the element ...
... penalized 10% per day. No papers will be accepted after 12:45 pm on Monday, September 29. Grammar and Spelling 2 points Although the paper will be only a few paragraphs long, the information should be reported in complete sentences. Please use double spacing. Content 6 points 1. Identify the element ...
College Chemistry – Atomic Structure / Periodic Table Test Study
... Know what an isotope is and be able to determine its number of neutrons Know the shapes of electron orbitals s, p, and d Be able to write electron configurations in "longhand", "shorthand" (with noble gas notation), and "up/down arrows" Know Hund's rule (must fill 1 electron in an orbital before pai ...
... Know what an isotope is and be able to determine its number of neutrons Know the shapes of electron orbitals s, p, and d Be able to write electron configurations in "longhand", "shorthand" (with noble gas notation), and "up/down arrows" Know Hund's rule (must fill 1 electron in an orbital before pai ...
Ch 2 Test Review part 2
... 10. What is the group number for elements that have a stable number of electrons in their outer energy level? a. 17 b. 18 c. 2 d. 1 11. Why do the noble gases NOT form compounds readily? a. Their outer energy levels have 8 valence electrons. b. They have empty outer energy levels. c. T ...
... 10. What is the group number for elements that have a stable number of electrons in their outer energy level? a. 17 b. 18 c. 2 d. 1 11. Why do the noble gases NOT form compounds readily? a. Their outer energy levels have 8 valence electrons. b. They have empty outer energy levels. c. T ...
nucleic acids - Cloudfront.net
... 1. Chemical compound= a substance formed by the combination of 2 or more elements in definite proportions. Example: Sodium Chloride = Table salt Forms when sodium and chlorine combine in a 1:1 ratio 2. Chemical formula= a short hand that shows chemical composition Example: Sodium Chloride= NaCl Chem ...
... 1. Chemical compound= a substance formed by the combination of 2 or more elements in definite proportions. Example: Sodium Chloride = Table salt Forms when sodium and chlorine combine in a 1:1 ratio 2. Chemical formula= a short hand that shows chemical composition Example: Sodium Chloride= NaCl Chem ...
u4ohnotes18f2005 - Teach-n-Learn-Chem
... in-between those of metals and nonmetals “semiconductors” ...
... in-between those of metals and nonmetals “semiconductors” ...
Review Sheet - Atoms, Elements, Periodic Table Ato
... Where are the 5 main groups of elements - Alkali Metals, Alkaline Earth Metals, Metals, Halogens and Noble Gases - on the periodic table? ...
... Where are the 5 main groups of elements - Alkali Metals, Alkaline Earth Metals, Metals, Halogens and Noble Gases - on the periodic table? ...
Chemistry: Unit 4 - Teach-n-Learn-Chem
... in-between those of metals and nonmetals “semiconductors” ...
... in-between those of metals and nonmetals “semiconductors” ...
The History of the Modern Periodic Table
... wrong group, then the weight must be wrong. (He corrected the atomic masses of Be, In, and U) • was so confident in his table that he used it to predict the physical properties of three elements that were yet unknown. ...
... wrong group, then the weight must be wrong. (He corrected the atomic masses of Be, In, and U) • was so confident in his table that he used it to predict the physical properties of three elements that were yet unknown. ...
File
... • Protons and neutrons make up the nucleus. Together, they form the mass of the atom – called the atomic mass. • The electrons spin around the outside of the nucleus in areas called shells or orbitals. Electrons are very small and do not add much to the mass of an atom. Protons have a positive (+) c ...
... • Protons and neutrons make up the nucleus. Together, they form the mass of the atom – called the atomic mass. • The electrons spin around the outside of the nucleus in areas called shells or orbitals. Electrons are very small and do not add much to the mass of an atom. Protons have a positive (+) c ...
PT NOTES WEBSITE
... 2. properties change drastically but there is a pattern (periodic or repeating pattern) a. 1st element is a very active solid metal b. last element is a very inactive gas There are 92 naturally occurring elements and several synthetic elements. ...
... 2. properties change drastically but there is a pattern (periodic or repeating pattern) a. 1st element is a very active solid metal b. last element is a very inactive gas There are 92 naturally occurring elements and several synthetic elements. ...
Elements of the Periodic Table
... Ordinary carbon steel is an alloy of carbon with iron. ■ Titanium is important as an alloying agent with many metals. These alloys are principally used in aircrafts and missiles as they have low density but can withstand high amounts of heat. ...
... Ordinary carbon steel is an alloy of carbon with iron. ■ Titanium is important as an alloying agent with many metals. These alloys are principally used in aircrafts and missiles as they have low density but can withstand high amounts of heat. ...
Chapter 4-1 & 4-2: The Periodic Table
... determined by the number of valence electrons Valence electrons are electrons that are in the outermost energy level of an atom (in the S and P orbital) ...
... determined by the number of valence electrons Valence electrons are electrons that are in the outermost energy level of an atom (in the S and P orbital) ...
Periodic Table Vocabulary Periodic Table – a chart that organizes
... – an element that does not conduct electricity or heat and is usually a gas at room temperature. Nonmetals are brittle, have high ionization energies and high electronegativity values. Nonmetals tend to gain electrons to form anions. Nonmetals are found on the right side of the boron staircase. ...
... – an element that does not conduct electricity or heat and is usually a gas at room temperature. Nonmetals are brittle, have high ionization energies and high electronegativity values. Nonmetals tend to gain electrons to form anions. Nonmetals are found on the right side of the boron staircase. ...
ionic and covalent bonding - Atomic Theory and Periodic Table
... by _______________ electrons between pairs of atoms. This sharing is called _______________ bonding. Covalent molecular substances may be elements, when the atoms are the same compounds _______________ or _______________ when the atoms are different. ...
... by _______________ electrons between pairs of atoms. This sharing is called _______________ bonding. Covalent molecular substances may be elements, when the atoms are the same compounds _______________ or _______________ when the atoms are different. ...
Period 2 element
The period 2 elements are the chemical elements in the second row (or period) of the periodic table. The periodic table is laid out in rows to illustrate recurring (periodic) trends in the chemical behavior of the elements as their atomic number increases; a new row is started when chemical behavior begins to repeat, creating columns of elements with similar properties.The second period contains the elements lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine, and neon. This situation can be explained by modern theories of atomic structure. In a quantum mechanical description of atomic structure, this period corresponds to the filling of the 2s and 2p orbitals. Period 2 elements obey the octet rule in that they need eight electrons to complete their valence shell. The maximum number of electrons that these elements can accommodate is ten, two in the 1s orbital, two in the 2s orbital and six in the 2p orbital. All of the elements in the period can form diatomic molecules except beryllium and neon.