Chemistry I Exam
... A German chemist, Johann Döbereiner (1780-1849) contributed to the formation of the modern Periodic Table by A. observing that properties of known elements arranged in order of the increasing atomic masses repeated every eighth element. B. observing that groups of three elements with similar propert ...
... A German chemist, Johann Döbereiner (1780-1849) contributed to the formation of the modern Periodic Table by A. observing that properties of known elements arranged in order of the increasing atomic masses repeated every eighth element. B. observing that groups of three elements with similar propert ...
Nuclear - Orangefield ISD
... ◦ Aristotle rejected Atomic Theory Respected for ideas on nature, physics, astronomy, etc., so most ignored Democritus’ ideas ...
... ◦ Aristotle rejected Atomic Theory Respected for ideas on nature, physics, astronomy, etc., so most ignored Democritus’ ideas ...
Chemical and Molecular Formulas PPT
... more than one chemical compound? A: Letters of the alphabet can be combined in many different ways to form words, the atoms of 2 or more elements can also be combined in different ways to form more than one type of compound • consider elements A&B: AB, A2B2, AB2 … • what does the subscript 2 represe ...
... more than one chemical compound? A: Letters of the alphabet can be combined in many different ways to form words, the atoms of 2 or more elements can also be combined in different ways to form more than one type of compound • consider elements A&B: AB, A2B2, AB2 … • what does the subscript 2 represe ...
Net Ionic Equations
... Important because: the binding of atoms results from the transfer or sharing of electrons. ...
... Important because: the binding of atoms results from the transfer or sharing of electrons. ...
Balancing reaction equations, oxidation state, and reduction
... Important because: the binding of atoms results from the transfer or sharing of electrons. ...
... Important because: the binding of atoms results from the transfer or sharing of electrons. ...
THE ATOM - McMaster Physics and Astronomy
... idea, and the idea of "atoms" fell by the wayside for many centuries. The concept of atoms was brought back in the late 1700's, after the Newtonian revolution and the invention of modern science was well underway. The new ideas about atomic properties originated with chemistry, not physics, and star ...
... idea, and the idea of "atoms" fell by the wayside for many centuries. The concept of atoms was brought back in the late 1700's, after the Newtonian revolution and the invention of modern science was well underway. The new ideas about atomic properties originated with chemistry, not physics, and star ...
Test Objectives: Unit 1 – Measurement
... o Be able to explain why energy is absorbed when a bond is broken & energy is released when a bond is formed o Ionic reactions are exothermic o Bond breaking is endothermic o Know that metals tend to form cations (+ ions) & non-metals tend to form anions (- ions) & together they form ionic compounds ...
... o Be able to explain why energy is absorbed when a bond is broken & energy is released when a bond is formed o Ionic reactions are exothermic o Bond breaking is endothermic o Know that metals tend to form cations (+ ions) & non-metals tend to form anions (- ions) & together they form ionic compounds ...
Honors Chemistry
... The metal can keep its element name and simply take Roman numerals indicating its charge. Eg. FeCrO4 CrO4 is chromate. Fe can be ferrous (if its +2) or ferric (if its +3). CrO 4 has a charge of -2. No subscripts, so Fe must be +2 ferrous chromate or iron (II) chromate c. Covalent: Non-metal + Non- ...
... The metal can keep its element name and simply take Roman numerals indicating its charge. Eg. FeCrO4 CrO4 is chromate. Fe can be ferrous (if its +2) or ferric (if its +3). CrO 4 has a charge of -2. No subscripts, so Fe must be +2 ferrous chromate or iron (II) chromate c. Covalent: Non-metal + Non- ...
Chapter 2. Atoms, Molecules, and Ions Common Student
... Common names are traditional names for substances (e.g., water, ammonia). Systematic names are based on a systematic set of rules. • Divided into organic compounds (those containing C, usually in combination with H, O, N, or S) and inorganic compounds (all other compounds). ...
... Common names are traditional names for substances (e.g., water, ammonia). Systematic names are based on a systematic set of rules. • Divided into organic compounds (those containing C, usually in combination with H, O, N, or S) and inorganic compounds (all other compounds). ...
Narration
... In determining the geometry of molecules, the valence shell electron pair repulsion model, or VSEPR [V S E P R], assumes that repulsions between electron pairs causes them to remain as far apart as possible. The geometry that the molecule ultimately adopts minimizes the repulsion between electron pa ...
... In determining the geometry of molecules, the valence shell electron pair repulsion model, or VSEPR [V S E P R], assumes that repulsions between electron pairs causes them to remain as far apart as possible. The geometry that the molecule ultimately adopts minimizes the repulsion between electron pa ...
CHEMICAL COMPOUNDS MOLECULAR COMPOUNDS IONIC
... - Dalton's theory does not mention this, but there is more than one way for atoms to come together to make chemical compounds! - There are TWO common kinds of chemical compound, classified based on how the atoms in the compound are held together: ...
... - Dalton's theory does not mention this, but there is more than one way for atoms to come together to make chemical compounds! - There are TWO common kinds of chemical compound, classified based on how the atoms in the compound are held together: ...
Oxidation Number Rules
... c. Hydrogen usually has an oxidation number of +1 except in metallic hydrides where it then has an oxidation number of -1 Examples: HCl, hydrogen is +1; NaH, hydrogen is -1. d. The halogens, unless bonded to an element with a higher electronegativity, have an oxidation number of -1. Examples: NaCl, ...
... c. Hydrogen usually has an oxidation number of +1 except in metallic hydrides where it then has an oxidation number of -1 Examples: HCl, hydrogen is +1; NaH, hydrogen is -1. d. The halogens, unless bonded to an element with a higher electronegativity, have an oxidation number of -1. Examples: NaCl, ...
File
... 21. What type of bonding is associated with compounds that have the following characteristics? • high melting points • conduct electricity in the molten state • solutions conduct electricity • normally crystalline solids at room temperature. A. covalent B. ionic C. hydrogen D. metallic 22. Which pai ...
... 21. What type of bonding is associated with compounds that have the following characteristics? • high melting points • conduct electricity in the molten state • solutions conduct electricity • normally crystalline solids at room temperature. A. covalent B. ionic C. hydrogen D. metallic 22. Which pai ...
Chapter 2 Powerpoint
... • They are named from the parent hydrocarbon; the suffix is changed to -ol and a number designates the carbon to which the hydroxyl is ...
... • They are named from the parent hydrocarbon; the suffix is changed to -ol and a number designates the carbon to which the hydroxyl is ...
Semester I CP Chemistry Review
... behave similarly in a chemical reaction. A period is a row and tells you how many energy levels the element has. ...
... behave similarly in a chemical reaction. A period is a row and tells you how many energy levels the element has. ...
15anespp
... They do this by abstracting a hydrogen atom from methane; a methyl radical is formed The methyl radical is also very reactive and attacks a chlorine molecule A chlorine radical is produced and the whole process can start over again ...
... They do this by abstracting a hydrogen atom from methane; a methyl radical is formed The methyl radical is also very reactive and attacks a chlorine molecule A chlorine radical is produced and the whole process can start over again ...
Chapter 20 – The Representative Elements
... reacted with very reactive metals, such as those of Group 1A and 2A metals: Li 3N, Mg3N2, Na3P, and Ca3P2 are examples. Most of the compounds of bismuth are also primarily covalent in character, but it forms ionic compounds with F2 to form BiF3 or when reacted with nitric acid to form bismuth nitrat ...
... reacted with very reactive metals, such as those of Group 1A and 2A metals: Li 3N, Mg3N2, Na3P, and Ca3P2 are examples. Most of the compounds of bismuth are also primarily covalent in character, but it forms ionic compounds with F2 to form BiF3 or when reacted with nitric acid to form bismuth nitrat ...
View PDF
... a. The atom in the ground state has less energy and is less stable than the atom in an excited state. b. The atom in an excited state has one fewer electron than the atom in the ground state. c. The atom in an excited state has more energy and is less stable than the atom in the ground state. d. The ...
... a. The atom in the ground state has less energy and is less stable than the atom in an excited state. b. The atom in an excited state has one fewer electron than the atom in the ground state. c. The atom in an excited state has more energy and is less stable than the atom in the ground state. d. The ...
國立嘉義大學九十二學年度
... (D) O and Zn (E) Al and Rb 2.According to the solubility rules which one of the following compounds is insoluble in water? (A) NaCl (B) MgBr2 (C) FeCl2 (D) AgBr (E) ZnCl2 3.Calculate the density in g/L of chlorine gas at STP (A) 2.13 × 10-2 g/L (B) 46.9 g/L (C) 1.58 g/L (D) 3.16 g/L (E) 0.316 kg/L 4 ...
... (D) O and Zn (E) Al and Rb 2.According to the solubility rules which one of the following compounds is insoluble in water? (A) NaCl (B) MgBr2 (C) FeCl2 (D) AgBr (E) ZnCl2 3.Calculate the density in g/L of chlorine gas at STP (A) 2.13 × 10-2 g/L (B) 46.9 g/L (C) 1.58 g/L (D) 3.16 g/L (E) 0.316 kg/L 4 ...
Chapter 2. Atoms, Molecules, and Ions
... It is critical that students learn the names and formulas of common and polyatomic ions as soon as possible. They sometimes need to be told that this information will be used throughout their careers as chemists (even if that career is only one semester). ...
... It is critical that students learn the names and formulas of common and polyatomic ions as soon as possible. They sometimes need to be told that this information will be used throughout their careers as chemists (even if that career is only one semester). ...
Atoms and Elements
... If you do the same thing with any element, you will reach an indivisible part that has the same properties of the element, like the single paper clip. This indivisible part is called an atom. ...
... If you do the same thing with any element, you will reach an indivisible part that has the same properties of the element, like the single paper clip. This indivisible part is called an atom. ...