Covalent Bonding - Effingham County Schools
... Potential energy changes during the formation of a hydrogenhydrogen bond. (a) The separated hydrogen atoms do not affect each other. (b) Potential energy decreases as the atoms are drawn together by attractive forces. (c) Potential energy is at a minimum when attractive forces are balanced by repul ...
... Potential energy changes during the formation of a hydrogenhydrogen bond. (a) The separated hydrogen atoms do not affect each other. (b) Potential energy decreases as the atoms are drawn together by attractive forces. (c) Potential energy is at a minimum when attractive forces are balanced by repul ...
Covalent Bonding - Effingham County Schools
... Potential energy changes during the formation of a hydrogenhydrogen bond. (a) The separated hydrogen atoms do not affect each other. (b) Potential energy decreases as the atoms are drawn together by attractive forces. (c) Potential energy is at a minimum when attractive forces are balanced by repul ...
... Potential energy changes during the formation of a hydrogenhydrogen bond. (a) The separated hydrogen atoms do not affect each other. (b) Potential energy decreases as the atoms are drawn together by attractive forces. (c) Potential energy is at a minimum when attractive forces are balanced by repul ...
Chapter 1 Glossary The Nature of Chemistry
... An ion formed from an atom that has lost one or more electrons and thus has become positively charged. Anion An ion formed from an atom that has gained one or more electrons and thus has become negatively charged. Ionic bond The attraction between a cation and an anion. Ionic hydrate Ionic compounds ...
... An ion formed from an atom that has lost one or more electrons and thus has become positively charged. Anion An ion formed from an atom that has gained one or more electrons and thus has become negatively charged. Ionic bond The attraction between a cation and an anion. Ionic hydrate Ionic compounds ...
Measuring and Calculating
... o 3rd develop mole ratios by dividing each number of moles by the smallest Round – 1st decimal place <2 round down, >8 round up and in-between multiply by a constant o 4th write the formula by using the whole numbers as the subscripts To determine the molecular formula from the empirical formula ...
... o 3rd develop mole ratios by dividing each number of moles by the smallest Round – 1st decimal place <2 round down, >8 round up and in-between multiply by a constant o 4th write the formula by using the whole numbers as the subscripts To determine the molecular formula from the empirical formula ...
Two valence electrons.
... Halogens easily combine with metals to form salts. The most reactive of all non-metals. ...
... Halogens easily combine with metals to form salts. The most reactive of all non-metals. ...
protons
... Chemical combination of 2 or more elements Water = H2O A compound can behave differently than the elements that make it up ...
... Chemical combination of 2 or more elements Water = H2O A compound can behave differently than the elements that make it up ...
6.1 ATOMS, ELEMENTS, and COMPOUNDS
... • Compounds cannot be broken down into simpler compounds or elements by physical means. -can be broken down by chemical means into simpler compounds or into their original elements -H2O can be broken down into hydrogen gas and oxygen gas • Elements can undergo chemical reactions to combine with othe ...
... • Compounds cannot be broken down into simpler compounds or elements by physical means. -can be broken down by chemical means into simpler compounds or into their original elements -H2O can be broken down into hydrogen gas and oxygen gas • Elements can undergo chemical reactions to combine with othe ...
Ionic and Covalent Bonding - Fall River Public Schools
... Does NOT depend on charges!! Covalent bonds will share electrons as both elements need to gain electrons to obtain full outer shell (8 valence electrons) ...
... Does NOT depend on charges!! Covalent bonds will share electrons as both elements need to gain electrons to obtain full outer shell (8 valence electrons) ...
Request for Mass Spectrometric Analysis
... Incomplete forms will cause samples to be rejected. Max turnaround time: 2 weeks. Write legibly. If your sample has special requirements (keep frozen until analysis, sensitive to acid, etc) please describe in Extra Notes. Samples can be submitted directly to room 318 or placed on the labeled counter ...
... Incomplete forms will cause samples to be rejected. Max turnaround time: 2 weeks. Write legibly. If your sample has special requirements (keep frozen until analysis, sensitive to acid, etc) please describe in Extra Notes. Samples can be submitted directly to room 318 or placed on the labeled counter ...
chemistry-2nd-edition-julia-burdge-solution
... Strategy: When writing formulas of molecular compounds, the prefixes specify the number of each type of atom in the compound. When writing formulas of ionic compounds, the subscript of the cation is numerically equal to the charge of the anion, and the subscript of the anion is numerically equal to ...
... Strategy: When writing formulas of molecular compounds, the prefixes specify the number of each type of atom in the compound. When writing formulas of ionic compounds, the subscript of the cation is numerically equal to the charge of the anion, and the subscript of the anion is numerically equal to ...
Redox
... This method is typically used for organic compounds, which contain many carbon, hydrogen, and oxygen atoms The advantage of the effective charge method is that you can determine which atom has been oxidized or reduced To determine effective charges, we will need to use some more advanced topics, suc ...
... This method is typically used for organic compounds, which contain many carbon, hydrogen, and oxygen atoms The advantage of the effective charge method is that you can determine which atom has been oxidized or reduced To determine effective charges, we will need to use some more advanced topics, suc ...
Honors Chemistry Exam Review Questions
... the nucleus of an atom is positively charged the nucleus of an atom contains mostly all the mass of the atom atoms are composed mainly of empty space electrons are contained in the nucleus of an atom ...
... the nucleus of an atom is positively charged the nucleus of an atom contains mostly all the mass of the atom atoms are composed mainly of empty space electrons are contained in the nucleus of an atom ...
CP PHYSICS
... Draw electric fields for the following: a. a positive charge with a strong field b. a negative charge with a weak field c. two positive charges d. two negative charges e. a negative charge and a positive charge f. two plates – one is positive and the other is negative What is electric shielding? Why ...
... Draw electric fields for the following: a. a positive charge with a strong field b. a negative charge with a weak field c. two positive charges d. two negative charges e. a negative charge and a positive charge f. two plates – one is positive and the other is negative What is electric shielding? Why ...
Unit 3 Practice Test
... A. Non-metals generally have the higher electronegativities and tend to attract electrons to themselves in a chemical bond. B. Elements with high ionization energies tend to have small atomic radii. C. Elements with high electronegativities generally form ions with small radii. D. The second ionizat ...
... A. Non-metals generally have the higher electronegativities and tend to attract electrons to themselves in a chemical bond. B. Elements with high ionization energies tend to have small atomic radii. C. Elements with high electronegativities generally form ions with small radii. D. The second ionizat ...
Chemical and Molecular Formulas PPT
... hormones in your body, and others are ionic, such as the salts in body fluids ...
... hormones in your body, and others are ionic, such as the salts in body fluids ...
The Relation between Salt and Ionic Transport Coefficients
... The relationship of the ionic mobilities determined in the absence of an electric field to the partial or individual ionic conductances (reference 6) m a y be mentioned. W h e n an electric current passes through the membrane, the relative contribution of each ion to the flow of current, i.e. the pa ...
... The relationship of the ionic mobilities determined in the absence of an electric field to the partial or individual ionic conductances (reference 6) m a y be mentioned. W h e n an electric current passes through the membrane, the relative contribution of each ion to the flow of current, i.e. the pa ...
Matter - Moodle
... • The chemical composition ______________________ A chemical property describes how a substance ________________ into a new substance Either by: • __________________ with other elements • _________________ __________________ into new substances ...
... • The chemical composition ______________________ A chemical property describes how a substance ________________ into a new substance Either by: • __________________ with other elements • _________________ __________________ into new substances ...
Chapter 1 Assignment Section 1.1 1. Why is air classified as matter
... 1. Why is a magnesium atom smaller than a sodium atom and a calcium atom? 2. Would you expect a Cl― ion to be larger or smaller than Mg2+? 3. Which would have a larger first ionization energy? a) Na or Li ...
... 1. Why is a magnesium atom smaller than a sodium atom and a calcium atom? 2. Would you expect a Cl― ion to be larger or smaller than Mg2+? 3. Which would have a larger first ionization energy? a) Na or Li ...
Solute - St John Brebeuf
... A conducting solution contains ions; the greater the concentration of ions, _____________the conductivity. A compound made up of a METAL and NONMETAL is IONIC, and forms a conducting solution in water because it breaks into ________ A substance made up of a NONMETAL and a NONMETAL is COVALENT, and w ...
... A conducting solution contains ions; the greater the concentration of ions, _____________the conductivity. A compound made up of a METAL and NONMETAL is IONIC, and forms a conducting solution in water because it breaks into ________ A substance made up of a NONMETAL and a NONMETAL is COVALENT, and w ...
Exam Solutions
... total charge Q residing on it as shown in an exaggerated fashion in the figure to the right. Point P is on the axis of the ring a distance x from the plane of the ring. (a) What is the linear charge density along the ring? [10] (b) What are the x and y components of the electric field at point P? ...
... total charge Q residing on it as shown in an exaggerated fashion in the figure to the right. Point P is on the axis of the ring a distance x from the plane of the ring. (a) What is the linear charge density along the ring? [10] (b) What are the x and y components of the electric field at point P? ...
Electrochem 1 - GCG-42
... Electron transfer reactions are oxidation-reduction or redox reactions. Therefore, this field is often called ELECTROCHEMISTRY. ...
... Electron transfer reactions are oxidation-reduction or redox reactions. Therefore, this field is often called ELECTROCHEMISTRY. ...
Name: Chapter 3 Reading Guide: Molecules, Compounds, and
... When hydrogen and oxygen combine to form the compound water, a dramatically _____________________ substance results. When two or more elements combine to form a ______________________, an entirely ______________ substance results. In a compound, elements combine in ________________, ________________ ...
... When hydrogen and oxygen combine to form the compound water, a dramatically _____________________ substance results. When two or more elements combine to form a ______________________, an entirely ______________ substance results. In a compound, elements combine in ________________, ________________ ...
Chapter 8 Study Guide
... c. Atoms of different elements differ in their physical and chemical properties. d. Atoms of different elements combine in simple, whole number ratios to form compounds e. In chemical reactions, atoms are combined, separated, or rearranged but never created, destroyed, or changed. 3. Describe how Th ...
... c. Atoms of different elements differ in their physical and chemical properties. d. Atoms of different elements combine in simple, whole number ratios to form compounds e. In chemical reactions, atoms are combined, separated, or rearranged but never created, destroyed, or changed. 3. Describe how Th ...
List Definition Chemistry - A Level / Secondary Chemistry Tuition
... Homologous series are compounds have the same general formula and functional group and each homologue differs from its neighbor by a fixed group of atoms (e.g.–CH2). As we go down a homologous series, the chemical properties remain unchanged but there is a gradual change in physical properties. Exam ...
... Homologous series are compounds have the same general formula and functional group and each homologue differs from its neighbor by a fixed group of atoms (e.g.–CH2). As we go down a homologous series, the chemical properties remain unchanged but there is a gradual change in physical properties. Exam ...