Tutorial 1
... C2H5OH (l) + O2 (g) CO2 (g) + H2O (l) Balance the equation and determine the volume of air in liters at 35.0 C and 790 mmHg required to burn 227 g of ethanol. Assume that air is 21.0 percent O2 by volume. 14. Explain why liquids unlike gases, are virtually in compressible. 15. What is surface ten ...
... C2H5OH (l) + O2 (g) CO2 (g) + H2O (l) Balance the equation and determine the volume of air in liters at 35.0 C and 790 mmHg required to burn 227 g of ethanol. Assume that air is 21.0 percent O2 by volume. 14. Explain why liquids unlike gases, are virtually in compressible. 15. What is surface ten ...
Atomic Structure and Notes_AISD ppt
... Bohr refined Rutherford's idea by adding that the electrons were in orbits. Rather like planets orbiting the sun. With each orbit only able to contain a set number of electrons. ...
... Bohr refined Rutherford's idea by adding that the electrons were in orbits. Rather like planets orbiting the sun. With each orbit only able to contain a set number of electrons. ...
Unit 2 - therrien
... Electrons move in specific circular orbits – electron shells (not randomly) Electrons could jump shells by gaining or losing energy ...
... Electrons move in specific circular orbits – electron shells (not randomly) Electrons could jump shells by gaining or losing energy ...
Document
... _____ 1. The word atom comes from the Greek word atomos, which means a. “dividable.” b. “invisible.” c. “hard particles.” d. “not able to be divided.” _____ 2. Which of the following statements is a part of Democritus’s theory about atoms? a. Atoms are small, soft particles. b. Atoms are always stan ...
... _____ 1. The word atom comes from the Greek word atomos, which means a. “dividable.” b. “invisible.” c. “hard particles.” d. “not able to be divided.” _____ 2. Which of the following statements is a part of Democritus’s theory about atoms? a. Atoms are small, soft particles. b. Atoms are always stan ...
Atomic Structure Review–Honors
... • One atom “keeps” electrons closer to it • Electrons tend to reside around one atom more than the other atom • Electrons still remain distributed between the 2 atoms--unequal ...
... • One atom “keeps” electrons closer to it • Electrons tend to reside around one atom more than the other atom • Electrons still remain distributed between the 2 atoms--unequal ...
chapter 1 - Revsworld
... water. Determine the empirical formula of this compound. SHOW ALL WORK (a) (b) (c) (d) (e) ...
... water. Determine the empirical formula of this compound. SHOW ALL WORK (a) (b) (c) (d) (e) ...
Honors Mid-Term Review Sheet
... 27. What is the mass of 180.3 cm3 of lead if the density is 11.4 g/cm3? 28. What is the density of 325g of a substance with a volume of 492mL? 29. Define accuracy and precision. 30. Complete the following calculations with the correct number of significant figures: a. 1.23kg + 4.082kg b. 16.04s – 5 ...
... 27. What is the mass of 180.3 cm3 of lead if the density is 11.4 g/cm3? 28. What is the density of 325g of a substance with a volume of 492mL? 29. Define accuracy and precision. 30. Complete the following calculations with the correct number of significant figures: a. 1.23kg + 4.082kg b. 16.04s – 5 ...
Christopher Warner Title: Element Project Educational Filters: The
... cathode ray tubes, which are streams of electrons. He measured the bending of the path of cathode rays and was then able to determine the ratio of the electron’s charge to its mass. The proton was also discovered experimenting with cathode ray tubes. Rays traveled in the direction opposite to that t ...
... cathode ray tubes, which are streams of electrons. He measured the bending of the path of cathode rays and was then able to determine the ratio of the electron’s charge to its mass. The proton was also discovered experimenting with cathode ray tubes. Rays traveled in the direction opposite to that t ...
Structure of the Atom: Study Guide
... 7) Which of the following are the subatomic particles that make up an atom? a. neutrons, electrons, and atomic mass b. neutrons, electrons, and protons c. electrons and protons d. neutrons and protons 8) Changing phase from a solid to a liquid is a chemical change. ...
... 7) Which of the following are the subatomic particles that make up an atom? a. neutrons, electrons, and atomic mass b. neutrons, electrons, and protons c. electrons and protons d. neutrons and protons 8) Changing phase from a solid to a liquid is a chemical change. ...
Chapter 5 - HCC Learning Web
... others. The first electron fills the energy closest to the nucleus. A partial list of sublevels in order of increasing energy: 1s < 2s < 2p < 3s < 3p < 4s < 3d < 4p < 5s < 4d < 5p < 6s In a configuration, “2p2” means, 2 = energy level p = energy sublevel Superscript 2 = number of electrons In writin ...
... others. The first electron fills the energy closest to the nucleus. A partial list of sublevels in order of increasing energy: 1s < 2s < 2p < 3s < 3p < 4s < 3d < 4p < 5s < 4d < 5p < 6s In a configuration, “2p2” means, 2 = energy level p = energy sublevel Superscript 2 = number of electrons In writin ...
Chemical Bonds - coellochemistry
... Triple bonds: three lines drawn and represents 6 valence electrons ...
... Triple bonds: three lines drawn and represents 6 valence electrons ...
Atomic Theory - Part 1 History
... • A quantum of energy is the amount of energy required to move an electron from its present energy level to the next higher one. • The higher the electron is on energy ladder, the farther it is from nucleus ...
... • A quantum of energy is the amount of energy required to move an electron from its present energy level to the next higher one. • The higher the electron is on energy ladder, the farther it is from nucleus ...
- gst boces
... 68. q = mHf (melting), q = mHv(vaporizing), q = mC(change in temperature) (raising/lowering) *Tables T and B 69. Combined gas law on Table T *If given STP, given temp and pressure (Table A) 70. Pressure and volume indirect, P up, V down (PVC pipe) 71. Temperature and pressure direct, T up, P up 72. ...
... 68. q = mHf (melting), q = mHv(vaporizing), q = mC(change in temperature) (raising/lowering) *Tables T and B 69. Combined gas law on Table T *If given STP, given temp and pressure (Table A) 70. Pressure and volume indirect, P up, V down (PVC pipe) 71. Temperature and pressure direct, T up, P up 72. ...
AP Chemistry Chapter 2 - Anderson School District One
... to which within the molecule • Perspective drawing: gives some sense of three dimensional shape of the molecule. Solid lines represent bonds in the plane of the paper, the solid wedge is a bond that extends out of the paper and the dotted line is a bond behind the paper. • Ball and stick model: atom ...
... to which within the molecule • Perspective drawing: gives some sense of three dimensional shape of the molecule. Solid lines represent bonds in the plane of the paper, the solid wedge is a bond that extends out of the paper and the dotted line is a bond behind the paper. • Ball and stick model: atom ...
Atomic Structure
... 1. All elements are composed of tiny indivisible particles called atoms. • We now know that atoms are divisible, there are particle found within the atom: protons, neutrons, and electrons. 2. Atoms of the same element are identical. • Isotopes are atoms of the same element that have different mass n ...
... 1. All elements are composed of tiny indivisible particles called atoms. • We now know that atoms are divisible, there are particle found within the atom: protons, neutrons, and electrons. 2. Atoms of the same element are identical. • Isotopes are atoms of the same element that have different mass n ...
Chapter 18 Comparing Atoms Lab
... many marbles, and of as many colors as they need but must take at least as many total marbles as they put in. For example, a player can trade 2 yellows for 1 yellow, 1 blue, and 1 red. 11. Which particles are found in an atom’s nucleus? Which particles are found outside the nucleus? 12. What four el ...
... many marbles, and of as many colors as they need but must take at least as many total marbles as they put in. For example, a player can trade 2 yellows for 1 yellow, 1 blue, and 1 red. 11. Which particles are found in an atom’s nucleus? Which particles are found outside the nucleus? 12. What four el ...
3lou3atch - Teach-n-Learn-Chem
... The periodic table can be divided into groups and periods. group = a vertical column on the periodic table; range from 1 to 18 period = a horizontal row on the periodic table; range from 1 to 7 Elements in the same group have very similar properties. Why do some atoms of one type behave similarly to ...
... The periodic table can be divided into groups and periods. group = a vertical column on the periodic table; range from 1 to 18 period = a horizontal row on the periodic table; range from 1 to 7 Elements in the same group have very similar properties. Why do some atoms of one type behave similarly to ...
Atomic Theory Powerpoint
... • The energy level an electron normally occupies is called its ground state. But it can move to a higher-energy, less-stable level, or shell, by absorbing energy. This higher-energy, lessstable state is called the electron’s excited state. • After it’s done being excited, the electron can return to ...
... • The energy level an electron normally occupies is called its ground state. But it can move to a higher-energy, less-stable level, or shell, by absorbing energy. This higher-energy, lessstable state is called the electron’s excited state. • After it’s done being excited, the electron can return to ...