CHAPTER 5
... Democritus – 4th century B.C. Greek philosopher who first proposed that matter is composed of indivisible, indestructible particles called ___________________. The first atomic model was not proposed until 2000 years later! In the 1700’s, John Dalton performed experiments that related chemical chang ...
... Democritus – 4th century B.C. Greek philosopher who first proposed that matter is composed of indivisible, indestructible particles called ___________________. The first atomic model was not proposed until 2000 years later! In the 1700’s, John Dalton performed experiments that related chemical chang ...
Name Test Review Chemistry Unit 2: The Atom 1. Fill in the blank
... Discovered the neutron. _______________________________ Created the first atomic theory based on experimental evidence. ___________________________ Discovered the electron. __________________________ Discovered the nucleus. ___________________________ Discovered the Law of Conservation of Mass. ____ ...
... Discovered the neutron. _______________________________ Created the first atomic theory based on experimental evidence. ___________________________ Discovered the electron. __________________________ Discovered the nucleus. ___________________________ Discovered the Law of Conservation of Mass. ____ ...
Topic 3: Periodicity
... Only occurs in materials where unpaired d electrons in a large number of atoms can line up with parallell spins to form regions or domains of parallell spins. In an external magnetic field the unpaired electrons in the domains align themselves such that the magnetic field created by their spin is al ...
... Only occurs in materials where unpaired d electrons in a large number of atoms can line up with parallell spins to form regions or domains of parallell spins. In an external magnetic field the unpaired electrons in the domains align themselves such that the magnetic field created by their spin is al ...
Unit 1: Chapter 3
... Part One: Ionic Bonding 1. Predict the formation of cations & anions from a representative atom, based on the location on the Periodic Table; more specifically, based on the atom’s Group and the atom’s desire to obtain an OCTET of electrons (or a noble-gas electron configuration). Be able to draw a ...
... Part One: Ionic Bonding 1. Predict the formation of cations & anions from a representative atom, based on the location on the Periodic Table; more specifically, based on the atom’s Group and the atom’s desire to obtain an OCTET of electrons (or a noble-gas electron configuration). Be able to draw a ...
Atomic Structure
... Ex: Combine 100 g of stuff, and you will get 100 g of new stuff All atoms of an element appeared to have the same mass. ...
... Ex: Combine 100 g of stuff, and you will get 100 g of new stuff All atoms of an element appeared to have the same mass. ...
200
... • Q What subatomic particle was discovered by inference to account for the discrepancy between particle mass and atomic mass? • A Neutron ...
... • Q What subatomic particle was discovered by inference to account for the discrepancy between particle mass and atomic mass? • A Neutron ...
Jeopardy
... • Q What subatomic particle was discovered by inference to account for the discrepancy between particle mass and atomic mass? • A Neutron ...
... • Q What subatomic particle was discovered by inference to account for the discrepancy between particle mass and atomic mass? • A Neutron ...
SUMMER WORK AP Chemistry
... experiment requires 15.0 g of cyclohexane, whose density at 25 °C is 0.7781 g/mL. What volume of cyclohexane should be used? (c) A spherical ball of lead has a diameter of 5.0 cm. What is the mass of the sphere if lead has a density of 11.34 g.cm3? (The volume of a sphere is (4/3)πr3where r is the r ...
... experiment requires 15.0 g of cyclohexane, whose density at 25 °C is 0.7781 g/mL. What volume of cyclohexane should be used? (c) A spherical ball of lead has a diameter of 5.0 cm. What is the mass of the sphere if lead has a density of 11.34 g.cm3? (The volume of a sphere is (4/3)πr3where r is the r ...
AP Projectile Motion
... mass of an atom in atomic mass units is simply the sum of its protons and neutrons and is known as the atomic mass number mass of an electron is so small that it's disregarded ...
... mass of an atom in atomic mass units is simply the sum of its protons and neutrons and is known as the atomic mass number mass of an electron is so small that it's disregarded ...
Gr. 11 Review
... a broken pencil point and divided it in half, then divided that piece in half and again half of that piece. This process could be continued as long as possible. If matter was continuous, the process could be continued indefinitely without ever "running out" of graphite. If matter was discontinuous, ...
... a broken pencil point and divided it in half, then divided that piece in half and again half of that piece. This process could be continued as long as possible. If matter was continuous, the process could be continued indefinitely without ever "running out" of graphite. If matter was discontinuous, ...
22-Introduction to Radioactivity
... chemical element and, when this happens, emit (give off) energy. Today, people make use of radioactive isotopes in many ways. Some are beneficial (good), such as medical treatment and creating electrical energy. Others are harmful and dangerous, such as atomic bombs. In this activity, you will first ...
... chemical element and, when this happens, emit (give off) energy. Today, people make use of radioactive isotopes in many ways. Some are beneficial (good), such as medical treatment and creating electrical energy. Others are harmful and dangerous, such as atomic bombs. In this activity, you will first ...
Chapter 3.1 PPT
... different compounds are composed of the same two elements, then the ratio of the masses of the second element combined with a certain mass of the first element is always a ratio of small whole ...
... different compounds are composed of the same two elements, then the ratio of the masses of the second element combined with a certain mass of the first element is always a ratio of small whole ...
Models of the Atom Intro
... all of the elements that can build matter. It’s a little like the alphabet of chemistry. • The periodic table tells us several things… ...
... all of the elements that can build matter. It’s a little like the alphabet of chemistry. • The periodic table tells us several things… ...
Atomic Structure - LFlemingPhysicalScience
... be. Atoms with electrons in higher energy levels have additional electron clouds of different shapes that also show where those electrons are likely to be. For more information, click here: http://regentsprep.org/Regents/physics/phys05/catomodel/cloud.htm ...
... be. Atoms with electrons in higher energy levels have additional electron clouds of different shapes that also show where those electrons are likely to be. For more information, click here: http://regentsprep.org/Regents/physics/phys05/catomodel/cloud.htm ...
I. Chemistry
... It is called the 1s orbital and it is spherical The second energy level contains a maximum of 4 orbitals. A spherical 2s and 3 dumbbell shaped orbitals in the X, Y, and Z axis called the P1, P2 and P3 orbitals ...
... It is called the 1s orbital and it is spherical The second energy level contains a maximum of 4 orbitals. A spherical 2s and 3 dumbbell shaped orbitals in the X, Y, and Z axis called the P1, P2 and P3 orbitals ...
The Wave Model
... outermost energy level. • Electron Capacity for each energy level – 1st energy level: 2 electrons – 2nd energy level: 8 electrons – 3rd energy level: 8 electrons ...
... outermost energy level. • Electron Capacity for each energy level – 1st energy level: 2 electrons – 2nd energy level: 8 electrons – 3rd energy level: 8 electrons ...
Review Sheet
... __________ are atoms of an element that have different numbers of neutrons, and consequently, different atomic ___________. The _________ _________ of an atom is the sum of all the nucleons of an atom. Rutherford’s planetary model of the atom faced a major problem. Classical physics predicted that t ...
... __________ are atoms of an element that have different numbers of neutrons, and consequently, different atomic ___________. The _________ _________ of an atom is the sum of all the nucleons of an atom. Rutherford’s planetary model of the atom faced a major problem. Classical physics predicted that t ...
Chapter 4: The Structure of the Atom Early Ideas about Matter Name
... 2. Atoms are indivisible and indestructible 3. Atoms of a given element are identical in size, mass, and chemical properties 4. Atoms of a specific element are different from those of another element 5. Different atoms combine in simple whole-number ratios to form compounds 6. In a chemical reaction ...
... 2. Atoms are indivisible and indestructible 3. Atoms of a given element are identical in size, mass, and chemical properties 4. Atoms of a specific element are different from those of another element 5. Different atoms combine in simple whole-number ratios to form compounds 6. In a chemical reaction ...
CHEMISTRY FINAL EXAM REVIEW SHEET
... 30. Which direction will the equilibrium shift if the following stresses are applied to the reaction: 2C(s) + H2(g) + O2(g) ↔2CO(g) + 2H+(aq) Increased pressure in the reaction vessel. CO removed from the reaction vessel. Water added to the reaction vessel. If the reaction is endothermic, what will ...
... 30. Which direction will the equilibrium shift if the following stresses are applied to the reaction: 2C(s) + H2(g) + O2(g) ↔2CO(g) + 2H+(aq) Increased pressure in the reaction vessel. CO removed from the reaction vessel. Water added to the reaction vessel. If the reaction is endothermic, what will ...
Worksheet
... 8. ____________________ Who put electrons in energy levels? 9. ____________________ Who discovered the electron? 10. ____________________ Who discovered that the atom is mostly empty space? 11. ____________________ Which scientist determined the charge of the electron? 12. ____________________ Which ...
... 8. ____________________ Who put electrons in energy levels? 9. ____________________ Who discovered the electron? 10. ____________________ Who discovered that the atom is mostly empty space? 11. ____________________ Which scientist determined the charge of the electron? 12. ____________________ Which ...
1 - My eCoach
... 34. How many electrons does an atom of strontium have in its last energy level? a. One b. Two c. Three d. Four 35. how many electrons does an atom of argon have in its last energy level? a. Two b. Four c. Six d. Eight 36. How many energy levels does an atom of silver have? a. Two b. Three c. Four d. ...
... 34. How many electrons does an atom of strontium have in its last energy level? a. One b. Two c. Three d. Four 35. how many electrons does an atom of argon have in its last energy level? a. Two b. Four c. Six d. Eight 36. How many energy levels does an atom of silver have? a. Two b. Three c. Four d. ...
Personal Introduction
... material particle, such as electron, also have both? Answer: Every particle of matter is somehow endowed with a wave to guide it as it travels. The more slowly an electron moves, the more its bahvior is that of a particle with mass. The more quickly it moves, the more its behavior is that of a wave ...
... material particle, such as electron, also have both? Answer: Every particle of matter is somehow endowed with a wave to guide it as it travels. The more slowly an electron moves, the more its bahvior is that of a particle with mass. The more quickly it moves, the more its behavior is that of a wave ...