Notes for powerpoint and worksheets PDF
... The identity of an atom is determined by the number of ______________________ in the nucleus BUT, compounds form due to the interactions between ______________________ How are Electrons Involved? I. Either ________________________________________________________ Using the Periodic Table, we can ...
... The identity of an atom is determined by the number of ______________________ in the nucleus BUT, compounds form due to the interactions between ______________________ How are Electrons Involved? I. Either ________________________________________________________ Using the Periodic Table, we can ...
The Evolution of the Atomic Model
... energy levels differed in a step like manner. electrons can occupy different energy levels by absorbing or emitting energy. ...
... energy levels differed in a step like manner. electrons can occupy different energy levels by absorbing or emitting energy. ...
Atomic Structure and Periodicity
... predict yet unknown elements. 11. Aufbau ("building up") principle and the periodic table a. Aufbau principle - as protons are added to successive atoms of elements, so are electrons b. Hund's rule - the lowest energy configuration for an atom is the one having the most unpaired electrons allowed by ...
... predict yet unknown elements. 11. Aufbau ("building up") principle and the periodic table a. Aufbau principle - as protons are added to successive atoms of elements, so are electrons b. Hund's rule - the lowest energy configuration for an atom is the one having the most unpaired electrons allowed by ...
atom
... Although van der Waals forces are not as strong as ionic bonds or covalent bonds, they can hold molecules together, especially when the molecules are large. ...
... Although van der Waals forces are not as strong as ionic bonds or covalent bonds, they can hold molecules together, especially when the molecules are large. ...
Unit One: Atomic Theory/Configuration
... • PROTONS give an atom its identity. They are the ONLY subatomic particle that must be identical from one atom to another. Neutrons AND electrons can vary... • SO, how can we create ONE box on the periodic table to represent ALL atoms of an ...
... • PROTONS give an atom its identity. They are the ONLY subatomic particle that must be identical from one atom to another. Neutrons AND electrons can vary... • SO, how can we create ONE box on the periodic table to represent ALL atoms of an ...
Practice problems for chapter 1, 3 and 5 1) A small amount of salt
... 1) A small amount of salt dissolved in water is an example of a __________. 2) Which one of the following is a pure substance? A) concrete B) wood C) salt water D) elemental copper E) milk 3) For which of the following can the composition vary? A) pure substance B) element C) both homogeneous and he ...
... 1) A small amount of salt dissolved in water is an example of a __________. 2) Which one of the following is a pure substance? A) concrete B) wood C) salt water D) elemental copper E) milk 3) For which of the following can the composition vary? A) pure substance B) element C) both homogeneous and he ...
theory1 (osergienko v1)
... Cathode rays have identical properties regardless of the element used to produce them. All elements must contain identically charged electrons. Atoms are neutral, so there must be positive particles in the atom to balance the negative charge of the electrons Electrons have so little mass that a ...
... Cathode rays have identical properties regardless of the element used to produce them. All elements must contain identically charged electrons. Atoms are neutral, so there must be positive particles in the atom to balance the negative charge of the electrons Electrons have so little mass that a ...
File
... a. A beam of electrons (cathode rays) is deflected by an electric field toward the positively charged plate. b. The cathode rays were always composted of electrons regardless of the metal used in the electrodes or the gas used in the cathode ray tube. ...
... a. A beam of electrons (cathode rays) is deflected by an electric field toward the positively charged plate. b. The cathode rays were always composted of electrons regardless of the metal used in the electrodes or the gas used in the cathode ray tube. ...
Unit 2 (Biochemistry) Review
... You should be able to tell the difference between ions and atoms, and be able to determine what type of ion is present. 3) I can compare the types of bonding between atoms to form molecules. (A.5.c) Ionic Bond Covalent Bond Metallic Bond Charge Valence Electron Oxidation Number You should be able to ...
... You should be able to tell the difference between ions and atoms, and be able to determine what type of ion is present. 3) I can compare the types of bonding between atoms to form molecules. (A.5.c) Ionic Bond Covalent Bond Metallic Bond Charge Valence Electron Oxidation Number You should be able to ...
Chapter 3 Atoms and the Periodic Table
... period becoming smaller due to the pull of the nucleus. • Elements moving down a group become larger in size due to adding orbits • The most reactive families have fewer electrons to lose or gain, therefore groups 1 and 17, why not 18? • Group 2 more reactive than 3 ;;group 16 more reactive than 15 ...
... period becoming smaller due to the pull of the nucleus. • Elements moving down a group become larger in size due to adding orbits • The most reactive families have fewer electrons to lose or gain, therefore groups 1 and 17, why not 18? • Group 2 more reactive than 3 ;;group 16 more reactive than 15 ...
File
... Table of the Elements. What is the phase of element M at STP? 89. In the 19th century, Dmitri Mendeleev predicted the existence of a then unknown element X with a mass of 68. He also predicted that an oxide of X would have the formula X 2O3. On the modern Periodic Table, what is the group number and ...
... Table of the Elements. What is the phase of element M at STP? 89. In the 19th century, Dmitri Mendeleev predicted the existence of a then unknown element X with a mass of 68. He also predicted that an oxide of X would have the formula X 2O3. On the modern Periodic Table, what is the group number and ...
Atom/Elements Study Guide
... 3. The atom is composed mostly of empty space. 4. Where is most of the mass of the atom located? In the nucleus 5. How many electrons can exist in the first shell? The second? 2, 8, 8,18 6. Which two subatomic particles have approximately the same mass? Neutrons and protons 7. Atoms with the same nu ...
... 3. The atom is composed mostly of empty space. 4. Where is most of the mass of the atom located? In the nucleus 5. How many electrons can exist in the first shell? The second? 2, 8, 8,18 6. Which two subatomic particles have approximately the same mass? Neutrons and protons 7. Atoms with the same nu ...
Regents Chemistry Review Questions
... What is the chemical formula for ammonia? Is it an acid or a base? Write and balance the chemical equation for the neutralization reaction between carbonic acid and magnesium hydroxide. Name the salt that is produced in this reaction. Write and balance the chemical equation for the neutralization re ...
... What is the chemical formula for ammonia? Is it an acid or a base? Write and balance the chemical equation for the neutralization reaction between carbonic acid and magnesium hydroxide. Name the salt that is produced in this reaction. Write and balance the chemical equation for the neutralization re ...
The Basics - I`m a faculty member, and I need web space. What
... and remove an electron from a gaseous atom • 1st ionization energy: the energy required to remove the first electron • 2nd ionization energy: the energy required to remove the second electron • 3rd ionization energy: the energy required removing the third electron • Trend: ionization energy increase ...
... and remove an electron from a gaseous atom • 1st ionization energy: the energy required to remove the first electron • 2nd ionization energy: the energy required to remove the second electron • 3rd ionization energy: the energy required removing the third electron • Trend: ionization energy increase ...
File
... – Greeks settled disagreements by argument – Aristotle was a better debater - He won – His ideas carried through middle ages ...
... – Greeks settled disagreements by argument – Aristotle was a better debater - He won – His ideas carried through middle ages ...
Single Replacement Reactions
... 2. To compare and contrast the degree of chemical reactivity among the metals. 3. To compare the activity of the metals to the known activity series. Hypothesis: Determine the expected activity of the metals from most reactive to least reactive. ...
... 2. To compare and contrast the degree of chemical reactivity among the metals. 3. To compare the activity of the metals to the known activity series. Hypothesis: Determine the expected activity of the metals from most reactive to least reactive. ...
CP-Chem Ch 3 PowerPoint(Atomic Theory
... atomic theory that he created using the laws of matter and previously known atomic theory • 1) All matter is composed of atoms • 2) All atoms of a given element are identical in size, mass, and other properties • 3) Atoms can not be divided, created or destroyed • 4) Atoms of different elements comb ...
... atomic theory that he created using the laws of matter and previously known atomic theory • 1) All matter is composed of atoms • 2) All atoms of a given element are identical in size, mass, and other properties • 3) Atoms can not be divided, created or destroyed • 4) Atoms of different elements comb ...
Unit 2 – Atomic Theory - H
... Element Symbol with mass number and atomic number Can also be the element name dash mass number Mass Number ...
... Element Symbol with mass number and atomic number Can also be the element name dash mass number Mass Number ...
Atomic structure
... What are the subatomic particles of an atom? Where are the protons located in the atom? What electrical charge do protons have? Where are the neutrons located? What electrical charge do the neutrons have? Where are the electrons located in an atom? What electrical charge do electrons have? How does ...
... What are the subatomic particles of an atom? Where are the protons located in the atom? What electrical charge do protons have? Where are the neutrons located? What electrical charge do the neutrons have? Where are the electrons located in an atom? What electrical charge do electrons have? How does ...