Matt Knorr 2/3/2014 Summary: This lesson will explore the smallest
... corresponding Wikipedia page for each respective one. Each student must independently learn about a chemical reaction that their selected element is known to participate in, and outline the reaction on the appropriate Wikipedia page. Have students take a snapshot of their entry for submission, and f ...
... corresponding Wikipedia page for each respective one. Each student must independently learn about a chemical reaction that their selected element is known to participate in, and outline the reaction on the appropriate Wikipedia page. Have students take a snapshot of their entry for submission, and f ...
The Development of Atomic Theory
... Dalton’s Postulates All atoms of a given element are identical to one another in mass and other properties, but the atoms of one element are different from the atoms of all other elements. ...
... Dalton’s Postulates All atoms of a given element are identical to one another in mass and other properties, but the atoms of one element are different from the atoms of all other elements. ...
- Lexington JHS
... reactivity. • Elements that are reactive bond easily with other elements to make compounds. • Some elements are only found in nature bonded with other elements. • What makes an element reactive? – An incomplete valence electron level. – All atoms (except hydrogen) want to have 8 electrons in their v ...
... reactivity. • Elements that are reactive bond easily with other elements to make compounds. • Some elements are only found in nature bonded with other elements. • What makes an element reactive? – An incomplete valence electron level. – All atoms (except hydrogen) want to have 8 electrons in their v ...
Slide 1
... • Are atoms that have lost or gained electrons to become stable • Atoms that lose electrons are positively charged ( # protons > # electrons) • Atoms that gain electrons are negatively charge ( # protons < # electrons) ...
... • Are atoms that have lost or gained electrons to become stable • Atoms that lose electrons are positively charged ( # protons > # electrons) • Atoms that gain electrons are negatively charge ( # protons < # electrons) ...
Class Notes
... Dalton’s Atomic Theory (1808) 1. Elements are composed of extremely small particles called atoms. 2. All atoms of a given element are identical, having the same size, mass and chemical properties. The atoms of one element are different from the atoms of all other elements. 3. Compounds are composed ...
... Dalton’s Atomic Theory (1808) 1. Elements are composed of extremely small particles called atoms. 2. All atoms of a given element are identical, having the same size, mass and chemical properties. The atoms of one element are different from the atoms of all other elements. 3. Compounds are composed ...
Structures of Matter
... 1. Write the word “BOOK” in your lab journal. With your class, look up the element names for each symbol in the word and list the element names. (Remember some of the elements might have 2 letters attached) Example: the word CAT : C-Carbon At-Astatine 2. Write the name “Cesar” in your lab journal. L ...
... 1. Write the word “BOOK” in your lab journal. With your class, look up the element names for each symbol in the word and list the element names. (Remember some of the elements might have 2 letters attached) Example: the word CAT : C-Carbon At-Astatine 2. Write the name “Cesar” in your lab journal. L ...
Bohr Model & Lewis Dot Diagrams
... Draw a Bohr Model for Lithium Drawing a Lithium atom 1. look at the Periodic Table determine the number of protons & neutrons (protons = the atomic number) (neutrons = Atomic mass minus number of protons) ...
... Draw a Bohr Model for Lithium Drawing a Lithium atom 1. look at the Periodic Table determine the number of protons & neutrons (protons = the atomic number) (neutrons = Atomic mass minus number of protons) ...
Day 2 Guided Reading Chapter 4
... 41. T or F An orbital is a region of space around the nucleus where an electron is likely to be found. 42. An electron model is a good approximation of ________________________________. Use the table to answer questions 43 and 44. ...
... 41. T or F An orbital is a region of space around the nucleus where an electron is likely to be found. 42. An electron model is a good approximation of ________________________________. Use the table to answer questions 43 and 44. ...
Chapter 2 Law of
... • Nonmetals tend to form anions by gaining electrons. • Meaning, they have more electrons than protons resulting in a negative charge. • Let Let’ss look at the nonmetals in A groups of the periodic table • The negative charge on these nonmetals is usually equal to the number of spaces to the right t ...
... • Nonmetals tend to form anions by gaining electrons. • Meaning, they have more electrons than protons resulting in a negative charge. • Let Let’ss look at the nonmetals in A groups of the periodic table • The negative charge on these nonmetals is usually equal to the number of spaces to the right t ...
Test 2 Review - Chemistry
... called atoms. Atoms of the same element have the same properties. (mass, size, etc.) In a chemical reaction, matter cannot be created or destroyed – Law of Conservation of Mass ...
... called atoms. Atoms of the same element have the same properties. (mass, size, etc.) In a chemical reaction, matter cannot be created or destroyed – Law of Conservation of Mass ...
Structure of Atoms Study Guide
... 4. What is a neutron and where is it located in an atom? What is its charge? ...
... 4. What is a neutron and where is it located in an atom? What is its charge? ...
History of Atomic Structure
... • Electrons travel around the nucleus in random orbits (no definite paths). • Scientists cannot predict where they will be at any given moment. • Electrons travel so fast, they appear to form a “cloud” around the nucleus. • The small, positively charged nucleus is surrounded by a large space called ...
... • Electrons travel around the nucleus in random orbits (no definite paths). • Scientists cannot predict where they will be at any given moment. • Electrons travel so fast, they appear to form a “cloud” around the nucleus. • The small, positively charged nucleus is surrounded by a large space called ...
Chemistry: Fall Final Review 08
... 55) Define Valence electrons. The electrons in the outermost orbital Help determine an atoms properties 56) Define Octet rule. Atoms lose or gain or share electrons in order to aquire a full set of 8 valence electrons. (first shell has 2 valence electrons but all others have 8) 57) How many electron ...
... 55) Define Valence electrons. The electrons in the outermost orbital Help determine an atoms properties 56) Define Octet rule. Atoms lose or gain or share electrons in order to aquire a full set of 8 valence electrons. (first shell has 2 valence electrons but all others have 8) 57) How many electron ...
Chapter 2 Atoms, Molecules, and Ions
... diagonal staircase line that runs from boron (B) to astatine (At). • Hydrogen, though a nonmetal, is on the left side of the periodic table. • The state of matter at which nonmetals are at room temperature, vary from element to element. ...
... diagonal staircase line that runs from boron (B) to astatine (At). • Hydrogen, though a nonmetal, is on the left side of the periodic table. • The state of matter at which nonmetals are at room temperature, vary from element to element. ...
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 ...
Final Exam Review Day 1 - teacherstroh
... If you keep breaking down matter further and further, you will get to something called the… ...
... If you keep breaking down matter further and further, you will get to something called the… ...
Review Questions: Name Period 1. The atom (smallest unit of an
... 18. In the Bohr model for helium pictured above, the 2 white circles represent electrons. Which particles are in the center of this atomic model ...
... 18. In the Bohr model for helium pictured above, the 2 white circles represent electrons. Which particles are in the center of this atomic model ...
chapter 4: chemical foundations
... – Group 2 or IIA: alkaline earth metals – Group 17 or VIIA: halogens – Group 18 or VIIIA: noble gases (because they are all gases that are stable, unreactive) Transition Metals (or B Group Elements) – Elements in Groups 3 to 12 (middle of the Periodic Table) Inner Transition Elements (beneath the ma ...
... – Group 2 or IIA: alkaline earth metals – Group 17 or VIIA: halogens – Group 18 or VIIIA: noble gases (because they are all gases that are stable, unreactive) Transition Metals (or B Group Elements) – Elements in Groups 3 to 12 (middle of the Periodic Table) Inner Transition Elements (beneath the ma ...
The Periodic Table
... arranged in order of increasing number of protons, the properties tend to repeat in a pattern ...
... arranged in order of increasing number of protons, the properties tend to repeat in a pattern ...
The Periodic Table - Mr. Green's Home Page
... arranged in order of increasing number of protons, the properties tend to repeat in a pattern ...
... arranged in order of increasing number of protons, the properties tend to repeat in a pattern ...
Unit 3 Atomic Structure
... determines the element of an atom. atomic mass number = mass of the atom in amu, it includes the number of protons and neutrons. (electrons are not counted) Isotopes = atoms of the same element, with a different number of neutrons in the nucleus. Isotopes of each element have the same atomic number, ...
... determines the element of an atom. atomic mass number = mass of the atom in amu, it includes the number of protons and neutrons. (electrons are not counted) Isotopes = atoms of the same element, with a different number of neutrons in the nucleus. Isotopes of each element have the same atomic number, ...