CHAPTER 3 Atoms: The Building Blocks of Matter
... – All matter is composed of extremely small particles called atoms – Atoms of a given element are identical in size, mass, and other properties – Atoms cannot be subdivided, created, or destroyed – Atoms of different elements combine in simple whole number ratios to form compounds – In chemical reac ...
... – All matter is composed of extremely small particles called atoms – Atoms of a given element are identical in size, mass, and other properties – Atoms cannot be subdivided, created, or destroyed – Atoms of different elements combine in simple whole number ratios to form compounds – In chemical reac ...
Chapter 2 - Chemistry
... the masses of one element in these compounds for a fixed mass of the other element are in ratios of small whole numbers Karen Hattenhauer (Fall 2007) ...
... the masses of one element in these compounds for a fixed mass of the other element are in ratios of small whole numbers Karen Hattenhauer (Fall 2007) ...
compound - Coal City Unit #1
... Pure Substances • a sample of matter that has definite chemical and physical properties • Elements • Compounds ...
... Pure Substances • a sample of matter that has definite chemical and physical properties • Elements • Compounds ...
CHEM_Review - Kenston Local Schools
... single atom. Such a group of atoms is called a radical. if a radical Is used In a formula more than once, the radical is put in parentheses and the subscdpt appears outside the parentheses. When a subscript appears outside the parentheses, It indicates that all the demerits inside parentheses should ...
... single atom. Such a group of atoms is called a radical. if a radical Is used In a formula more than once, the radical is put in parentheses and the subscdpt appears outside the parentheses. When a subscript appears outside the parentheses, It indicates that all the demerits inside parentheses should ...
Chemistry I Honors – Semester Exam Review – Fall 2000
... 21. Find the energy of a photon if frequency is 7.31 x 1014 Hz. 22. Describe how Bohr’s model explains the bright lines (red, green, violet, violet) in the emission spectrum of hydrogen. 23. What is the primary difference between the modern model of the atom and Bohr’s model? 24. Draw orbital diagra ...
... 21. Find the energy of a photon if frequency is 7.31 x 1014 Hz. 22. Describe how Bohr’s model explains the bright lines (red, green, violet, violet) in the emission spectrum of hydrogen. 23. What is the primary difference between the modern model of the atom and Bohr’s model? 24. Draw orbital diagra ...
Reactions I Can..
... 9. Describe the basic properties of alpha, beta, and gamma radiation. 10. Explain why some atomic nuclei are unstable 11. Predict the type of nuclear decay that will occur given the composition of protons and neutrons in the nucleus. 12. Balance a nuclear equation for both charge and mass. 13. Ident ...
... 9. Describe the basic properties of alpha, beta, and gamma radiation. 10. Explain why some atomic nuclei are unstable 11. Predict the type of nuclear decay that will occur given the composition of protons and neutrons in the nucleus. 12. Balance a nuclear equation for both charge and mass. 13. Ident ...
Atoms
... 1. Describe the historic importance of Mendeleev’s Periodic Table. 2. List two of the problems with Mendeleev’s table. 3. Identify the key contribution of Henry Moseley to the modern periodic table 4. Identify groups and periods on the Periodic Table 5. Identify key sections of the periodic table in ...
... 1. Describe the historic importance of Mendeleev’s Periodic Table. 2. List two of the problems with Mendeleev’s table. 3. Identify the key contribution of Henry Moseley to the modern periodic table 4. Identify groups and periods on the Periodic Table 5. Identify key sections of the periodic table in ...
10th Grade Chemistry X (TJ) GRADE(S)/LEVELS SUBJECT Power
... Solutions are mixtures in which particles of one substance are evenly distributed through another substance. Liquids are limited in the amount of dissolved solid or gas that they can contain. Aqueous solutions can be described by relative quantities of the dissolved substances and acidity or alkalin ...
... Solutions are mixtures in which particles of one substance are evenly distributed through another substance. Liquids are limited in the amount of dissolved solid or gas that they can contain. Aqueous solutions can be described by relative quantities of the dissolved substances and acidity or alkalin ...
Review 1st Qtr KEY
... b. energy must be absorbed. c. radiation must be emitted. d. the electron must make a transition from a higher to a lower energy level. ...
... b. energy must be absorbed. c. radiation must be emitted. d. the electron must make a transition from a higher to a lower energy level. ...
Define:
... 78. Which subatomic particle plays the greatest part in determining the properties of an element? 79. Chlorine has two naturally occurring isotopes, Cl-35 and Cl-37. The atomic mass of chlorine is 35.45. Which of these two isotopes of chlorine is more abundant? 80. Consider an element Z that has two ...
... 78. Which subatomic particle plays the greatest part in determining the properties of an element? 79. Chlorine has two naturally occurring isotopes, Cl-35 and Cl-37. The atomic mass of chlorine is 35.45. Which of these two isotopes of chlorine is more abundant? 80. Consider an element Z that has two ...
CP-Chem Ch 3 PowerPoint(Atomic Theory
... • In 1808 an English school teacher proposed an 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 ...
... • In 1808 an English school teacher proposed an 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 ...
Chemistry (B) Final Exam Study Guide 1
... ____ 51. What is the shape of the 3p atomic orbital? a. sphere c. bar b. dumbbell d. two perpendicular dumbbells ____ 52. What is the electron configuration of potassium? a. 1s 2s 2p 3s 3p 4s c. 1s 2s 3s 3p 3d b. 1s 2s 2p 3s 3p d. 1s 2s 2p 3s 3p 4s ____ 53. Which of the following electromagnetic wav ...
... ____ 51. What is the shape of the 3p atomic orbital? a. sphere c. bar b. dumbbell d. two perpendicular dumbbells ____ 52. What is the electron configuration of potassium? a. 1s 2s 2p 3s 3p 4s c. 1s 2s 3s 3p 3d b. 1s 2s 2p 3s 3p d. 1s 2s 2p 3s 3p 4s ____ 53. Which of the following electromagnetic wav ...
Matter Classification
... • The purest substance of matter • There is only one type of atom for every element. In other words, all carbon atoms are identical to other carbon atoms; all aluminum atoms are identical to all aluminum atoms. ...
... • The purest substance of matter • There is only one type of atom for every element. In other words, all carbon atoms are identical to other carbon atoms; all aluminum atoms are identical to all aluminum atoms. ...
Lecture 5 (2.1-2.3)
... 2.3 Dalton’s Atomic Theory • Postulates of Dalton’s atomic theory (1808) 1. Matter consist of small, indivisible and indestructible atoms. 2. All atoms of an element are identical in mass and different from the atoms of other elements. 3. Compounds result from chemical combinations of different ele ...
... 2.3 Dalton’s Atomic Theory • Postulates of Dalton’s atomic theory (1808) 1. Matter consist of small, indivisible and indestructible atoms. 2. All atoms of an element are identical in mass and different from the atoms of other elements. 3. Compounds result from chemical combinations of different ele ...
Document
... 74. A column of elements in the periodic table is known as a ___________________. 75. What type of ions have names ending in –ide? ...
... 74. A column of elements in the periodic table is known as a ___________________. 75. What type of ions have names ending in –ide? ...
The Periodic table and subatomic particles
... Molecular compounds – 2 nonmetals (use prefixes) Polyatomic compounds – metal and group of nonmetals – name metal followed by polyatomic ion ...
... Molecular compounds – 2 nonmetals (use prefixes) Polyatomic compounds – metal and group of nonmetals – name metal followed by polyatomic ion ...
Fundamentals of Chemistry
... – how much reactant is consumed and how much product is formed – coefficients must be consistent with the Law of Conservation of Mass; atoms are neither created nor destroyed in a chemical reaction. – i.e. chemical equation must be balanced ...
... – how much reactant is consumed and how much product is formed – coefficients must be consistent with the Law of Conservation of Mass; atoms are neither created nor destroyed in a chemical reaction. – i.e. chemical equation must be balanced ...
Science 9 Unit 2
... Endothermic – where energy is absorbed eg. Alkaseltzer and water Exothermic- where energy is released e.g. an explosion or fire eg. ...
... Endothermic – where energy is absorbed eg. Alkaseltzer and water Exothermic- where energy is released e.g. an explosion or fire eg. ...
History of the Atom
... Modern Chemistry” Was the first person to generate a list of thirty-three elements in his textbook Devised the metric system Discovered/proposed that combustion occurs when oxygen combines with other elements Discovered/proposed the Law of Conservation of Mass (or Matter) which states, in a ...
... Modern Chemistry” Was the first person to generate a list of thirty-three elements in his textbook Devised the metric system Discovered/proposed that combustion occurs when oxygen combines with other elements Discovered/proposed the Law of Conservation of Mass (or Matter) which states, in a ...
Document
... 39) Which property of aluminum makes it a suitable metal for soft drink cans? a) It has good electrical conductivity b) It can be hammered into a thin sheet (malleability) c) It can be drawn into long wires (ductility) ...
... 39) Which property of aluminum makes it a suitable metal for soft drink cans? a) It has good electrical conductivity b) It can be hammered into a thin sheet (malleability) c) It can be drawn into long wires (ductility) ...
File
... home. Rachel tells him, correctly, that it is a. 39.34%. b. 60.66%. c. 90%. d. impossible to tell, without analyzing the salt. _____ 4. The fact that every sample of a particular chemical compound contains the same elements in exactly the same proportions by mass is known as the law of a. conservati ...
... home. Rachel tells him, correctly, that it is a. 39.34%. b. 60.66%. c. 90%. d. impossible to tell, without analyzing the salt. _____ 4. The fact that every sample of a particular chemical compound contains the same elements in exactly the same proportions by mass is known as the law of a. conservati ...