atomic number - Net Start Class
... Metalloids (metal-like) have properties of both metals and non-metals. They are solids that can be shiny or dull. They conduct heat and electricity better than nonmetals but not as well as metals. They are ductile and malleable. ...
... Metalloids (metal-like) have properties of both metals and non-metals. They are solids that can be shiny or dull. They conduct heat and electricity better than nonmetals but not as well as metals. They are ductile and malleable. ...
Answer Key
... 15. Balance the following equation using the smallest set of whole numbers, then add together the coefficients. Do not forget to count coefficients of one. The sum of the coefficients is __ SF4 + __ H2O __ H2SO3 + __ HF A) 6. B) 7. C) 9. D) 4. E) none of these. ...
... 15. Balance the following equation using the smallest set of whole numbers, then add together the coefficients. Do not forget to count coefficients of one. The sum of the coefficients is __ SF4 + __ H2O __ H2SO3 + __ HF A) 6. B) 7. C) 9. D) 4. E) none of these. ...
Alchemy Unit Concepts Review
... 4. What type of chemical bond is found in the following compounds? a. ethylene gas, C2H2(g) b. Copper hydroxide, Cu(OH)2 (aq) Molecular covalent Ionic c. Zinc, Zn (s) d. Phosphorus trifluoride, PF3 (g) Metallic Molecular Covalent e. C(s), graphite Network covalent 5. a) What is an isotope? Isotopes ...
... 4. What type of chemical bond is found in the following compounds? a. ethylene gas, C2H2(g) b. Copper hydroxide, Cu(OH)2 (aq) Molecular covalent Ionic c. Zinc, Zn (s) d. Phosphorus trifluoride, PF3 (g) Metallic Molecular Covalent e. C(s), graphite Network covalent 5. a) What is an isotope? Isotopes ...
use-2012_review_sheettest_form_c_reactions
... The following equations may or may NOT be incorrect in some way. Identify and correct each error, if one is present, then balance each equation. a) Li + O2 LiO2 b) ...
... The following equations may or may NOT be incorrect in some way. Identify and correct each error, if one is present, then balance each equation. a) Li + O2 LiO2 b) ...
AP chemistry Test Review
... c) Most alpha particles passed through the gold foil without being deflected since the nuclei of the gold atoms represent such a small portion of the atomic mass. d) Because of the electrons small masses they did not deflect the alpha particles. e) The high charge of the gold nuclei helps to account ...
... c) Most alpha particles passed through the gold foil without being deflected since the nuclei of the gold atoms represent such a small portion of the atomic mass. d) Because of the electrons small masses they did not deflect the alpha particles. e) The high charge of the gold nuclei helps to account ...
Integrated Science 3
... Matching: Write the letter of the term on the blank line that best answers each question. Answers may be used once, more than once or not at all, only one answer per blank. A) Covalent bond E) Oxygen family I) Halogens _____48. _____49. _____50. _____51. _____52. ...
... Matching: Write the letter of the term on the blank line that best answers each question. Answers may be used once, more than once or not at all, only one answer per blank. A) Covalent bond E) Oxygen family I) Halogens _____48. _____49. _____50. _____51. _____52. ...
Made in the Stars Notes
... The vertical columns are called Groups: Group 1 Alkali metals Group 2 Alkali earth metals Group 7 Halogens Group 8 (or 0) Noble gases All of the elements in the same group have similar chemical properties, e.g. Group 1 metals are all very reactive, very soft and have to be stored under oil. Group 8 ...
... The vertical columns are called Groups: Group 1 Alkali metals Group 2 Alkali earth metals Group 7 Halogens Group 8 (or 0) Noble gases All of the elements in the same group have similar chemical properties, e.g. Group 1 metals are all very reactive, very soft and have to be stored under oil. Group 8 ...
NAME: Unit 3 Test Review Arsenic (As), Selenium (Se), and
... 6. Which has a higher atomic mass metals or non metals? 7. The valence electrons determine an elements chemical property and they also determine how an element ________ with other elements. 8. What are the three main subatomic particles of an atom? 9. Which group on the periodic table is made of ONL ...
... 6. Which has a higher atomic mass metals or non metals? 7. The valence electrons determine an elements chemical property and they also determine how an element ________ with other elements. 8. What are the three main subatomic particles of an atom? 9. Which group on the periodic table is made of ONL ...
2016-2017 Summer Assignment AP Chem 2017 Summer
... 69. The compound adrenaline contains 56.7 % C, 6.56 % H, 28.37% O and 8.28 % N by mass. What is the empirical formula for adrenaline? 70. DDT, an insecticide harmful to fish, birds, and humans, is produced by the following ...
... 69. The compound adrenaline contains 56.7 % C, 6.56 % H, 28.37% O and 8.28 % N by mass. What is the empirical formula for adrenaline? 70. DDT, an insecticide harmful to fish, birds, and humans, is produced by the following ...
ChLM Final Review Name: Period: Base Knowledge 1. Classify the
... 16. On the Periodic Table, which type of elements make cations? Which type make anions? 17. List three metals. 18. List three nonmetals. 19. List two halogens. How many valence electrons do the halogens have? ...
... 16. On the Periodic Table, which type of elements make cations? Which type make anions? 17. List three metals. 18. List three nonmetals. 19. List two halogens. How many valence electrons do the halogens have? ...
Naming Ionic Compounds
... ** this is just like you learned for molecular compounds except you are not worried about the numbers of an element examples: NaCl – sodium chloride CaCl2 – calcium chloride Mg3N2 – magnesium nitride PbO – lead oxide ...
... ** this is just like you learned for molecular compounds except you are not worried about the numbers of an element examples: NaCl – sodium chloride CaCl2 – calcium chloride Mg3N2 – magnesium nitride PbO – lead oxide ...
PERIODIC TRENDS PRACTICE QUIZ
... 10. The measure of the attraction that an atom has for electrons involved in chemical bonds is known as a. Radioactivity. b. Ionization Energy. c. Electronegativity. d. Electron Affinity. ...
... 10. The measure of the attraction that an atom has for electrons involved in chemical bonds is known as a. Radioactivity. b. Ionization Energy. c. Electronegativity. d. Electron Affinity. ...
PERIODIC TRENDS PRACTICE QUIZ
... 10. The measure of the attraction that an atom has for electrons involved in chemical bonds is known as a. Radioactivity. b. Ionization Energy. c. Electronegativity. d. Electron Affinity. ...
... 10. The measure of the attraction that an atom has for electrons involved in chemical bonds is known as a. Radioactivity. b. Ionization Energy. c. Electronegativity. d. Electron Affinity. ...
Standard EPS Shell Presentation
... gases or liquids in their pure form. Fluorine (F), chlorine (Cl), and bromine (Br) form salts when the bond with alkali metals. ...
... gases or liquids in their pure form. Fluorine (F), chlorine (Cl), and bromine (Br) form salts when the bond with alkali metals. ...
Document
... 43) In a chemical reaction, the name(s) of the material(s) that you start with are called the reactants and appear on the left side of the arrow, 44) In a chemical reaction, the name(s) of the material(s) that you end with are called the products and appear on the right side of the arrow. 45) In a c ...
... 43) In a chemical reaction, the name(s) of the material(s) that you start with are called the reactants and appear on the left side of the arrow, 44) In a chemical reaction, the name(s) of the material(s) that you end with are called the products and appear on the right side of the arrow. 45) In a c ...
What is a mixture?
... Pure Substances • Pure substances are substances in which there is only one type of particle. • These particles are called atoms. • The only two things that are pure substances are: 1. Elements 2. Compounds ...
... Pure Substances • Pure substances are substances in which there is only one type of particle. • These particles are called atoms. • The only two things that are pure substances are: 1. Elements 2. Compounds ...
NAME: Unit 3 Test Review Arsenic (As), Selenium (Se), and
... 6. Which has a higher atomic mass metals or non metals? metals 7. The valence electrons determine an elements chemical property and they also determine how an element reacts with other elements. 8. What are the three main subatomic particles of an atom? protons, neutrons, electrons 9. Which group on ...
... 6. Which has a higher atomic mass metals or non metals? metals 7. The valence electrons determine an elements chemical property and they also determine how an element reacts with other elements. 8. What are the three main subatomic particles of an atom? protons, neutrons, electrons 9. Which group on ...
Compounds of Chlorine
... The X-Cl bond is an electron pair covalent bond with a highly polar nature. In this regard, chlorine is similar to uorine. However, there are two key features with regard to chlorine's bonding that dierentiates it from uorine. 1. Unlike uorine, chlorine can form multiple covalent bonds, e.g., Cl ...
... The X-Cl bond is an electron pair covalent bond with a highly polar nature. In this regard, chlorine is similar to uorine. However, there are two key features with regard to chlorine's bonding that dierentiates it from uorine. 1. Unlike uorine, chlorine can form multiple covalent bonds, e.g., Cl ...
284
... 21. Using the average atomic masses, calculate the mass in grams of each of the following samples. a. 1.25 mol of platinum(IV) chloride b. 0.00255 mol of copper(II) oxide c. 1.89 x 10-4 mol of ethane, C2H6 d. 55.56 mol of beryllium e. 2.6 x 107 mol of diboron trioxide f. 0.45 mol of sodium fluoride ...
... 21. Using the average atomic masses, calculate the mass in grams of each of the following samples. a. 1.25 mol of platinum(IV) chloride b. 0.00255 mol of copper(II) oxide c. 1.89 x 10-4 mol of ethane, C2H6 d. 55.56 mol of beryllium e. 2.6 x 107 mol of diboron trioxide f. 0.45 mol of sodium fluoride ...
Unit 5 Study Guide
... Unit 5 Study Guide: Chemical Reactions 1. What are the 7 diatomic molecules? ...
... Unit 5 Study Guide: Chemical Reactions 1. What are the 7 diatomic molecules? ...
ReviewCat1 - greenslime.info
... Luster - describes how a material reflect light Malleability - materials flexibility without breaking Metals - good conductors of heat/electricity Metalloids - have properties of both metals & nonmetals Non-metals - poor conductors of heat/electricity Valence - # of electrons in the outer most shell ...
... Luster - describes how a material reflect light Malleability - materials flexibility without breaking Metals - good conductors of heat/electricity Metalloids - have properties of both metals & nonmetals Non-metals - poor conductors of heat/electricity Valence - # of electrons in the outer most shell ...
2011 Spring 1 key
... d. Explain why the actual yield in a chemical reaction such as this one is less than the theoretical yield. (6 points) (1) Many chemical reactions are significantly reversible. Because there is a constant conversion of reactants to products and products to reactants, the reaction never proceeds comp ...
... d. Explain why the actual yield in a chemical reaction such as this one is less than the theoretical yield. (6 points) (1) Many chemical reactions are significantly reversible. Because there is a constant conversion of reactants to products and products to reactants, the reaction never proceeds comp ...
The Chinese High School
... What is 12K/18K/24K gold? What is the difference between the different types of gold? All these questions can be answered with one key word – do you know what it is? ...
... What is 12K/18K/24K gold? What is the difference between the different types of gold? All these questions can be answered with one key word – do you know what it is? ...
GO 3_3 The Periodic Table
... They react when exposed to air or water As you move down the group, reactivity increases. Lithium ...
... They react when exposed to air or water As you move down the group, reactivity increases. Lithium ...
Chapter 7 Periodic Properties of the Elements
... Explanation: The formula of the compound MCl2 indicates that M must have 2+ charges on it and it must be an alkaline-earth metal. Element reactivity and atomic radius typically increase down the group, which means that the element could be Ca or Sr. Since Sr is the only option that fits the answer i ...
... Explanation: The formula of the compound MCl2 indicates that M must have 2+ charges on it and it must be an alkaline-earth metal. Element reactivity and atomic radius typically increase down the group, which means that the element could be Ca or Sr. Since Sr is the only option that fits the answer i ...