groups (families) vs rows
... Which element is in the halogen family and in row 2 ? _________________ ...
... Which element is in the halogen family and in row 2 ? _________________ ...
Prior knowledge catch-up student sheet for Chapter 3 Quantitative
... Chemical reactions can be represented using a formula to show reactants and products in a chemical equation, with an arrow in between. An equation must be balanced with the same number of each type of atom on each side of the arrow. To make equations balance, numbers may have to be added in front of ...
... Chemical reactions can be represented using a formula to show reactants and products in a chemical equation, with an arrow in between. An equation must be balanced with the same number of each type of atom on each side of the arrow. To make equations balance, numbers may have to be added in front of ...
Chemistry Mid-Term Review Sheet
... 55. The radius of a cation is ___________ than its neutral atom. 56. The radius of an anion is ___________than its neutral atom. 57. What are 2 characteristics of noble gases? 58. List the charges formed by the groups on the periodic table. 59. What charges do the following elements have when they f ...
... 55. The radius of a cation is ___________ than its neutral atom. 56. The radius of an anion is ___________than its neutral atom. 57. What are 2 characteristics of noble gases? 58. List the charges formed by the groups on the periodic table. 59. What charges do the following elements have when they f ...
Note 1.1 Chemistry of Life
... Alkali and Alkaline Earth metals take on positive charges and Halogens take on a negative charge. (Metals are attracted to non metals) ...
... Alkali and Alkaline Earth metals take on positive charges and Halogens take on a negative charge. (Metals are attracted to non metals) ...
Quiz 1 - sample quiz
... Electrons have a much greater mass than protons. All sodium cations (Na+) have 11 protons. If an atom loses electrons it becomes positively charged and is called a cation. The argon atom has 18 electrons. Different isotopes of the same element contain different numbers of neutrons. ...
... Electrons have a much greater mass than protons. All sodium cations (Na+) have 11 protons. If an atom loses electrons it becomes positively charged and is called a cation. The argon atom has 18 electrons. Different isotopes of the same element contain different numbers of neutrons. ...
Chemical Reaction Basics
... Advanced Chemistry – Chapter 8 A ____________ ____________ is a process by which one or more substances are changed into one or more ____________ substances. Chemical reactions are represented by some type of ____________. The general form is as follows: ...
... Advanced Chemistry – Chapter 8 A ____________ ____________ is a process by which one or more substances are changed into one or more ____________ substances. Chemical reactions are represented by some type of ____________. The general form is as follows: ...
Unit 2 Test Review - Liberty High School
... Complete the following problems to help prepare you for you Unit 2 Test. You more than likely will want to answer these questions on a separate piece of paper (unless you can write microscopically). In addition to these problems, review your notes, assignments (#29-44), labs, and chapter 3 & 4 in yo ...
... Complete the following problems to help prepare you for you Unit 2 Test. You more than likely will want to answer these questions on a separate piece of paper (unless you can write microscopically). In addition to these problems, review your notes, assignments (#29-44), labs, and chapter 3 & 4 in yo ...
Name - cloudfront.net
... Draw the molecular Lewis dot structure for the following compounds and determine the shape of the molecule. ...
... Draw the molecular Lewis dot structure for the following compounds and determine the shape of the molecule. ...
Chapter 4 REVIEW
... 5. The American chemist G. N. Lewis suggested that atoms react in order to achieve a more stable electron configuration. Describe the electron configuration that gives an atom maximum stability. ...
... 5. The American chemist G. N. Lewis suggested that atoms react in order to achieve a more stable electron configuration. Describe the electron configuration that gives an atom maximum stability. ...
File - LSAmockscience
... • Notice that the OH is a group O Ca O H • The 2 refers to both H and O H • How many of each atom are in the following? Na = 1, O = 1, H = 1 a) NaOH b) Ca(OH)2 Ca = 1, O = 2, H = 2 c) 3Ca(OH)2 Ca = 3, O = 6, H = 6 ...
... • Notice that the OH is a group O Ca O H • The 2 refers to both H and O H • How many of each atom are in the following? Na = 1, O = 1, H = 1 a) NaOH b) Ca(OH)2 Ca = 1, O = 2, H = 2 c) 3Ca(OH)2 Ca = 3, O = 6, H = 6 ...
Ch. 3
... Chemical formulas have positive and negative ions when combined have their oxidation numbers equaling zero. ...
... Chemical formulas have positive and negative ions when combined have their oxidation numbers equaling zero. ...
elements in a family have the same number of
... found that the families had similar chemical properties. Blank spaces were left open to add the new elements he predicted would occur. ...
... found that the families had similar chemical properties. Blank spaces were left open to add the new elements he predicted would occur. ...
Biology project Lz
... and carbon tetrachloride. Mellitic acid, which contains no C-H bonds, is considered a possible organic substance in Martian soil. C-C bond is found in most organic compounds, except some small molecules like methane and methanol, which have only one carbon atom in their structure.[6] The "C-H bond-o ...
... and carbon tetrachloride. Mellitic acid, which contains no C-H bonds, is considered a possible organic substance in Martian soil. C-C bond is found in most organic compounds, except some small molecules like methane and methanol, which have only one carbon atom in their structure.[6] The "C-H bond-o ...
Compound Name
... 1. Which of the following statements or situations does NOT refer to weather? a) This summer had the coolest average daytime high in the last 5 years. b) The forecast for next week is for a heat wave, smog and high humidity. c) When the film An Inconvenient Truth was released, 1998 was the hottest y ...
... 1. Which of the following statements or situations does NOT refer to weather? a) This summer had the coolest average daytime high in the last 5 years. b) The forecast for next week is for a heat wave, smog and high humidity. c) When the film An Inconvenient Truth was released, 1998 was the hottest y ...
This `practice exam`
... 17. An organic solvent has the empirical formula CH. If the molar mass of this solvent is 78.11 g/mol, what is the molecular formula of benzene? C6H6 18. Ammonia is prepared by reacting nitrogen and hydrogen gases at high temperature according to the unbalanced chemical equation below. __ N2(g) + __ ...
... 17. An organic solvent has the empirical formula CH. If the molar mass of this solvent is 78.11 g/mol, what is the molecular formula of benzene? C6H6 18. Ammonia is prepared by reacting nitrogen and hydrogen gases at high temperature according to the unbalanced chemical equation below. __ N2(g) + __ ...
Masterton and Hurley Chapter 3
... 5. *If the answers to #4 are whole numbers, these are the subscripts in the empirical formula. * If any of the answers to #4 is not a whole number, convert all answers to a common fraction. Multiply each fraction by the denominator resulting in a whole number and these are the subscripts in the empi ...
... 5. *If the answers to #4 are whole numbers, these are the subscripts in the empirical formula. * If any of the answers to #4 is not a whole number, convert all answers to a common fraction. Multiply each fraction by the denominator resulting in a whole number and these are the subscripts in the empi ...
Science-M2-Basic-Che..
... Two friends (a couple, if one exists in the class) walk down the aisle, and another student “takes the place” of one of the pair. Not only is this hilarious—“he stole his girl,” etc.—but it’s simple and effective. Double replacement is when 2 compounds react to produce 2 new compounds. The cation of ...
... Two friends (a couple, if one exists in the class) walk down the aisle, and another student “takes the place” of one of the pair. Not only is this hilarious—“he stole his girl,” etc.—but it’s simple and effective. Double replacement is when 2 compounds react to produce 2 new compounds. The cation of ...
Determining Formula and Molar Masses
... • The molecular mass of a molecule is found by adding the atomic masses of all the atoms in one molecule. • Not all substances exist as molecules, so the term molecular mass is not used for all substances. The masses of ionic compounds and empirical formulas are called formula mass. Review Questions ...
... • The molecular mass of a molecule is found by adding the atomic masses of all the atoms in one molecule. • Not all substances exist as molecules, so the term molecular mass is not used for all substances. The masses of ionic compounds and empirical formulas are called formula mass. Review Questions ...
Lecture 2 - TCD Chemistry
... Chemical properties of atoms are significantly determined by the elemental building units of atoms ...
... Chemical properties of atoms are significantly determined by the elemental building units of atoms ...
Chemical reaction
... Chemical Element • Chemical elements - composed of atoms that share the same characteristics, but differ from the atoms of other elements • Elements want eight electrons in the outermost shell • Except Hydrogen and Helium ...
... Chemical Element • Chemical elements - composed of atoms that share the same characteristics, but differ from the atoms of other elements • Elements want eight electrons in the outermost shell • Except Hydrogen and Helium ...
Chapter 2
... • These atoms have formed a double covalent bond. Molecular formula Structural formula Fig. 2.12b ...
... • These atoms have formed a double covalent bond. Molecular formula Structural formula Fig. 2.12b ...