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Chemistry Nomenclature Notes
... Look at the transition metals. Notice that some of the elements show more than one charge is possible. Example: iron 3+ on the left and 2+ on the right. When it reacts with a nonmetal such as oxygen it can form two compounds, Fe2O3 (s) or FeO (s). We need some way of distinguishing between the two c ...
... Look at the transition metals. Notice that some of the elements show more than one charge is possible. Example: iron 3+ on the left and 2+ on the right. When it reacts with a nonmetal such as oxygen it can form two compounds, Fe2O3 (s) or FeO (s). We need some way of distinguishing between the two c ...
The Periodic Table
... the core of an atom, called the nucleus The number of protons and neutrons add together to give the mass of the atom – each is designated a mass of 1 amu ...
... the core of an atom, called the nucleus The number of protons and neutrons add together to give the mass of the atom – each is designated a mass of 1 amu ...
CHEMISTRY FALL FINAL PRACTICE 2016
... Write the nuclear notation for the most common isotope of chromium. ...
... Write the nuclear notation for the most common isotope of chromium. ...
2011 Chem Facts Key
... 48. Real gas particles have volume and are attracted to one another. They don"t always behave like ideal gases. Lighter gases (with weaker attractive forces) are often most ideal. Which of the following is the most ideal gas? He, Ne, Ar, Kr 49. Real gases behave more like ideal gases at low pressure ...
... 48. Real gas particles have volume and are attracted to one another. They don"t always behave like ideal gases. Lighter gases (with weaker attractive forces) are often most ideal. Which of the following is the most ideal gas? He, Ne, Ar, Kr 49. Real gases behave more like ideal gases at low pressure ...
Inorganic Chemistry Lesson 3
... In that case, the mass of the nail increases when it rusts. This, as well as many similar phenomena were interpreted by ordinary peoples and by scientists as an indication that matter is not necessarily conserved during chemical reactions, and this wrong belief was common among people until late XVI ...
... In that case, the mass of the nail increases when it rusts. This, as well as many similar phenomena were interpreted by ordinary peoples and by scientists as an indication that matter is not necessarily conserved during chemical reactions, and this wrong belief was common among people until late XVI ...
Chapter #2-Newest CPub
... does not change during a chemical reaction (Lavoisier). • Law of Definite (or Constant) Composition: No matter what its source, a particular chemical compound is composed of the same elements in the same parts (fractions) by mass (Proust). • The Law of Multiple Proportions: When two elements form a ...
... does not change during a chemical reaction (Lavoisier). • Law of Definite (or Constant) Composition: No matter what its source, a particular chemical compound is composed of the same elements in the same parts (fractions) by mass (Proust). • The Law of Multiple Proportions: When two elements form a ...
ExamView - test.practice.questions.tst
... ____ 25. 4.4 - WWBAT convert between moles & grams What is the mass of 4.7 moles of Na3PO4 (molar mass= 164 grams/mole)? a. 164 g c. 781 g b. 34.9 g d. 542 g ____ 26. 4.4 - WWBAT convert between moles & grams How many moles of carbon-12 are contained in exactly 6 grams of carbon-12? a. 0.5 mole c. m ...
... ____ 25. 4.4 - WWBAT convert between moles & grams What is the mass of 4.7 moles of Na3PO4 (molar mass= 164 grams/mole)? a. 164 g c. 781 g b. 34.9 g d. 542 g ____ 26. 4.4 - WWBAT convert between moles & grams How many moles of carbon-12 are contained in exactly 6 grams of carbon-12? a. 0.5 mole c. m ...
Chemistry
... For each element, the arrangement of electrons surrounding the nucleus is unique. These electrons are found in different energy levels and can only move from a lower energy level (closer to nucleus) to a higher energy level (farther from nucleus) by absorbing energy in discrete packets. The energy c ...
... For each element, the arrangement of electrons surrounding the nucleus is unique. These electrons are found in different energy levels and can only move from a lower energy level (closer to nucleus) to a higher energy level (farther from nucleus) by absorbing energy in discrete packets. The energy c ...
Chemistry (CP) Final Exam Study Guide 1
... ____ 7. a physical blend of two or more components ____ 8. part of a sample having uniform composition and properties ____ 9. not uniform in composition ____ 10. a substance formed in a chemical reaction ____ 11. starting substance in a chemical reaction Match each item with the correct statement be ...
... ____ 7. a physical blend of two or more components ____ 8. part of a sample having uniform composition and properties ____ 9. not uniform in composition ____ 10. a substance formed in a chemical reaction ____ 11. starting substance in a chemical reaction Match each item with the correct statement be ...
c2 atomic structure f pmh
... A lithium atom can lose one electron to form a lithium ion which can be written (2)+ A fluorine atom can gain one electron to form a fluoride ion. Choose from the list the correct way to write the fluoride ion. ...
... A lithium atom can lose one electron to form a lithium ion which can be written (2)+ A fluorine atom can gain one electron to form a fluoride ion. Choose from the list the correct way to write the fluoride ion. ...
CHEMISTRY The Central Science 9th Edition
... -Usually for the simplicity, we represent the elements by symbols, using the initial letter of the name in capital form, starting by the old known elements, so Carbon is represented by the letter C, but Calcium is represented by the symbol Ca and Cobalt by the symbol Co, ……, Nitrogen is represented ...
... -Usually for the simplicity, we represent the elements by symbols, using the initial letter of the name in capital form, starting by the old known elements, so Carbon is represented by the letter C, but Calcium is represented by the symbol Ca and Cobalt by the symbol Co, ……, Nitrogen is represented ...
General Chemistry - Review for final exam: (Make sure you bring
... 71. In the above reaction, NaCl + F2 NaF + Cl2, F is more or less reactive than Cl? 72. In the activity series of metals are the more reactive metals found on the top or the bottom of the chart? 73. What conditions in the reactants must be present in order for a double-replacement to take place? 7 ...
... 71. In the above reaction, NaCl + F2 NaF + Cl2, F is more or less reactive than Cl? 72. In the activity series of metals are the more reactive metals found on the top or the bottom of the chart? 73. What conditions in the reactants must be present in order for a double-replacement to take place? 7 ...
AP Semester I Review: Free Response Questions
... particles shown in the representations above. Include only one formula unit of LiCl and no more than ten molecules of water. ...
... particles shown in the representations above. Include only one formula unit of LiCl and no more than ten molecules of water. ...
rev8thgrade - PAMS
... A chemical equation represents the change that takes place in a chemical reaction • In a chemical equation, the chemical formulas of the reactants are written on the left; an arrow indicates a change to a new substance; and the chemical formulas of the products are written on the right ...
... A chemical equation represents the change that takes place in a chemical reaction • In a chemical equation, the chemical formulas of the reactants are written on the left; an arrow indicates a change to a new substance; and the chemical formulas of the products are written on the right ...
TEST on Atomic Structure
... Identify each as either ionic or covalent compounds and provide either the name or formula 5 points You may find these prefixes helpful for the questions below ...
... Identify each as either ionic or covalent compounds and provide either the name or formula 5 points You may find these prefixes helpful for the questions below ...
C1 Revision Fundamental ideas adapted CS
... e............................. in their outer s.................., e.g. all group 1 elements react with w..................... sodium ...
... e............................. in their outer s.................., e.g. all group 1 elements react with w..................... sodium ...
Midterm Review - Closter Public Schools
... 12. The ________________________ is the weighted average of all of the naturally occurring isotopes of a given element. 13. _________________________ organized the first periodic table. 14. He organized the periodic table by ____________________; it was later reorganized by ______________________. 1 ...
... 12. The ________________________ is the weighted average of all of the naturally occurring isotopes of a given element. 13. _________________________ organized the first periodic table. 14. He organized the periodic table by ____________________; it was later reorganized by ______________________. 1 ...
key
... b) If a new element, X, with atomic weight 25.84 is discovered, what would its properties be? Where would it fit in the periodic table you constructed? Placed in table above using blue electrons. We predict it to be a colorless gas with low electrical conductivity and high electrical reactivity. c) ...
... b) If a new element, X, with atomic weight 25.84 is discovered, what would its properties be? Where would it fit in the periodic table you constructed? Placed in table above using blue electrons. We predict it to be a colorless gas with low electrical conductivity and high electrical reactivity. c) ...
Unit 2 Review: Chemistry - Mr. Hoover's Science Classes
... H has a mass of 1.01 amu. This means that iron atoms are about 55.85 times heavier than hydrogen atoms. Atomic masses are always expressed as decimal fractions. One reason that they do not have whole number values is that, except for fluorine, atoms of the same element have different numbers of neut ...
... H has a mass of 1.01 amu. This means that iron atoms are about 55.85 times heavier than hydrogen atoms. Atomic masses are always expressed as decimal fractions. One reason that they do not have whole number values is that, except for fluorine, atoms of the same element have different numbers of neut ...
Atomic Theory Practice Test
... ____ 18. The electrons involved in the formation of a chemical bond are called a. dipoles. c. Lewis electrons. b. s electrons. d. valence electrons. ____ 19. In a chemical bond, the link between atoms results from the attraction between electrons and a. Lewis structures. c. van der Waals forces. b. ...
... ____ 18. The electrons involved in the formation of a chemical bond are called a. dipoles. c. Lewis electrons. b. s electrons. d. valence electrons. ____ 19. In a chemical bond, the link between atoms results from the attraction between electrons and a. Lewis structures. c. van der Waals forces. b. ...
Periodic Table
... from left to right 2. explanations: metals tend to lose e; non-metals tend to gain eE. Electronegativity and the ...
... from left to right 2. explanations: metals tend to lose e; non-metals tend to gain eE. Electronegativity and the ...
Chemistry Reference Table Review
... (1) larger because Cl loses an electron (2) larger because Cl gains an electron (3) smaller because Cl loses an electron (4) smaller because Cl gains an electron 69. What is the half-life of sodium-25 if 1.00 gram of a 16.00-gram sample of sodium-25 remains unchanged after 237 seconds? (1) 47.4 s (2 ...
... (1) larger because Cl loses an electron (2) larger because Cl gains an electron (3) smaller because Cl loses an electron (4) smaller because Cl gains an electron 69. What is the half-life of sodium-25 if 1.00 gram of a 16.00-gram sample of sodium-25 remains unchanged after 237 seconds? (1) 47.4 s (2 ...
Science-M2-Basic-Che..
... boiling – This change is the rapid vaporization of a liquid, which typically occurs when a liquid is heated to its boiling point: the temperature at which the vapor pressure of the liquid is equal to the pressure exerted on the liquid by the surrounding environmental pressure. Sometimes a liquid may ...
... boiling – This change is the rapid vaporization of a liquid, which typically occurs when a liquid is heated to its boiling point: the temperature at which the vapor pressure of the liquid is equal to the pressure exerted on the liquid by the surrounding environmental pressure. Sometimes a liquid may ...