11:11 Ô A D Instructions - Classes - C... https://coetbschemfabon.neolm. Fill in the blanks: (4.1) Write the complete atomic/nuclide symbol for (a) an ion fluoride that contains 9 protons and 10 neutrons in the nucleus and 10 extranuclear electrons? (b) an ion of iron that contains 26 protons and 30 neutrons in the nucleus and 24 extranuclear electrons? Note: Use the "^" caret symbol to denote exponential components...for example, 20Ca “can be written as "20^40Ca^-2" (atomic number written first). Answer: (a) mass number nuclide symbol (b) mass number nuclide symbol Continue > Status Dause

11:11 Ô A D Instructions - Classes - C... https://coetbschemfabon.neolm. Fill in the blanks: (4.1) Write the complete atomic/nuclide symbol for (a) an ion fluoride that contains 9 protons and 10 neutrons in the nucleus and 10 extranuclear electrons? (b) an ion of iron that contains 26 protons and 30 neutrons in the nucleus and 24 extranuclear electrons? Note: Use the "^" caret symbol to denote exponential components...for example, 20Ca “can be written as "20^40Ca^-2" (atomic number written first). Answer: (a) mass number nuclide symbol (b) mass number nuclide symbol Continue > Status Dause

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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(a) Chlorine has two common isotopes, one of nucleon number 35 and one of nucleon number 37. The proton number is 17. Complete the table: nucleon number 35 nucleon number 37 number of protons number of neutrons number of electrons (b) Some isotopes are radioactive. State two practical uses of radioisotopes. For each example outline how it is used. 1. 2.
5.3) The isotope lithium-7 has a mass of 7.02 amu and a percent natural abundance of 92.6 %. The isotope lithium-6 has a percent natural abundance of 7.42 %. What is the mass of lithium-6? Answer: Submit Answer Try Another Version 1 item attempt remaining Visited
(10/west 4.4 4.4.1 Calcium reacts with chlorine to form calcium chloride. Draw the Aufbau diagram for a calcium ion. 4.4.2 Write down the chemical symbols of the particles found in the calcium chloride crystal lattice. 5.1 Define the term isotope. Atoms of the same element having the same number of protons, but different number of neutrons. Study the unknown elements A to E below: 5.2 A. 19 9 5.2.1 B. 19 10 C. 20 D. 21 11 E. 19 Which of the elements above are isotopes of each other? 5.2.2 Write down the name of this isotope. 5.3 Calculate the relative atomic mass of copper by using the following isotopes of copper: 636 Copper isotopes: 63 Cu-69% and 65 Cu-31% 163x69)(65x31) Classwork. QUESTION 3 Con 3.1 3.1.1. 3.1.2, 3.1.7 3.1. 100 4347 +2015. 10 100 63,62 5.4 Complete the table below. Write only the answer next to question number 5.4.1-5.4.5. Atomic Number of Number of Number of Element Fluoride ion 5.4.3 Mass number number protons neutrons electrons 5.4.1 9 9 5.4.2 10 25 5.4.4 12…
4. 7. 8. 6. 10 11 12 13 14 15 16 17 18 19 20 21 22 23 25 26 A sample of the element Phosphorus is shown to have a mass of 33 and a charge of -3. How many protons would be present in the sample? Phosphorus 15 30.974 A sample of the element Phosphorus is shown to have a mass of 33 and a charge of -3. How would be present in the sample? many electr 24
7. 8. 9. 10 11 12 13 F 14 P 15 P16 17 18 19 20 6.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have a molecular molar mass of 26. g/mol, is burned completely in excess oxygen, and the mass of the products carefully measured: product mass carbon dioxide 20.31 g water 4.16 g Use this information to find the molecular formula of X. Submit Assignn ontilyue Chp
Starung materias Products of the change 2.2. Boron has two naturally occurring isotopes, 1°B and "B. We know that 80.22% of its atoms are "B, atomic weight 11.009 u. From the natural atomic weight given on the inside front cover, calculate the atomic weight of the 1"B isotope. 2.3. Boron has two naturally occurring isotopes, boron-10 and boron-11, with the masses of 10.013 g and 11.009 g, respectively. What is the average atomic mass of boron? 2.4. What is the mass of chlorine-37 (24.23%), if the mass of chlorine-35 (75.77%) is 34 969g and the atomic mass of chlorine is 35 453 92
O CHEM-105_ASSIGNMENT_2_(01, 04) (10) Home Insert Design Layout References Mailings Review View X View Only Your account al_ajmi.g@live.unic.ac.cy doesn't allow editing on a Mac. To learn more, contact your admin about your Office plan. iv. Indicate whether each of the following is true or false. (a) Effective nuclear charge stays about the same when one goes down a group. (b) Group 17 elements have seven electrons in their outer level. (c) Energy is given off when an electron is removed from an atom.
What mass (in grams) of magnesium oxide can be produced from igniting 1.5 g of Mg in Oxygen? (MM of O-16; Mg-24.3)
gen 13. Determine the number of neutrons for the following isotopes: A) Cr-53 Number of neutrons B) K-37 Number of neutrons
The list provided is the correct number of neutrons in each of the following isotopes: (B 10, Hg 199, Cu 63, C 13, Se 77) (5, 119, 34, 7, 43) TRUE OR FALSE
Example 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Part 2: Cation Na+ Gat Cat AI+ Na+ Nat Na+ K+ AI+ NH4 Gat 1. Explain, in terms of Anion CI O PO CI P SO4 OH- P- OH P OH Chemical Formula The charge for element X is NaCl Ga₂(03) CA3(PO4)2 AICI Na3P Na₂(SO4) NaOH KP Al(OH)3 (NH4)3PO4 Ga(OH)3 ons, what a positive ion indicates. A positive ion indicates that it has more electrons. 2. Explain, in terms of electrons, what a negative ion indicates. A negative ion indicates that it gained one of more electrons. 3. Why do some ionic compounds contain a roman numeral? Name Sodium Chloride Gallium Oxygen Calcium Phosphate Aluminium Chlorine Sodium Phosphous Sodium Sulfate Sodium Hydroxide Keplerium Aluminium Hydroxide Ammonium Phosphorus Gallium Hydroxide 4. If element X combines with oxygen to form an ionic compound X₂O, what is the charge of element X? What Group does X belong to on the Periodic Table?