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5. Complete the following chart Elor- r Protons-Neutron- Electron- Mass Number Ca* 6. What is the...
For the following elements, give the numbers of protons, neutrons, electrons, atomic number, and mass number. a) Rn b) Sulfur-34 isotope Write the correct chemical formula and name of the ionic compound that forms from the following ions: a) Fe3+ and S2- b) Mg2+ abs P3- Write the chemical formula for the following compounds, and indicate which contain covalent bonds. a) Lithium nitride b) Carbon tetrafluoride c) Calcium sulfate
What is the formula for the ionic compound containing calcium ions and oxide ions? O A) Cazo OB) Cazo O C) cao OD) CaO3 O E).CaO2
a) Ca is located in the 2A family of the periodic chart, what would be the predicted charge (give both sign and magnitude (numerical value) of the ion formed by Ca? Is this Ca ion called an anion or a cation? Would this calcium ion be larger or smaller radius than a neutral Ca atom? b) P is located in the 5A family of the periodic chart, what would be the predicted charge (sign and magnitude) of the ion formed...
Problem 1. Label each of the following items as an ionic compound. molecule: (a) LiCI (b) H2O (c) NaF element, or : (a) Problem 2. Label each of the following items as an ionic compound. molecule: (a) CO2: (b) CaO; (c) N2. Ans: (a) Problem 3. Write the ion symbol for an atom with the given number of protons and electrons: (a) 11 protons and 10 electrons; (b) 35 protons and 36 electrons; (c) 7 pro- tons and 10 electrons....
State the number of protons and electrons in each of the following.
CH.6Hw
Write the symbols for the ions and the correct formula for the
ionic compound formed by each of the following:
Problem 6.27
Write the symbol for the cation in each of rhe following ionic
compounds:
Part A Ca2+ Express your answers as integers separated by a comma. V AC Oo ? protons, electrons Submit Request Answer Request Answer Part B Sp2- Express your answers as integers separated...
6. The molecular formula of the ionic compound calcium nitrate is Ca(NO3)2 a. Based on the formula given for calcium nitrate, what is the charge (sign and size) on the polyatomic nitrate ion NO3? In other words, what is "x" in the formula NO3? How do you know? b. Calculate the molar mass of calcium nitrate to 2 decimal places. Show how you arrived at your answer. Determine the number of moles in a 65-ng sample of calcium nitrate. c.
What group has the following electron configuration ving electron configuration, 1s? 2s 2p%324p w the electron dot formula for each of the following elements: Ca² Br Ne Ga Cs Elements in group IA and VIIA of the pe form ions with charges of: group IA and VIIA of the periodic table would, respectively, be expected to Please complete the following table and provide the missing information Atomic Notation Mass Number Atomic Number Number of Number of Neutrons Electrons Number of...
1) Define the following: matter, element, atom, trace element, proton, electron, neutron, atomic number, mass number, isotopes, radioisotope, molecule, compound, salt, ion. 2) List the 6 elements that make up about 99% of the weight of an organism. 3) What are the functions of the trace elements iron, fluorine (fluoride), and iodine? 4) An iodine deficiency can result in goiter. True/False 5) Where are protons, neutrons and electrons located? 6) Can you determine the atomic number and mass number from...
Give the number of protons, electrons, and neutrons in each of the following: a. ^10 5 B b. ^199 80 Hg c. ^63 29 Cu d. ^77 34 Se Write the symbol for each of the following ions: a. the ion with 3+charge, 28 electrons, and a mass number of 71 b. the ion with 36 electrons, 35 protons, and 45 neutrons c. the ion with 86 electrons, 142 neutrons, and a 4 + charge d. the ion with a...
Complete the following table using the subshell electron configuration method. A. Species Electron Configuration Number of Valence electrons Ca, Calcium As, Arsenic Mn, Manganese B) Species Electron Configuration Cd, Cadmium Te, Tellurium Br, Bromide ion