Name the salt that forms from the follong elements. How many electrons does each of the elements give up or take?
a) Strontium and sulfur
b)Sodium and oxygen
c) Manganese and chloride
d) Aluminum and bromine
Name the salt that forms from the follong elements. How many electrons does each of the...
25. Consider the elements aluminum and oxygen. aluminum охудеn Identify each as a metal or a nonmetal. State the number of valence electrons for each, State the number of electrons that must be lost or gained for each to achieve an octet. Write the symbol, including its ionic charge, and type of each resulting ion. 26. Which of the following pairs of elements are likely to form an ionic compound? Why? Yes/No Why? lithium and chlorine Oxygen and bromine potassium...
"ouTube Popular | Imported From Sa... 6. Which elements are considered alkali metals? A. He, Ne, Ar B. H, N, O C. F, CI, Br D. Na, K, Li 7. What is a cation? A. An atom that has lost electrons and forms a positive charge. B. An atom that has gained electrons and forms a negative charge. C. An atom that has gained protons and forms a positive charge. D. An atom that has lost protons and forms a...
when potassium reacts with bromine it forms the ionic compound KBr. How many valence electrons does K have?
Write the formula for the compound that forms between the elements listed below. Classify each compound as covalent or ionic. a magnesium and nitrogen b indium and sulfur Csodium and sulfur d barium and bromine
DATE NAME SECTION POSTLABORATORY ASSIGNMENT 1. Predict the empirical formula for each of the following compounds given the formula of magnesium oxide, MgO. (a) calcium oxide (b) strontium oxide (c) barium oxide (d) radium oxide 2. Predict the empirical formula for each of the following compounds given the formula of sodium chloride, NaCl. (a) sodium fluoride (b) potassium chloride (c) lithium bromide (d) rubidium iodide 3. A 1.250 g sample of copper wire was heated in air and reacted with...
Please answer briefly Those the elements NAME protons neutrons electrons Neutral/Ion SYMBO L S2- ATOM # 16 MASS # 36 Sulfur 16 20 18 -2 ion K 19 39 19 20 19 neutral potassium Barium Calcium Ba2+ 56 145 56 89 54 +2 ion Ca2+ 20 40 20 20 18 +2 ion Bromine Br-1 35 80 35 45 36 -1 ion Tellurium Te 52 131 52 79 52 neutral 8. Complete the table with the names and symbols of the...
1. Please give the electron configurations, valence electrons, Lewis structure and name for each of the following combinations of elements. a. Na and O b. Li and F c. Mg and O d. Sc and Br e. Zr and S 2. Please give the Lewis structure and name for each of the following combinations of elements. a. Fe (oxidation +2) and Cl b. V ( oxidation +5) and O c. Manganese (oxidation +7) and S 3. Please name the following...
28. How many 4d electrons are in an atom of each of the following elements? a) Y: b) Ag: c) Cs: d) Tc:
8. Why does carbon contain only 4 valence electrons when it has 6 total electrons? 9.True or False. Oxygen and sulfur have the same number of valence electrons. 10. True or False. Beryllium and magnesium have the same number of valence electrons. 11. True or False. Sodium and magnesium have the same number of valence electrons. 12. What is the relationship between the number of valence electrons and the column on the periodic table? 13. How is the number of...
Trends Review and Applications Name Period 1.) Calculate the Z-n of the elements fluorine and chlorine. Why do you notice about each of the elements 2? Why does this make sense in terms of their electron configuratioms 2.) Explain with as much detail possible why it requires more energy to remove the first valence electron from oxygen than from carbon. 3.) Explain with as much detail possible why it requires more energy to remove the first valence electron from magnesium...