22. An unknown element, X, reacts with oxygen to form two oxides with the general formula...
A binary compound of oxygen and an unknown element, X, has the formula XO2 and is 72.71 mass % oxygen. (a) What is the atomic weight of element X? u (b) What is the symbol for the element on the periodic table? X = (c) Is the element X a metal or not? _________? (d) Is the compound XO2 likely to be ionic or covalent?_________ioniccovalent (e) What is the name of the compound?
A. If the following elements were to form an ionic compound, which noble-gas configuration would they most likely attain? Drag the appropriate elements to their respective bins. B. An unknown element, X, reacts with lithium to form the compound Li2X. In other compounds this element also can accommodate up to 12 electrons rather than the usual octet. What element could Xbe? If the following elements were to form an ionic compound, which noble-gas configuration would they most likely attain? Drag...
Aluminum reacts with oxygen to form Al2O3. Which pair of elements would most likely yield a compound with a similar formula? a. In and S b. B and F c. Si and O d. Zn and N
10. A chunk of unidentified element, (element "X"), is reacted with nitrogen to form an ionic compound with the chemical formula X,Ny. Which of the following elements is the most likely identity of X? a. Se | b. Ba d. AI e. CI c. K
Questions: 1. Compare the burning of each element in air and in the oxygen bottle. 4. Does ferric oxide appear to be soluble in water? Relate this observation with the acid/hase test. 5. What type of elements form oxides that produce acidic solutions? What type of elements form oxides that produce basic properties? Is there any relationship between acidic or basic properties of the oxides and the position of the element in the periodic table? 6. Explain whether we would...
An ion has the following Lewis structure where X is an unknown element. Which of the following elements could be X? (There may be more than one possible answer.) Enter your answer by typing the symbol of the element(s) in the box below. If more than one element is possible, separate the symbols of the elements with a comma.
Question 2 1 pts Under certain conditions, sodium reacts with oxygen to form sodium oxide according to the reaction: 4 Na (s) +02 (8) --> 2 Na2O (s) A container holds the amount of oxygen represented by the illustration below: Which image represents the amount of sodium required to completely react with all of the oxygen in the container according to the balanced equation shown above? (c) (b) о (b) (а) (а) о
Extra Credit An unknown compound A of molecular formula of C10H180 reacts with H2SO4 and heat to form two compounds (B and C) of molecular formula C10H16. B and C both react with H2 over Pd/C to form decalin. Ozonolysis of B forms D, and ozonolysis of C forms a diketone E of molecular formula C10H1602. Identify the structures of A, B, C and E. decalin
Extra Credit An unknown compound A of molecular formula of C10H180 reacts with H2SO4 and heat to form two compounds (B and C) of molecular formula C10H16. B and C both react with H2 over Pd/C to form decalin. Ozonolysis of B forms D, and ozonolysis of C forms a diketone E of molecular formula C10H1602. Identify the structures of A, B, C and E. O Que decalin
Extra Credit An unknown compound A of molecular formula of C10H180 reacts with H2SO4 and heat to form two compounds (B and C) of molecular formula C H16. B and C both react with H2 over Pd/C to form decalin. Ozonolysis of B forms D, and ozonolysis of C forms a diketone E of molecular formula C10H1602. Identify the structures of A, B, C and E. o de decalin