ISSED THIS? Read Section 3.5 (Fages 100- 105) : Watch KCV 3.5, WE 3.3. hydroxide nter a formula for the compound that forms between magnesium and each polyatormic ion. Express your answer an a chemical formula. > View Avallable Hint(e) ? OH DA chemical reaction does not occur for this question. Submit Previous Answere X Incorrect Try Again; 3 attempts remaining Part B chromate Expreee your answer as a chemical formula. > View Avallable Hint(e)

MISSED THIS? Read Section 3.9 (Pages 113 - 118) ; Watch IWE 3.16. Part A How many fluorine atoms are present in 6.05 g of C2F4? Express your answer to three significant figures. • View Available Hint(s) ? atoms Submit

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What is the chemical formula for Copper (I) Sulfide? Show your steps.

new-source.https://.... * Question Completion Status: The correct name for this diatomic molecule Cl₂, is O chlorine atom O dichloride dichlorine Ochlorine molecule THERENI esc QUESTION 15 Match molecules and ionic compounds with their names *FeCl2 ✓ H₂S ✓ Cu₂0 ✓ CuO ✓ NH3 NHACH ✓ H₂SO4 F Click Save and Submit to save and submit. Click Save All Answers to save all answers → # с LA A. sulfuric acid B. Iron (II) Chloride C. ammonium hydroxide D. ammonia % E. copper (II) oxide F. Hydrosulfuric acid G. copper (1) oxide M hp &

keAssignment/takeCovalentActivity.do?locator-assignment-take MI 2req 2req (X) 2req 2req 2req 2req 2req 2req A compound is found to contain 7.962 % silicon, 20.10 % chlorine, and 71.94 % iodine by mass. What is the empirical formula for this compound? To answer the question, enter the elements in the order presented above. Submit Answer Use the References to access important values if needed for this question. K Retry Entire Group 9 more group attempts remaining Previous Next 14 * - 0

S Profiles Tab Window Help Homework X World view X Paraphrasi X signment/takeCovalentActivity.do?locator=assignment-take G Grammarly X moles How many moles of Be are there in 72.8 grams of Be ? Submit Answer My Home [Review Topics] [References] Use the References to access important values if needed for this question. X Retry Entire Group 9 more group attempts remaining OWLv2 | C X G E Show All

15 of 16 I Review | Constants | Periodic Table Part A H O ||| CH3-C-N-CH2-CH3 Spell out the full name of the compound. Submit Request Answer Part B CH3-CH2-CH2 C-NH2 Spell out the full name of the compound. Pearson carson Education Inc. All rights reserved.| Terms of Use | Privacy Policy | Permissions | Contact Us | 12:14 AM xpジC 10/29/2020 PrtSc Delote F10 08.

ent/takeCovalentActivity.do?locator-assignment-take Visited 9 eq req Use the References to access important values if needed for this question. 1. How many MOLECULES of nitrogen trifluoride are present in 5.36 grams of this compound? molecules. 2. How many GRAMS of nitrogen trifluoride are present in 7.20x1022 molecules of this compound ? grams. Submit Answer Retry Entire Group 9 more group attempts remaining Previous 07:10

Predict the chemical formula for a compound composed of Na+ and S2- and give the appropriate name.