Chemistry, 29.10.2020 14:00 siniyalee30
1.A particular ion has a positive two charge. What does this indicate about the particle and its electrons?
2.What type of elements (metals, nonmetals, or metalloids) are involved in ionic bonding? How does an ionic bond occur?
3.What kind of bond would form between iron and copper? How do you know?
4.How do you know if a covalent bond has formed?
5.A bond forms between hydrogen and bromine. Will it be ionic, polar covalent, or nonpolar covalent? How do you determine this?
Answers: 3
Chemistry, 21.06.2019 20:40, Islandgirl67
If equal masses of the listed metals were collected , which would have a greatest volume ? a. aluminum 2.70,b. zinc7.14,c. copper 8.92,d. lead 11.34
Answers: 2
Chemistry, 22.06.2019 07:30, SchoolFirst9811
The scheme below is from a series of reactions that are part of a synthesis of vitamin a. answer the following questions with reference to this scheme. (i) what is "reagent a"? (ii) draw a step-by-step mechanism which explains the formation of compound c from compound b (iii) which reagents would you use to form compound e from compounds c and d (reagents b and c)? for each reagent suggested above in (ii) explain the role of the reagent in the reaction to (iv) form compound e. you may wish to do this by drawing a mechanism. 1. addition of reagent a но reagent a 2. н, о" thо oh нон-с compound a. compound b. compound c .ch-оh 1. reagent b "сно 2. reagent c сh oh compound e. compound d.
Answers: 2
Chemistry, 22.06.2019 16:30, Eddie997
For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.
Answers: 2
1.A particular ion has a positive two charge. What does this indicate about the particle and its ele...
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