chemistry help please

Jan 6th, 2015
Price: $5 USD

Question description

The most electronegative element among the following is


The metal used to recover copper from a solution of copper sulphate is


The number of d-electrons in Fe2+ (Z = 26) is not equal to that of

A.p-electrons in Ne(Z = 10)
B.s-electrons in Mg(Z = 12)
C.d-electrons in Fe(Z = 26)
D.p-electrons in CI(Z = 17)

The metallurgical process in which a metal is obtained in a fused state is called

C.calcinationsD.froth floatation

The molecules of which gas have highest speed?

A.H2 at -73oC
B.CH4 at 300 K
C.N2 at 1,027oC
D.O2 at 0oC

Tutor Answer

(Top Tutor) Daniya L
School: University of Virginia

Studypool has helped 1,244,100 students

Review from student
" Outstanding Job!!!! "
Ask your homework questions. Receive quality answers!

Type your question here (or upload an image)

1821 tutors are online

Brown University

1271 Tutors

California Institute of Technology

2131 Tutors

Carnegie Mellon University

982 Tutors

Columbia University

1256 Tutors

Dartmouth University

2113 Tutors

Emory University

2279 Tutors

Harvard University

599 Tutors

Massachusetts Institute of Technology

2319 Tutors

New York University

1645 Tutors

Notre Dam University

1911 Tutors

Oklahoma University

2122 Tutors

Pennsylvania State University

932 Tutors

Princeton University

1211 Tutors

Stanford University

983 Tutors

University of California

1282 Tutors

Oxford University

123 Tutors

Yale University

2325 Tutors