Answer:
calcium chloride deihydrate
Chromium has the electron configuration [Ar]4s13d5 and exhibits oxidation numbers 2+, 3+, and 6+. When chromium loses two electrons, it forms the Cr2+ ion and has the configuration [Ar]3d4.
The Answer is B. [Ar]3d4
A. Acids increase the number of OH- ions in a solution. FALSE
B. Bases increase the number of OH- ions in a solution. TRUE
C. Acids increase the number of H+ ions in a solution. TRUE
D. Bases increase the number of H+ ions in a solution. FALSE
B) As water temp increases solubility increases
Answer:
a) C4H6+2H2=C4H10
b) 4Na+CF4=4NaF+C
c) 2Na+2NH3=2NaNH2+H2
d) 2H202=2H2O+O2
Explanation:
Try and make sure there is the same number of reactants as products
