What is the short hand configuration for Sc

1. Rank the following compounds in order of decreasing acid strength using periodic trends. Rank the acids from strongest to weakest. To rank items as equivalent, overlap them. A. HCl. B. H2S. C. HBr. D. BH3.2.

Which is a homogeneous mixture

List and describe three examples of a chemical property

Is 70 degree hot or cold

Sodium easily combines with chlorine to make salt is it A) compressibility B) heat of combustion or C) reactivity

chromium can combine with chlorine to from corneum chloride which equation is a correct representation of this reaction

What is the atomic weight of a hypothetical element consisting of two isotopes, one with mass = 64.23 amu (26.0%), and one with mass = 65.32 amu? (a) 65.3 amu (b) 64.4 amu (c) 64.9 amu (d) 65.0 amu (e) 64.8 amu

Is this base a physical or chemical property?

Classify each of the following aqueous solutions as a nonelectrolyte, weak electrolyte, or strong electrolyte. a) LiClO4 b) HClO c) CH3CH2CH2OH d) HClO3 e) CuSO4 f) C12H22O11

Give examples of temporaty physical change