Edgar N Arbaje

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Questions related from Edgar N Arbaje

Best IQ measure to assess suspected intellectual disability?

I am a psychologist in the United States (in Florida, specifically). I conduct a variety of evaluations. Occasionally, I receive referrals for IQ and academic achievement testing with school-aged...

27 February 2024 2,548 3 View

Are there any research papers on the anatomy of big cat hybrids, such as ligers and tigons?

This is certainly going to be a strange question. Brace for impact. I performed very superficial searches on a couple of article databases (including researchgate.net). All I have found was one...

23 March 2020 1,228 3 View

Is there a chart anywhere which lists which oxides are optically transparent and which are colored?

Curious to know which metal oxides have color and which don't. For example, a few metal monoxides have a dark or black color (FeO, CuO). Cr2O3 has a greenish color. And so forth.

19 December 2019 7,930 0 View

Are there any ceramics or alloys which have a crystal structure that resembles an octet truss?

I've read somewhere that the octet truss is among the most structurally-stable, weight-bearing structures. I was interested to know if there are any ceramics or alloys which adopt said structure.

08 May 2019 2,806 2 View

In metal diborides (like AlB2, MgB2, TiB2), how many electrons per metal atom does boron need to form the layered hexagonal sheets?

The strangeness of boron as an element is that it generally behaves differently than other members of its family. Instead of acting like a metal typical of group 13, it forms structures that are...

03 January 2019 5,689 3 View