The oxidation number of hydrogen when it is in a compound other than a hydride is

What does a positive standard reduction potential mean about a given element? The element is more readily oxidized than hydrogen. The element is more readily oxidized than most other elements. The element is more readily reduced than hydrogen.

Write a balanced formation equation at standard conditions for the compound HI.

An archeological artifact has a carbon-14 decay rate of 2.75 dis/min·gC. If the rate of decay of a living organism is 15.3 dis/min·gC, how old is this artifact? Assume that t1/2 for carbon-14 is 5730 yr. 1.42 * 104 yr1.209 * 10-4 yr6.16 * 103 yr1.

Is 4Si2H3 + 11O2=8SiO2+6H2O balanced

Which of the following represents a compound made of five molecules? A) C5O B) 5CO2 C) CO5 D) C2O5

What elements on the periodic table are most likely to form molecular compounds?

Is flammability a form of chemical change or physical change

Lipid bilayers:A. depend on hydrophobic interactions to arrange the polar head groups together in the interior of the bilayer. B. contain fatty acids that are immobile. C. are found only in eukaryotes. D.

The fictional character of sherlock holmes was created by

This symbol ⇔ indicates: question 2 options: that heat must be applied. that the reaction is reversible. that a gas is formed by the reaction. an incomplete combustion reaction.