If you were asked to convert 4.2 * 1022 atoms of aluminum to moles, which of the following should you use for the conversion?

How can the pH of a solution be calculated if the pOH is known? A) by taking the negative logarithm of pOH B) by adding the pOH to 14 C) by raising 10 to the power of - pOH D) by subtracting the pOH from 14

True or false? Anions tend to gain electrons in an ionic bond.

What is the electron configuration of sodium?

Which elements are the transuranium elements? Use the periodic table link from the tools bar to answer the question.

An organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide. choses autotroph or heterotroph

Calculate the number of moles of Barium hydroxide, Ba (OH) 2, present in a 100.0 g sample.

Which type of reaction occurs in the following? 2HgO (s) - - 2Hg (l) + O2 (g) 1. a decomposition reaction in which a metal is reduced 2. an acid-base neutralization reaction to produce oxygen gas a displacement 3.

Is pulverizing an aspirin a physical or chemical process

Explain two reasons why we can conclude that the rise of the water in the glass tube is due to root pressure and not transpiration or capillarity

Four type of molecular models