A piece of limestone erodes due to acid rain. this process can be best described as a

slow chemical change.

rapid chemical change.

slow physical change.

rapid physical change.

Which scientist established the law of octaves? A. Antoine Lavoisier B. Dimitir Mendeleev C. Henry Moseley D. John Newlands

This Venn diagram is used to compare the products and reactants of a reaction of baking soda and vinegar. What could be put into the intersection? Precipitates Chemical compounds Solid compounds Gases

Which of the following is not a solution? Saltwater Steel Vinegar Milk

Who wants to start a deep conversation?

You have a sample of a radioactive isotope of an element called "mysterium." The half life of "mysterium" is 16 days. If you start with a 300 g sample of "mysterium," what mass of "mysterium"will remain after 64 days?

An element that is in the same column as element c is likely to have which properties

The ionic equation for MgCl2 and KOH.

Write chemical equation and balance for copper (II) nitrate and barium sulfide

What is the density of a block of salt having a mass of 8.0g and a volume of 25cm cubed

According to the periodic trend, which of the following is most likely to have the lowest electronegativity? I Rb Y Pd