On the basis of Rutherford's experimental observations, which of the following statements predicts the structure of the atom?
Check all that apply.
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In an atom, all of the positive and negative charges are randomly distributed.
In an atom, negatively charged electrons are small particles held within a positively charged
sphere.
In an atom, negatively charged electrons are dispersed in the space surrounding the positively
charged nucleus of an atom.
In an atom, most of the mass and the positive charge are located in a small core within the
atom called the nucleus.

What effect might melting sea ice have for people who live in coastal areas?

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

Problem page combustion of hydrocarbons such as pentane ( c5 h12 ) produces carbon dioxide, a "greenhouse gas." greenhouse gases in the earth's atmosphere can trap the sun's heat, raising the average temperature of the earth. for this reason there has been a great deal of international discussion about whether to regulate the production of carbon dioxide.(a) write a balanced chemical equation, including physical state symbols, for the combustion of liquid pentane into gaseous carbon dioxide and gaseous water. (b) suppose 0.350 kg of pentane are burned in air at a pressure of exactly 1 atm and a temperature of 20.0 degree c. calculate the volume of carbon dioxide gas that is produced.be sure your answer has the correct number of significant digits.