The nucleus of an atom is dense and positively charged. what was observed when positively charged particles were radiated onto a gold atom during rutherford's experiment because of
this?
negative charges were concentrated at the center of the atom
particles that struck the center of the atom were repelled
particles that struck the edges of the atom were repelled
positive charges were distributed all over the atom
Answers: 1
Chemistry, 22.06.2019 19:00
Avolleyball player hit a ball with a mass of 0.25 kg. the average acceleration of the ball is 15.5 m/s². how much force did the volleyball player apply to the ball? 62.0 n 3.87 n 62.0 m/s² 3.87 m/s²
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Chemistry, 22.06.2019 20:00
I’m an electrically neutral atomic any element, there are equal numbers of
Answers: 2
Chemistry, 23.06.2019 01:30
At a certain temperature the rate of this reaction is first order in hi with a rate constant of : 0.0632s2hig=h2g+i2g suppose a vessel contains hi at a concentration of 1.28m . calculate how long it takes for the concentration of hi to decrease to 17.0% of its initial value. you may assume no other reaction is important. round your answer to 2 significant digits.
Answers: 1
The nucleus of an atom is dense and positively charged. what was observed when positively charged pa...
Computers and Technology, 05.07.2019 02:10