Answer:
Density= 1.7g/dm3
Explanation:
Applying
P×M= D×R×T
P= 2atm, Mm= 28, D=? R= 0.082, T= 400K
2×28= D×0.082×400
D= (2×28)/(0.082×400)
D= 1.7g/dm3
Answer: a rock being in one place over a long time and eventually wearing away
Explanation:
:)
Answer: j.j. Thompson didn't know at the time of the nucleus so the belief that was missing from the plum pudding model would be the nucleus.
Explanation:
Using the military as a tool was what the radical republicans used to achieve their aim of reconstruction.
<h3>What is Reconstruction?</h3>
This was an event which occurred after the American Civil War in which all the chaos were taken care of and normalcy restored to the country.
The radical republicans ensured rights of the people such as voting were protected through the use of the military force and makes option C the correct choice.
Read more about Reconstruction here brainly.com/question/24761999
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D
ionic bond is the strong attraction force between positive and negative ions.
covalent bond is non-metal atoms share electrons.
Na+ is positive and Cl- is negative
Na is metal
