Answer:
For number 2, your answer is C.
Explanation:
The nucleus is positively charged because the proton is positive and a neutron is neutral. An electron has a negative charge.
Answer: ( C ) IBr3
Explanation: Iodine tribromide formula is IBr3
***If you found my answer helpful, please give me the brainliest, please give a nice rating, and the thanks ( heart icon :) ***
<span>Analytic chemistry because he is comparing to types of refined gasoline. </span>
Examples of carbohydrates: <span><span>glucose (monosaccharide) and </span><span>fructose (monosaccharide)
Examples of lipids: fats and steroids
Source credit:
</span></span>http://examples.yourdictionary.com/examples-of-lipids.html
https://www.thoughtco.com/examples-of-carbohydrates-603884
It dramatically changed the way atoms were viewed since it proved that the nucleas existed(previously, they thought that the medium itself was positively charged), it actually helped MAKE the modern atomic structure, the electron cloud model.
