Answer: Option (c) is the correct answer.
Explanation:
A physical model is defined as a model which represents how atoms are bonded together and structure of a molecule.
Physical model shows the three dimensional structure of a molecule. Physical models helps to easily understand and visualize the configuration, single bonds, double bonds and total atoms within a molecule.
Thus, we can conclude that given structure of carbonic acid best describes a physical model.
<span>How many grams of a stock solution that is 87.5 percent H2SO4 by mass would be needed to make 275 grams of a 55.0 percent by mass solution?
</span>.87 x M1 = .355 x 200
M1 = 81.61 g of the stock solution is needed.
Answer:
An electron in the first shell has more energy than an electron in the second shell.
Explanation:
Answer:
D
Explanation:
If I am not mistaken the unit is Joules which is a unit of Energy.