Which of the following can be explained by. the nuclear model of the atom? Select all
correct answers.

How many atoms of oxygen are contained in 160 grams of n2o3

Why is nh3 classified as a polar molecule

In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i