Hey!meee : -) i'm so close to being done
which of the following steps is usually done right before making a proposed explanation during the scientific method of investigation?
ask a question
construct a hypothesis
test with an experiment
do background research
i think it's c? ?

Which element in the third period would you expect to have the larger atomic radius, sodium (na) or sulfur (s)? a. sodium, because it has a higher effective nuclear charge attracting electrons in fewer energy levels. b. sodium, because it has fewer protons attracting electrons in the same energy levels. c. sulfur, because it has more protons attracting electrons in more energy levels. d. sulfur, because it has a higher effective nuclear charge attracting electrons in the same energy levels.

Esign techniques and materials that reduce the negative environmental impact of a structure are referred to as

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.