Answer:
It is a model of the atom that has electrons surrounding the nucleus
Step by step explanation:
Answer:
The longer it takes to orbit the sun.
Explanation:
Answer:
6. protons, mass number from the atomic number
7. Li= ,
Answer:

Explanation:
When you form a <em>diluted solution</em> from a mother (concentrated) solution, the moles of solute are determined by the mother solution.
The main equation is:

Then, since the moles of solute is the same for both the mother solution and the diluted solution:

Substitute and solve for the molarity of the diluted solution:
