Use the model of an atom to answer the question. The identity of the element shown in the model above is determined by the number of -
of energy levels.
G. positive charges.
H. particles in the nucleus.
J. valence electrons.

positive charges.

Step-by-step explanation:

amount of Protons determine the element.

J

Step-by-step explanation:

hope this helps

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.

17.08

correct me if i am wrong.