A proton has a charge.
a. positive
b negative
c neutral

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?

In a ball-and-stick molecular model, what do the sticks represent?