1. the atomic number of an element is the total number of which particles in the
nucleus? (1 point).
neutrons
protons
electrons
protons and electrons

2. all atoms of the same element have the same (1 point)
a. number of neutrons
b. number of protons
c. mass numbers
d. mass

3. isotopes of the same element have different (1 point)
a. positions on the periodic table
b. chemical behavior
c. atomic numbers
d. mass numbers

To find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? a) when more work was done, the couch was moved the same distance. b) when more work was done, the couch was moved less. c) when more work was done, the couch was moved further. d) when more work was done, the couch wasn't moved at all.