2. Which of these best describes one of the subatomic particles that could be found at location X in the model of an atom below?

It has mass but no charge.
O It has no mass and a positive charge.
It has a large mass and a negative charge.
It has no mass and an equal number of positive and negative charges.

Select the correct answer from each drop-down menu.describe what happens to a carbon-11 atom when it undergoes positron emission.the decay of a carbon-11 atom _1_, and this causes it to emit _2_.options for 1: > changes a neutron into a proton> changes a proton into a neutron> is hit with a neutron> reconfigures its protons and neutronsoptions for 2: > a negatively charged electron-sized particle> a positively charged election-sized particle> two atoms and several neutrons> two neutrons and two protons

Nonpoint source pollution is difficult to control because it

What woukd most likely be the transmittance at a 0.70 m solution of solute a? a) 7.6%b) 1.1%c)4.0%d)4.6%