Question

How many protons, neutrons, and electrons in Cl-?

O 17 protons; 17 electrons; 17 neutrons
O 17 protons; 16 electrons; 18 neutrons
O 16 protons; 17 electrons; 18 neutrons
O 17 protons; 18 electrons; 18 neutrons

Answer 1

hello . proton:17 electron:18 neutron :18

Step-by-step explanation:

it's obvious and you must memorise that Cl has 17 protons .

because it has one negative so electrons which are negative should be one more than protons I mean 18

neutron doesn't need to look at it here

electron shows the answer.

hope u understand

if u have any questions don't hesitate to ask.