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You have an atom with 17 protons, 18 neutrons, a net charge of -1, and a mass of 3 5. How many electrons does this atom have?

User Casablanca
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1 Answer

4 votes

Answer:

it has 18 electrons

Step-by-step explanation:

You have an atom with 17 protons, 18 neutrons, a net charge of -1, and a mass of 35. How many electrons does this atom have?

atomic mass is protons + neutrons

17+18= 35 which is given

8rge of +17

neutrons are NEUTRAL and have no charge

if the species has a charge of -1, it has one more negative electron than protons

so the species has an atomic number of 17, atomic mass of 35, and a charge of -1

it has 18 electrons for -18, 17 protons for +17

-18 +17 = -1

element 17 with a -1 charge is the Cl anion