Burbank 8.5A Spiral

Posljednje ažuriranje over 3 years ago

3 questions

Obavezno

Part A: How many protons, neutrons, electrons are present in atom of zinc, Zn, with a mass number of 65?

30 protons, 65 neutrons, 35 electrons

30 protons, 30 neutrons, 35 electrons

30 protons, 35 neutrons, 30 neutrons

65 protons, 30 neutrons, 35 electrons

Obavezno

You must add the number of protons and electrons together to get the number of neutrons, 65.

You must subtract the mass number from the number of protons to get the number of neutrons, 35.

You must add the number of protons and electrons to get the number of neutrons, 30.

You must subtract the mass number from the number of electrons to get the number of neutrons, 65.

Obavezno