mjroby2009 mjroby2009

18-05-2022
Mathematics

contestada

Choose all the answers that apply.

Magnesium (Mg) has 12 protons and 12 neutrons. Magnesium has_____.

an atomic weight of 12
an atomic number of 24
12 electrons
an atomic mass of 24
5 electron shells

Respuesta :

reganhershey reganhershey

18-05-2022

Answer:

an atomic mass of 24

Step-by-step explanation:

remember the mass number is protons + neutrons

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