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Determine the number of protons, number of neutrons in the nucleus:

He2 3

He2 4

Mg12 24

Na1123

Ti2248


Sagot :

ANSWER

see explanation

EXPLANATION

Determine the number of protons, number of neutrons in the nucleus:

He2 3

He2 4

Mg12 24

Na1123

Ti2248

the lower atomic number is the number of protons

the higher atomic number is neutrons + protons

so He-3 has 2 protons and (3-2=1)  neutron

he-4 2 protons and (4-2 = 2)  neutrons

Mg-24 has 12 protons and (24-12=12) neutrons

Na-23 has 11 protons and (023-11=12) neutrons

Ti-48 has 22 protons and (48-22=26) neutrons