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This is how sodium appears in the periodic table.

The arrow is pointing to sodium's
11
number of neutrons.
number of valence electrons.
combined number of neutrons and protons.
combined number of electrons and protons.
Na
Sodium
22.99

User Guyja
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2 Answers

3 votes

Answer:

combined number of neutrons and protons.

Step-by-step explanation:

i jus took the test

User Xxxmatko
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2 votes

Answer:

The combined number of neutrons and protons

Step-by-step explanation:

The mass number of sodium is 22.99 which shows the number of neutrons and protons.

User Bitnine
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