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Based on this cell from the periodic table, which statement is true for the
element magnesium?

A. A magnesium atom contains 12 protons, and neutral magnesium
atoms contain 24 electrons.
B. A magnesium atom contains 12 protons, and most magnesium
atoms contain 12 neutrons.
C. The atomic number of magnesium is 24.3, and its atomic mass is
12
D. The atomic number of magnesium is 12, and its average atomic
mass is 12

Based On This Cell From The Periodic Table Which Statement Is True For The Element Magnesium A A Magnesium Atom Contains 12 Protons And Neutral Magnesium Atoms class=

Sagot :

Answer: B

Explanation:

The top number is its atomic number, also known as the number of protons in the atom.

The bottom number is the atomic mass, which is the sum of the number of protons and neutrons.

Based on this cell from the periodic table C. The atomic number of magnesium is 24.3, and its atomic mass is 12 is true

What is atomic and mass number ?

Upper part represents mass number which is sum of protons and neutrons

Lower part represents atomic number which is number of electron

number of electrons are equal in number of protons for a neutral atom and

from image it can be concluded that correct answer will be

C. The atomic number of magnesium is 24.3, and its atomic mass is

12

learn more about atomic number and mass number :

https://brainly.com/question/6756982?referrer=searchResults

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