Question

Write the distribution of electron in calcium and magnesium atom

Answer 1

Answer:

Calcium (Ca) When we write the configuration we'll put all 20 electrons in orbitals around the nucleus of the Calcium atom. In writing the electron configuration for Calcium the first two electrons will go in the 1s orbital. ... Therefore the Calcium electron configuration will be 1s22s22p63s23p64s2.

So... for the element of MAGNESIUM, you already know that the atomic number tells you the number of electrons. That means there are 12 electrons in a magnesium atom. Looking at the picture, you can see there are two electrons in shell one, eight in shell two, and two more in shell three.

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