NEED ANSWER Use the periodic table to identify the element represented by each of the following electron configurations.

[He]2s2:
[Ne]3s23p5:
[Xe]6s1:
[Ar]4s23d9:

If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom

The answer to this problem is. 67

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