WebSodium donates one electron to chlorine, forming a sodium ion (Na +) and a chlorine ion (Cl −). Each ion thus attains a closed outer shell of electrons and takes on a spherical shape. In addition to having filled shells and a … WebMolecules are the simplest unit of a covalent compound, and molecules can be represented in many different ways. Atoms are the smallest units of matter that still retain the fundamental chemical properties of an element. Much of the study of chemistry, however, involves looking at what happens when atoms combine with other atoms to form …

1.12: Ions - Losing and Gaining Electrons - Chemistry LibreTexts

Weband so 11 electrons. 2 electrons occupy the first shell; 8 electrons occupy the second shell; 1 electron occupies the third shell; This electron arrangement can be written as 2.8.1 (each dot ... WebFor this sodium ion, the electronic configuration that matches this electron arrangement is answer (D), 2, 8, meaning there are two electrons in the first shell and eight in the second shell. A tempting yet incorrect answer is answer (C), 2, 8, 1. This is the electronic … can a handyman install recessed lighting

How Many Valence Electrons Does Sodium Have?

WebAs shown, helium has a complete outer electron shell, with two electrons filling its first and only shell. Similarly, neon has a complete outer 2n shell containing eight electrons. In … Web12 okt. 2024 · On the right, the sodium ion only has 10 electrons and a 1+ charge. In this case, the ion has the same outermost shell as the original atom, but now that shell has eight electrons in it. How many electron shells or energy levels does sodium Na have? Sodium has 11 electrons. The first two fill the innermost energy level. can a handyman replace a toilet