2 сент. 2019 г. · I am a noble gas with 2 electrons.21. I am the 2nd most abundant element in the. Earth's crust and have 14 neutrons.​. 2. See answers. Ask AI.

20. HELIUM - I am a noble gas with 2 electrons. 21. SILICON - I am the 2nd most abundant element in the Earth's crust and have 14 neutrons.

I am a member of the alkaline earth metals used to make fireworks and medicines. Magnesium. I am a noble gas with 2 electrons. Helium. I am the 2nd most ...

11 дек. 2017 г. · Helium has 2 electrons.Therefore it is stable by itself. It doesnt need to give,take or share electrons. Hence helium is satisfied by itself. In ... Why is helium in group 18 even though it has only 2 valence ... - Quora Why is Helium 'He' not put on the second column (group, family) in ... What noble gas structure is formed when an atom of each of ... - Quora Do noble gases or alkali metals have more free electrons? - Quora Другие результаты с сайта www.quora.com

I am a noble gas with 2 electrons. 21. I am the 2nd most abundant element in the. Earth's crust and have 14 neutrons. 23. I am a member of the halide family ...

15 апр. 2021 г. · Write the name of noble gas having 2 electrons in its valence shell ... The noble gas having 2 electrons in its valence shell is helium.

3 июл. 2022 г. · So, the element Helium (He) has two electrons in K-shell, but is a noble gas. Q. An element ______ has two electrons in K shell, but is a noble ...

Helium is considered a noble gas despite having only two valence electrons because its electron shell is full (due to its principal quantum number "n" being ...

14 апр. 2021 г. · Helium is a noble gas in row 1 that has 2 valence electrons, glows red-orange in an electric field, and is found in the sun.