Electrons orbit the atom's nucleus in energy levels. This table shows the ... 1. Molybdenum, 42, 42, 54, 5, 2, 8, 18, 13, 1. Technetium, 43, 43, 55, 5, 2, 8, 18 ...

The elements that have only one electron in their highest energy 's' orbital in their ground state are Hydrogen (H), Lithium (Li), Sodium (Na), Potassium (K), ...

29 сент. 2021 г. · The group of elements with only one electron in the outermost energy level is known as the Alkali Metals. They belong to Group 1A (or IA) of the ... What element has 1 proton and 0 neutrons and electrons? Many elements have 1 valence electron like Cr, Cu, Nb ... - Quora Which element has the atomic number 1? - Quora What type of atom has 1 proton, 1 neutron, and 8 electrons? Другие результаты с сайта www.quora.com

All the Group 1 elements – lithium (Li), sodium (Na), potassium (K), rubidium (Rb), caesium (Cs) and francium (Fr) – have one electron in the outer shell.

Hydrogen ( ‍ ), lithium ( ‍ ), and sodium ( ‍ ), as group 1 elements, have just one electron in their outermost shells. They are unstable as single atoms, but ...

15 мая 2023 г. · Element A with 1 electron in its first shell is hydrogen, and element B with 7 electrons in its third shell is chlorine.

9 февр. 2021 г. · Tritium is a hydrogen isotope consisting of one proton, two neutrons and one electron. It is radioactive, with a half-life of 12.32 years.

18 авг. 2021 г. · Hydrogen has 1 electron in the first shell (so one valence electron). Helium has 2 electrons --- both in the first shell (so two valence ...

Group 1 elements have just one valence electron. Hydrogen, lithium, and sodium, as group 1 elements, have just one electron in their outermost shells.