The first energy level can contain 2 electrons.
The second energy level can contain 8 electrons.
The third energy level can contain 18 electrons.
1st, 2nd and 3rd shell can have a maximum of 2, 8 and 18 electrons.
The electron. It is found within energy levels called orbits. They are denoted by K,L,M,N,O,......
Gallium is the element has three electrons in energy level n = 4.
Three (3) electrons in this energy level.
Protons, Neutrons, and Electrons. Protons and Neutrons are found in the nucleus of an atom, and collectively called 'nucleons'. Electrons are found outside the nucleus, in energy shells.
Chloride is an ion, not an atom. It has 18 electrons which are 2, 8, 8 in the first three quantum levels respectively.
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The electron. It is found within energy levels called orbits. They are denoted by K,L,M,N,O,......
2, 8, 8
Gallium is the element has three electrons in energy level n = 4.
Three (3) electrons in this energy level.
oxygen, sulphur and selenium
is the electron cloud
Protons, Neutrons, and Electrons. Protons and Neutrons are found in the nucleus of an atom, and collectively called 'nucleons'. Electrons are found outside the nucleus, in energy shells.
the first energy levels hold 2, 8, and 18 a total of 28 electrons
What has three energy levels and six valence electrons
What has three energy levels and six valence electrons
A boron atom has three electrons in its second energy level.