Interpretation: The symbol of the element that meets the following conditions should be explained.
Concept introduction: Electrons are the smallest of the three particles that make up atoms. Electrons are found in shells or orbitals that surround the nucleus of an atom. Protons and neutrons are found in the nucleus. They group together in the center of the atom. Atomic orbitals are regions of space around the nucleus of an atom where an electron is likely to be found.
a) Element has three electrons in n=3 energy level
To discuss: The symbol of the element that meets the above condition.
b) Element has two 2p electrons.
To discuss: The symbol of the element that meets the above condition.
c) Element has complete 3p sublevel
To discuss: The symbol of the element that meets the above condition.
d) Element completes 2s sublevel
To discuss: The symbol of the element that meets the above condition.
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