Tt's impossible to answer this without the notation.
hyuy
How many electrons does Bromine have
36 electrons
5 valence electrons.
18 electrons
Orbital notation shows how the electrons are arranged in the orbitals of the sublevels. Electron configuration shows only how many electrons are in each sublevel.
Rests
2, as indicated by its position in periodic column 2.
oxygen has 6 valence electrons as indicated by the 6A above the group oxygen is in
Orbital Notation is a way to show how many electrons are in an orbital for a given element.
hyuy
Staff lines indicated pitch.
calcium ions that has lost electrons. It will give away electrons.
Titanium with 22 electrons
Extract from the mass number (in the hyphen notation) the atomic number.
The position of notes on the lines and spaces of the staff
All notation is 'secular'. There are no religious ways of notating music. Even early notation indicated a degree of rhythm, which later became more precise.