Fluorine, F, has the atomic number 9. Atomic number is the number of protons, so fluorine atoms have 9 protons in their nuclei. In a neutral atom, the number of protons and electrons are equal. So a neutral F atom will have 9 electrons.
Well if I'm not mistaking, which I might be. It has 55 protons and I'm not positive on electrons but I would guess 55 also
All these are sub atomic particles or building blocks of atoms and finally matter.
Cl and F
In NaF, there exists Na+ and F- ions and with the electron configuration of [He]2s22p6 (for Na+) and [He]2s22p6 (for F-)
The electron configuration of fluorine is 1s2 2s2 2p5.
An electron.
A electron cloud, a electron, protron,neutron,and the nucleus
the electron is the smallest in terms of mass. 9.11E-31kg/electron 1.67E-27kg/neutron 1.67E-27kg/proton
Well if I'm not mistaking, which I might be. It has 55 protons and I'm not positive on electrons but I would guess 55 also
A proton has a mass over 1,800 times that of an electron (taken from this already-asked question: http://wiki.answers.com/Q/Is_a_proton_or_electron_heavier)
All these are sub atomic particles or building blocks of atoms and finally matter.
Electrons don't decay, so you probably mean a neutron emitting an electron and becoming a proton? If so, the new atom would be Oxygen.
2 protons, 2 neutrons
Positive.
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nucleus
3 Lone pairs and one unpaired electron