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Not all electrons are the same age, since there are a variety of processes by which subatomic particles can change into other particles (by reason either of decay, or high energy collision with other particles). However in general, electrons formed not long after the Big Bang which was a bit less than fourteen billion years ago.
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Which subatomic particle determines reactivity?
Electrons are the subatomic particles that determine the reactivity of an element. The number of electrons in the outermost shell of an atom, known as valence electrons, determines how likely an atom is to form chemical bonds with other atoms.
What are the electrons in the outer shell?
The electrons in the outermost shell of an atom are called valence electrons. These electrons are involved in forming chemical bonds with other atoms to create molecules. The number of valence electrons influences the reactivity and chemical properties of an element.
The electrons that occupy the outermost filled shell are called?
Outer energy level electrons, or valence electron.
How many electrons do F have?
A fluorine atom has 9 electrons.
What is a inner orbiting electrons called?
Inner orbiting electrons are called core electrons. These are the electrons that are closest to the nucleus and are not involved in bonding or chemical reactions.
How many electrons does one atom of chromium have?
the answer is 24 electrons and yes im only 14 yrs old again
Does a television use magnetism?
Yes, the "old" televisions use magnetism to controll the movements of the electrons.
Which part of the atom moves arround the nucleus?
You're thinking of electrons - but that's a very old (and erroneous) description.
Why positive charges are called sources and negative are called sink?
Old (very old) tradition, when electricity was assumed to flow from positive to negative. (They hadn't figured out electrons yet.)
What is another name for outermost electrons?
Electrons in the outermost shell are valence electrons!
What are the electrons in the outmost shell of an atom called?
the electrons in the outermost shell of an atom are considered to be the valence electrons.
The outermost electrons in an atom are called?
Valence electrons
Whuch of the following are classified as an electron group?
Lone-pair electrons, Bonded pairs of electrons
How many numbers of electrons does electrons have?
8 electrons
What charge is electrons?
Electrons charge is a negative
How many electrons does the element Be have in it?
4 electrons, 2 valence electrons
How may electrons are in a chlorine atom?
Chlorine has 17 electrons. 7 of its electrons are valence electrons.
