Chemistry Flashcards
1
Q
the valence electron of an element are represented by?
A
lewis electron dot symbol
2
Q
the lewis electron dot symbol was proposed by?
A
gilbert lewis an american scienties in 1911
3
Q
the noble gases ( group 18 or 8A) are known to be the most stable atoms. they are ?
A
chemically inert
4
Q
An element must gain, lose or share electrons to attain eight electrons in its valence shell during chemical bonding ?
A
octet rule
5
Q
represents the nucleus or the atom and the inner electrons that do not participate in bonding
A
element symbol
6
Q
around the chemical symbol represents the number of valence electrons
A
the number of dots
7
Q
all _ have ns^2 np^6 in their valence shells where in n is the principle quantum number
A
noble gases
