Science 6.2 Flashcards
1
Q
Who invented dots for the outermost electrons?
A
Gilbert Lewis
2
Q
Electrons in the outermost shell of the atom
A
Valence electrons
3
Q
Lewis symbol contents
A
Element’s chemical symbol and dot for each valence electrons
4
Q
The attractive force that holds atoms together
A
Chemical bond
5
Q
States that an atom needs to share, gain, or lose electrons in order to gain maximum stability
A
Octet rule
6
Q
How many outermost electrons must an atom have for maximum stability?
A
8
7
Q
When atoms are too close together…
A
Repulsive forces dominate
8
Q
All elements per group all have the same number of dots except for…
A
Helium
9
Q
Why do atoms combine?
A
To achieve a more stable electron configuration
10
Q
Reason noble gases are not reactive
A
Already start with 8 outermost electrons, already being stable
