Module #8 - Concepts Flashcards
1
Q
When atoms join…
A
They join the sharing or swapping electrons.
2
Q
Valence Electrons
A
- An atom’s chemistry is determined by the number of valence electrons.
- Atom’s in the same column of the periodic chart have the same number of valence electrons.
- For atoms in groups 1A-8A, the number of the column in which the atom is located on the periodic chart equals the number of valance electrons the atom has.
3
Q
Lewis Structure
A
- Uses dots to represent the valence electrons in an atom (electron-dot diagrams)
4
Q
Transitional Metals are found in the periodic chart…
A
In the “B” columns.
5
Q
Ozone (O3) blocks the deadly ultraviolet rays from the sun by…
A
The ultraviolet light from the sun will break the bond of the O3. The reaction will produce O2 and an O (which will bond with another O to complete the homonuclear diatomic element). This reaction will use up the energy from the light and it disappears.
6
Q
What is the fundamental difference between metals and non-metals?
A
Metals tend to give up electrons to attain the ideal electron configuration, while nonmetals tent to gain electrons to attain the ideal electron configuration.
