Orbitals/ Energy Levels
How many ELECTRONS can the first ring/orbital shell hold?
The first ring/orbital shell can hold a maximum of 2 ELECTRONS
This trend increases as you go down a column of the periodic table.
Radius
Which group all have 1 valence electron
Alkaline Metals
Which element is in the 2nd period and 2nd group?
Beryllium
What key aspect of an atom increases as you go down the periodic table
Energy Levels
How many valance electrons fill the second energy level and beyond?
Eight
What happens to coulombic attraction when the distance between a proton and electron increases?
It decreases
Which group of elements has 7 valence electrons
Halogens
Which metal melts in your hand?
Gallium
What classification of elements (metal, non-metals, or metalloids) on the periodic table has the most elements in it?
metals
How many valance electrons does the element carbon have?
4
What directions do the ionization energy and electronegativeity increase?
Which group contains elements that don't react
Nobel Gasses
Alkali metals: Li,Na etc.
What element is not part of any group?
Hydrogen
What trend involves the attraction of one atom for another atom's electrons
Electronegativity
Which is the largest group found at the center of the periodic table?
Transition Metals
What element symbol "K" represents in the periodic table?
What is atomic number of K?
Potassium
19
Metals can be malleable. What does this mean?
Can form shapes, easy to bend such as aluminum (Al) frame on the class chairs or aluminum foil, braces
What is emitted when an electron returns to a lower energy level from a higher one?
a photon
Which subatomic particle never changes?
protons
Which group or family has members like Li, Rb, K, and Fr?
Alkali Metals
Name an element that is totally non reactive
Noble Gases, Col. 18
Which group of elements contains unstable radioactive elements
Actinides