Ions
Valence Electrons
Ionization Energy
Atomic Radius
Electronegativity
100
an atom with a positive or negative charge
What is an ion?
100
valence electron
What is an electron in the highest (or outside) energy level?
100
define ionization energy
What is energy needed to remove electrons from an atom?
100
define atomic radius
What is half the distance between the nuclei of two atoms of the same element when the atoms are joined?
100
define electronegativity
What is the ability of an atom to attract electrons?
200
Positively charged ion
What is a cation?
200
These elements have 1 valence electron
What is Hydrogen/Lithium/Sodium/Potassium/Rubidium/Cesium?
200
directions in which ionization energy increases
What are right and up?
200
direction in which atomic radius increases
What are left and down?
200
directions in which electronegativity increases
What are right and up?
300
Atoms must do this to become anions
What is gaining electrons?
300
This element have 5 valence electrons
What is Nitrogen/Phosphorus/Astatine/Antimony/Bismuth?
300
Which is has highest ionization energy: chlorine, bromine, lithium?
What is chlorine?
300
Which has the largest atomic radius: Phosphorus, Gallium, or Tungsten?
What is Tungsten?
300
The most electronegative element
What is fluorine?
400
These ions are always bigger than the atom they were made from
What is an anion?
400
the reason sodium gives away its valence electron
What is trying to have a noble gas configuration?
400
Which has the lowest ionization energy: beryllium, iron, potassium?
What is potassium?
400
Atomic radius decreases across a period due to this
What is increasing effective nuclear charge?
400
Least electronegative element: Sodium, Carbon, Sulfur
What is sodium?
500
Ion size increases (ions get bigger) in this direction
What is down? OR What is left?
500
How can valence electrons in the transition elements be determined?
What is writing an electron configuration, and knowing that the d and following s orbital can act as valence"?
500
Give one reason ionization energy increases in the periodic table.
What is "shorter distances between electron and nucleus", "electronegativity"?
500
Give one reason atomic radius increases in the periodic table.
Increase in the number of main energy levels
500
Give one reason electronegativity increases in the periodic table.
What is atoms want 8 electrons (octet rule)?
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