Vocabulary
A horizontal row in the periodic table
What is a period
The lowest electronegativity
s1
Name two elements in the same period as phosphorous
Na, Mg, Al, Si, S, Cl, Ar (any two)
Is the 1st, 2nd, or 3rd electron the hardest to remove from a Group 2 element?
3rd
What is the charge of a cation?
Positive
When Li forms an ion, are electrons lost or gained, how many, and to or from which orbital
Lost, 1, 2s
How many valence electrons does K have
1
A vertical column in the periodic table
What is a group
The highest electronegativity
s2p5
Name two elements with similar properties as Mg
Be, Ca, Sr, Ba, Ra (any two)
Sort Ba, Cs, I, Se, and Xe by increasing atomic size
Se, I, Xe, Ba, Cs
What is the charge of an anion?
Negative
When I forms an ion, are electrons lost or gained, how many, and to or from which orbital
Gained, 1, 5p
How many valence electrons does Xe have
8
Type of element that is a good conductor of heat and electricity
What is a metal
The lowest ionization energy
s1
What does each period in the periodic table corresponds to?
Principal energy level or shell
Sort Ba, Cl, Fr, P, and Sb by decreasing ionization energy
Cl, P, Sb, Ba, Fr
What is the usual ionic charge of Na
+1
When Al forms an ion, are electrons lost or gained, how many, and to or from which orbital
Lost, 3, 3p
How many valence electrons does Ba have
2
Type of element characterized by the presence of electrons in the “d” orbital
What is a transition metals
The highest ionization energy
s2p6
How are the elements in the modern periodic table sorted?
Atomic number
Sort Cs, Kr, Po, Sr, and Te by increasing electronegativity
Kr, Cs, Sr, Po, Te
What is the usual ionic charge of Cl
-1
What is the electron configuration for S ion
[Ne] 3s2 3p6
How many valence electrons does Br have
7
Type of element characterized by the presence of electrons in the “f” orbital
What is an inner transition metals
The smallest atomic radius
s2p5
Who arranged the elements in the periodic table by atomic mass?
Dmitri Mendeleev
Which is smaller in size – I or Xe
I
What is the usual ionic charge of Sr
+2
What is the electron configuration for Se
[Ar] 4s2 3d10 4p4
How many valence electrons does Al have
3