Basics of the table
Elements on the periodic table are arranged in order of increasing...
Atomic Number
A drawing that shows the number of valence electrons around an atom
Lewis-Dot-Diagram
Atoms tend to form ions by gaining or losing ______ in order to achieve the stability of the nearest ______
Electrons and Noble Gas
The general trend for the atomic radius within a group and period
Increases down a group and decreases across a period
A measure of an atoms ability to attract electrons
Electronegativity
Elements are organized vertically in _____ and horizontally in ______
Groups and Periods
The element that has chemical properties most similar to Carbon.
A) Boron B) Nitrogen C) Oxygen D) Silicon
The electron configuration of an N3- ion
2-8
The element that forms an ion that is larger than the original atom
A) Al B) Cl C) Mg D) Na
B) Cl
The group on the periodic table that has the highest electronegativity
Group 17
Elements in the same group have similar _____ because they have the same number of _______
Chemical Properties and Valence Electrons
A new radioactive element is discovered and placed into group 16 of the periodic table. The element most likely has _____ valence electrons
6
The atom with the same electron configuration as an H- ion is ____ and has a total of _____ valence electrons
He and 2
As the elements in period 3 are considered in order of increasing atomic number, there is a general decrease in radius because the number of _____ increases while the number of _____ remains the same
The general trend in electronegativity and ionization energy as the elements in period 3 are considered from Na to Cl
Both increase
Elements in the same _____ have a different number of valence electrons but have the same number of _______
Period and Energy Levels
The Lewis-Dot-Diagram for K and Ar
K with 1 dot and Ar with 8 dots
The total number of protons and electrons in a Ni2+ ion.
28 protons and 26 electrons
How does the size of an Al atom change as it forms an ion?
A) It becomes smaller by losing 3 electrons
B) It becomes smaller by gaining 3 electrons
C) It becomes larger by losing 3 electrons
D) It becomes larger by gaining 3 electrons
A) It becomes smaller by losing 3 electrons
The electron configuration that represents an atom with the highest ionization energy
A) 2-1
B) 2-2
C) 2-8-1
D) 2-8-2
B) 2-2
The first periodic table created by ________ was organized in order of increasing ______
Dmitri Mendeleev and Atomic Mass
The Lewis-Dot-Diagram for Si and S
Si with 4 dots and S with 6 dots
The ion with the same electron configuration as an Mg2+ ion
A) Ca2+ B) Cl- C) Na+ D) S2-
C) Na+
Which list of elements is arranged in order of increasing atomic radius?
A) Li, Be, B, C
B) Sr, Ca, Mg, Be
C) Sc, Ti, V, Cr
D) F, Cl, Br, I
D) F, Cl, Br, I
Which list of elements is arranged in order of increasing electronegativity?
A) Be, Mg, Ca
B) F, Cl, Br
C) K, Ca, Sc
D) Li, Na, K
C) K, Ca, Sc