Classification
History
Chemical properties
Electron configuration
Periodic properties
100
Elements belonging to the same column are said to belong to this
What is a group
100
In 1929 this German chemist grouped elements together in groups of three called this
What is a triad
100
These metals are so soft they can be cut with a knife
What is an alkali metal
100
What are the four shells that electrons can fill.
What are the s,p,d, and f orbitals
100
The atomic radius is greatest here and lowest here
What is the bottom left corner and the top right corner
200
Elements in the same rows are said to belong to the same...
What is a period
200
In 1864 this English chemist developed his theory of octaves
Who is john newlands
200
This group of metals reacts vigorously with water
What is the alkali metals
200
What is the electron configuration of lithium?
What is 1s2 2s1
200
Which element is larger O or O2-
What is O2-
300
The far right portion of the periodic table consists mainly of these
What are nonmetals
300
The arrangement of the elements by john new lands was known as this law
What is the law of octaves
300
These metals produce a reaction with water that produces bubbles of hydrogen gas and a precipitate
What is an alkaline earth metal
300
All of the elements in group 2 have their final electron in this valence shell
What is the s2 electron
300
The energy required to remove an electron is this
What is the ionization energy
400
Column number two in the periodic table contains elements also known as these.
What are alkaline earth metals
400
This Russian chemist based his periodic table on chemical properties
Who is dimitri mendeleev
400
This term refers to the maximum number of elements another element can bond with
What is combining capacity
400
The term referring to the outermost shell of electrons is this
What is the valence
400
The energy involved in adding an electron is this
What is electron affinity
500
The first row of the inner transition metals which follows lanthanum is also known as this.
What is the lanthanide series or the rare-earth series
500
In 1913 Henry Moseley showed that the wavelengths of x-Ray spectra are more closely related to this periodic property
What is the atomic number
500
What is the product of potassium and water
What is potassium hydroxide and hydrogen gas
500
How many valence electrons do the metalloids contain?
What is 2
500
What is the most electronegative element and the least electronegative element
What is flourine and cesium
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