History of Periodic Table
Periodic Table 1
Periodic Table 2
Trends 1
Trends 2
100
The physical and chemical properties of the elements are periodic functions of their atomic numbers
What is the periodic law?
100
the s and p block elements
What is the main group elements?
100
the one element in the periodic table that is set off by itself due to its unique properties
What is hydrogen?
100
a negative ion
What is an anion?
100
defined as one half the distance between the nuclei of identical atoms that are bonded together
What is atomic radius (or bond radius)?
200
The person who organized the periodic table based on atomic numbers and not atomic mass?
What is Henry Moseley?
200
the electron configuration for elements in Group 1 and Group 2
What is group 1: ns^1 and group 2 ns^2?
200
the most reactive nonmetals
What is the halogens?
200
any process that results in the formation of an ion
What is ionization?
200
the trend for ionization energy as you move across a period
What is ionization energy increases left to right?
300
The group of elements on the periodic table that were discovered much later due to their lack of chemical reactivity
What is the noble gases?
300
the group and period where this element is found: {Ar}4s^2 4p^4
What is Period 4 and Group 16?
300
the name of the group 2 elements
What are the alkaline earth metals?
300
the type of ion whose ionic radii will decrease compared to the neutral atom.
What is cation?
300
the measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound
What is electronegativity?
400
One of the three elements that Mendeleeve predicted would be discovered and accurately predicated their properties.
What is scandium, gallium, and germanium?
400
the name of the elements that make up the d and f blocks
What is the transistion elements, lanthanides, and actinides?
400
the block of elements that contains metals, metalloids, and nonmetals
What is the p block?
400
the electron affinity value for a noble gas.
What is 0?
400
the number of valence electrons in group 15.
What is 5?
500
the three sets of elements that were discovered and added to the periodic table after Mendeleeve
What is the noble gases, the lanthanides, and actinides?
500
the harder and stronger metals of the s block with the higher metling points
What is the alkaline earth metals?
500
the elements that have properties of both metals and non-metals and include boron, silicon, germanium, arsenic, antimony, and tellurium in the p block
What are metalloids?
500
the trend across a period and the trend down a group for electronegativity
What is increase left to right across a period and decrease down a group?
500
Of Al, Mg and Cl, the element with the largest atomic radius.
What is magnesium?
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