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Strontium 90
Electron Configuration
Other
100
Strontium, in its non-radioactive form, was discovered in 1790 by these 2 people.
What is Adair Crawford and William Cruikshank?
100
This determines its chemical properties.
What is an Atoms Electron Configuration?
100
[18Ar] 4s2
What is Calcium?
200
Strontium was discovered in radioactive form in this time period.
What is the 1940’s?
200
This set of elements has the highest energy electron in d sublevel.
What are elements in groups 3- 12?
200
Has 4 valence electrons in the 4th energy level
What is Germanium?
300
In 2011, Strontium 90 was released into the atmosphere and contaminated nearby waters. This was known as the
What is Fukushima meltdown?
300
This is what indicates the energy level of an element?
What is the period number?
300
Name of group found with p5ending of electron configuration
What are the halogens?
400
This happens when Humans eat contaminated meats.
What is emitting radiation and effect on bone marrow which affects white blood cells?
400
This has the coefficient of 5
What is actinoids
400
[86Rn] 7s25f3
What is praseodymium?
500
Strontium 90 is also a substance that is capable of causing cancer in living tissues. This is known as
What is a carcinogen?
500
For this set of groups, P1-P6 are the endings of the electron configuration
What is 13-18?
500
Valence electrons will only be found in what sublevels?
What is s and p sublevels?