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Thursday 14 March 2013

Essay

What is another name for the transition metals?
* conclave B fragments
What element has the electron configuration 1s^2 2s^ 2p^6 3s^2 3p^2 ?
* Silicon
Of the elements Fe, Hg, U, and Te, which represents a representative element?
* Te
How does the blood corpuscleic radius transplant from top to bottom in a group in the periodic table?
* It tends to increase
Atomic size gener anyy _____?
* Decreases as you move from left to right across a period
Which of the hobby factors contributes to the increase in atomic size within a group in the periodic table as the atomic number increases?
* More shielding of the electrons by the highest occupied zilch level
What is the element with the highest electronegativity value?
* Fluorine
Which of the following groups consists of reactive p-block elements?
* Group 3A
What particle is emitted in alpha radiation?
* Helium nucleus
A beta particle is?
* An electron
What is the change in the atomic mickle when an atom emits a beta particle?
* Remains the same
The least(prenominal) penetrating form of radiation is?
* Alpha radiation
What is the change in atomic number when an atom emits an alpha particle?

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* Decreases by 2
What is the change in atomic mass number when an atom emits an alpha particle?
* Decreases by 4
The D block elements ar?
* Transition metals
The highest electronegativity on the periodic table is in the?
* Upper right
When an atom loses electrons it snuff its?
* A +ion with decreased radius
Neon, like all the other noble gases is?
* Most stable
Halogens gain an electron and become?
* A negative ion
Uranium has an atomic number of 92 and is therefore?
* Radioactive
Of all types of radiation Alpha radiation?
* Has the just about massIf you want to get a full essay, order it on our website: Ordercustompaper.com



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