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How do the electron arrangement differ between the alkai metals and the nobal gases?
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How can you use the word stable to explain why the alkali metals tend to lose valence electrons?
Alkali metals, have only one valence electron so they will "want" to lose it to achieve a stable electron arrangement.
Do transition metals have a simple or complex arrangement of electrons?
Transition metals have a complex arrangement of electrons.
How do the electron configurations of the transition metals differ from those of the metals in groups 1 and 2?
The elements in groups 1A and 2A have valence electrons in s-orbitals, while the elements in groups 3A-8A have valence electrons in p-orbitals.
What kinds of ions including number and charge are formed by alkali metals and halogens?
Alkali metals have one electron that is an unstable arrangement in the outer orbit so they tend to lose this electron. It becomes ions with a charge of+1. (Answer from page#111 in the Grade 9 Nelson Science Textbook)Halogens have seven electrons in the outer orbit which gain one electron in order to have a stable arrangement of electrons. It becomes ions with a charge of-1. (Answer from page#112 in the Grade 9 Nelson Science Textbook)
How does the ability to conduct heat differ between metal and nonmetals?
A metal is a chemical element that is a good conductor of both electricity and heat and forms cations and ionic bonds with non-metals. Cations are usually formed by electron loss.
Why are the alkaline-earth metals less reactive than the alkali metals?
Alkaline-earth metal have two electrons in there outer shell, so only need to lose one to form a stable electron arrangement. Alkali metals have one electron in there outer shell - so they need only lose one to form a stable electron arrangement
How do the alkali metals differ from the alkaline earth metals?
alkali metals have one valence electron, whereas alkaline earth metals have two valence electrons.
How can you use the word stable to explain why the alkali metals tend to lose valence electrons?
Alkali metals, have only one valence electron so they will "want" to lose it to achieve a stable electron arrangement.
How does the arrangement of alkali earth metals make them very reactive?
Alkalis have one electron in their valency shells. They can "lose" this electron easily, forming a cation which is strongly reactive.
How do hafnium and zirconium tetrachlorides differ in their reactions?
There is almost no difference in chemical properties between zirconium and hafnium metals or their compounds with the same nonmetal counterparts, because these two metals have the same valence electron configurations and almost the same atomic size.
Do transition metals have a simple or complex arrangement of electrons?
Transition metals have a complex arrangement of electrons.
What is the difference between alkali metal and group 2 metals?
Alkali metals have one valence electron, group 2 metals have 2.
How does the arrangement of the iron triad differ from the arrangement of coinage metal?
According to the eighth grade Physical Science textbook, the reason that they differ is because the coinage metals are arranged the way they are so stable and malleable and can be found as free elements in nature. These metals were used widely to make coins, giving them the title of the coinage metals. As for the iron triad, it differs because the elements are used in the process to create steel and other metal mixtures.
How do the electron configurations of the transition metals differ from those of the metals in groups 1 and 2?
The elements in groups 1A and 2A have valence electrons in s-orbitals, while the elements in groups 3A-8A have valence electrons in p-orbitals.
WHY is metal a good condutor of heat?
it is because of the mobile electron pool. due to this electron arrangement metal ions are so closely packed, when one end is heated the ions in that end vibrate.this results the neighbouring ions to vibrate one by one. thus thru vibration heat is carried from one end to the other. since such an arrangement is found only in metals,metals are good thermal conductors..
Ionic bonds form between what two types of elemtents?
Ionic bonds form between a metal and a non-metal and involve a share of electrons. Metals have positive charges and non-metals have negative charges (based on their valence electrons) so they are ions. i.e. Magnesium Chloride: Mg2+ + Cl- ----> MgCl2
How many valence electron does alkali metals have?
Alkali metals have one valence electron.
