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What sub shell is being filled by electrons in these elements by scandium through zinc?
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For atoms of most elements the outer energy is filled when it has 8 electrons true or false?
true
What is the number of unpaired electrons elements in noble gas?
There are no unpaired electrons. All electron shells are filled; this is the reason they are called the noble gases.
What level is filled by krypton?
The fourth electron shell is filled by krypton. Krypton is the last element in the fourth period on the periodic table. Each of the periods represents an electron shell. Elements in the first period have electrons in the first shell; elements in the second period have electrons in the second shell; and so on.
Which is the transition metal with the smallest atomic mass in group 8?
Scandium is the smallest d-block element which in the past also made it the smallest transition metal. However, using the accepted modern definition of a transition metal: 'a transition metal is one which forms one or more stable ions which have incompletely filled d orbitals' scandium would not count as a transition metal, as it always forms 3+ ions with no d-electrons. Using this definition, the smallest transition metal would therefore be titanium.
Why are noble gases are non reactive?
They have filled valence shells. Atoms undergo chemical bonding in order to have filled valence shells by sharing electrons or transferring electrons. Because the noble gases already have filled valence shells, they have no need to react with other elements.
What are the similarities between groups 3 through 12?
These elements to transition metals. The electrons are filled in the d-orbitals. Most of the elements have unpaired electrons and hence are paramagnetic.
How many elements can the 3rd shell hold?
The 3rd shell can contain 18 electrons. The elements that have a 3rd shell as the outer shell are the the elements in period 3, where the 3s and 3p orbitals are filled to a maximum of 8 electrons. The 3d orbitals are filled in the 4th period in the transition elements.
What does chlorine do when added to other elements?
I reacts in order to get a filled valence shell of electrons.
What does the blocks represent?
For the elements in the s-block, the valence electrons are filled in the s orbital.
For atoms of most elements the outer energy is filled when it has 8 electrons true or false?
true
What are elements with 1 or 2 electrons in the outer energy level called?
Group 1: have 1 valence electrons (half filled s orbital) Group 2: have 2 valence electrons (completely filled s orbital)
What is the number of unpaired electrons elements in noble gas?
There are no unpaired electrons. All electron shells are filled; this is the reason they are called the noble gases.
Does neon comnbine with other elements?
No neon doesn't as it has completely filled valence electrons and is chemically inert.
What are the similarities between the elements in group 0 in the periodic table?
In the Period Table of the Elements, there are 18 groups, Groups 1-18.Group 0 does not exist.
What is the link between noble gas and full outer shells?
Noble gases have completely filled valence electrons. Helium has 2, other elements have 8
What level is filled by krypton?
The fourth electron shell is filled by krypton. Krypton is the last element in the fourth period on the periodic table. Each of the periods represents an electron shell. Elements in the first period have electrons in the first shell; elements in the second period have electrons in the second shell; and so on.
Which of the d-block elements are not regarded as transition metals?
Scandium and zinc (and probably those below them in their groups, but I'm uncertain of that) are not considered to be transition metals, as they do not form ions with partially filled d-subshells.
