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Calcium has 2, 8, 8, and 2 electrons in its shells. The particulars are here: http://en.wikipedia.org/wiki/Calcium
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How many electrons does He and Ca have in its outer shell?
Helium (He) has 2 electrons in its outer shell. Calcium (Ca) has 2 electrons in its inner shell and 8 electrons in its outer shell.
What is the atomic number for Ca?
the atomic number of Ca or calcium is 20. That gives it an electron arangement of 2,8,8,2, It has 20 protons and 20 electrons with a full valence electron shell. Hope this helps you
How how are groups related to the number of valence electrons?
In s and p blocks the number of valence electrons in an element is the same number of the group which that element belongs to. Hope this helps....
How many electrons does calcium need to gain or lose to attain a noble gas?
Calcium is in group 2 of the periodic table, meaning that it has 2 electrons in its (outer) valence shell. So it 'only' has to lose those 2 electrons from that to acquire Argon's noble gas structure Ar(2,8,8)Ca(2,8,8,2) --> Ca(2,8,8,0)2+ + 2e-
When calcium forms an ion what is its charge?
Ca has 2 electrons in its valence shell. When ionized, it transfers its 2 extra electrons to another atom in order to stabalize its outer shell. Therefore, it is losing 2 negatively charged particles and gains a charge of "2+".
How many electrons does He and Ca have in its outer shell?
Helium (He) has 2 electrons in its outer shell. Calcium (Ca) has 2 electrons in its inner shell and 8 electrons in its outer shell.
How many electrons are found in an atom of Ca?
6 electrons in Ca are core electrons: 1s2,2s2,2p6,3s2,3p6,4s2 For every complete orbital, there is a core electron. There are a total of 18 core electrons in Ca. Also, there are 2 valence electrons in Ca. The valence electrons are the electrons that are in the outmost most shell, which will be the fourth shell.
Ionic bonds form between what and what?
Ca has 2 electrons in outer shell (valence electrons) and O has six. Because of this, Ca loses 2 electrons which O gains, and Ca becomes a Ca2+ ion, and O becomes an O2- ion. These then bond to form CaO. Ca2+ + O2- → CaO
What is the Lewis dot structure for calcium?
Cl-Cr-Cl
How many electrons gained or lost for calcium?
Ca loses electrons. In general metals react in compound by losing some of their electrons, Ca is a metal.
What is the electron dot structure?
Well.. an electron dot diagram is a diagram that represents the eletrons in outer cloud layers. And heres a stupidiio anwaser "its a dot in a electron....and a diagram thingy hehehehhe." there u go two anwsers there stupidiio or SMART U CHOOSE WISELY YOUNG GRASSHOPPPER
How many electrons are in the outer shell of yhe Ca and He atoms?
Ca has 2 electrons in its outermost shell its configuration being 2, 8,8,2 or 1s2, 2s2, 2p6, 3s2 3p6, 4s2 (4s2 fills before 3d becuase of the aufbau principle) He has also got two electrons these fill the first energy level resulting in a stable arrangement. 1s2
What has 2 electrons in outer energy level?
Helium, although with its two electrons, its outer level of electrons are complete. In addition, all of the elements in family IIA, the alkaline earth metals, have two electrons in their outer energy level. They include: Be (Beryllium), Mg (Magnesium), Ca (Calcium), Sr (Strontium), Ba (Barium), and Ra (Radium).
How many electrons are in the outer shell of the Ca and He atom?
Ca has 20 so 1s22s22p63s23p64s2 so it has 2 He is 1s2 so it has 2 as well
What is the atomic number for Ca?
the atomic number of Ca or calcium is 20. That gives it an electron arangement of 2,8,8,2, It has 20 protons and 20 electrons with a full valence electron shell. Hope this helps you
How many valence electrons are found in an atom of Ca?
There are two valence electrons in Ca. To determine this write out the electronic configuration of Ca using the Principal quantum number method K L M N 2 8 8 2 as you can see the number of electrons in the outermost shell (which is the valency) is 2. Making Ca a metal and giving away its 2q outermost electrons to attain a stable electronic configuration.
How how are groups related to the number of valence electrons?
In s and p blocks the number of valence electrons in an element is the same number of the group which that element belongs to. Hope this helps....
