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How many electrons do calcium has?
Calcium, as an element, has 20 electrons. But when becomes an ion, it loses two electrons, becoming Ca+2. Therefore, as an ion, calcium has only 18 electrons.18
How many electrons does calcium1- have?
A Calcium ion with a -1 net charge would have 21 electrons. Calcium as a stable element has 20 electrons.
How is are the configurations of calcium and a calcium ion similar?
They are the same in that they have the same number of protons and neutrons. However, the number of electrons is different. The calcium 2+ ion has two less electrons than the normal calcium atom.
Which element has 20 protons 20 neutrons and 20 electrons?
Calcium has 20 protons and electrons. The symbol for calcium is Ca and its atomic number is 20.
What atom has the same number of electrons as in ion of calcium?
calcium forms Ca+2 ion having 18 electrons which are equal to the electrons of noble gas Argon.
Chemical with 11 protons and 10 electrons is?
The chemical element with 20 protons and 20 neutrons is Calcium(Ca). The number of protons is equal to the number of electrons, and the number of electrons is equal to the atomic number.
Indicate the number of electrons lost or gained by calcium and give the charge of the ion it forms?
loses 2 electrons to form a calcium ion with 2+ charge
Number of valence electrons calcium lose?
The calcium atom (Ca) loses two valence electrons to form a calcium ion (Ca2+).
Ca2 plus has how many electrons?
Calcium normally has 20 electrons. Because it has a plus 2 charge, it must have two less electrons. Therefore, the calcium ion has 18 electrons.
If you only know the number of electrons can you determine the element?
No; not if it is an ion. A chlorine atom, for example, has 17 protons and 17 electrons, but a chlorine ion (like when it is in sodium chloride, which is table salt) has 17 protons and 18 electrons. So, if you see an element with 18 electrons, it could be a chlorine ion, an argon atom, or a potassium ion.
Which element will produce an ion with 20 protons 20 neutrons and 18 electrons?
The ion that has 17 protons and 18 electrons is a chlorine ion. This chlorine ion also has 18 neutrons.
How does the negative ion different from an uncharged atom of the same element?
the ion has a greater number of electrons
