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What atom has the same number of electrons as in ion of calcium?
Wiki User
∙ 14y ago
calcium forms Ca+2 ion having 18 electrons which are equal to the electrons of noble gas Argon.
Wiki User
∙ 14y ago
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Why does calcium lose 2 electrons?
The ionic charge is +2: The atom has equal numbers of positively charged protons and negatively charged electrons. The number of protons is the same in the atom and the ion, but in the ion two negative charges have been lost, so that the ion has a net charge of +2.
What is the symbol and number of electrons in a neutral atom of boron?
The symbol of a boron atom is "B", and the number of electrons in a neutral atom is the same as the number of protons, which equals the atomic number of boron: 5.
How does the atomic number of an element compare with the number of electrons that normally surround the nucleus?
If the atom is atomically neutral (meaning that it does not hold a charge and it's not a cation or an anion), then the number of electrons and protons in an atom will be the same. If they do hold a charge (say if it is an anion), then it would have an extra electron. If it was positively charged, then an electron would be lost.
What is equal to the number of protons which is equal to the number of electrons?
Do you mean what does the number of protons equal? This is the atomic number of the element. All isotopes of an element will have the same number of protons, only the number of neutrons varies.
How many valence electrons in calcium ion?
Type your answer here... The number of valence electrons in calcium is 20, because it's almost the same thing as it's atomic number.
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 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.
How many protons and electrons does a calcium atom have?
Calcium has 20 protons, 20 electrons and 20 neutrons in its most commonly found isotope.
Is calcuim a mixture?
Only of isotopes. Calcium is an element. No mixture of chemicals can ever be a single element. The atoms of any element, such as calcium, always have the same number of protons and the same number of electrons. The number of electrons in an atom is the same as the number of protons in that atom. Different Isotopes of an element have different numbers of neutrons in the nucleus, but this doesn't change any of the chemical properties.
Why does calcium lose 2 electrons?
The ionic charge is +2: The atom has equal numbers of positively charged protons and negatively charged electrons. The number of protons is the same in the atom and the ion, but in the ion two negative charges have been lost, so that the ion has a net charge of +2.
In an atom the number of electrons must be the same as the number of?
protons, because the protons are positive and the electrons are negative so to have a neutral atom the protons and electrons must be balanced
What do you need to build a neutral atom?
The atom needs to have the same number of electrons as it has protons.
How many electrons versus protons in an atom?
The number of electrons should = the number of protons.
How do you determine the number of electrons inone atom of an element?
the number of electrons of an atom is the same as it's atomic number
How can you find he number of electrons in an atom?
in an atom of neutral charge, the number of electrons will be the same as the number of protons, or the atomic number.
How many electrons has an atom?
An atom has the same number of electrons as it does protons, and the number of protons determines what element it is.
In a neutral atom the number of electrons equals the number of what?
The number of electrons should equal the number of protons, otherwise you have an ion.
