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How many electrons are lost or gained in the element Ca as it changes into simple ions?
Wiki User
∙ 14y ago
You already gave the answer yourself. You see, ions don't change the number of protons and neutrons of an atom. It only changes the number of electrons. Ca originally has 20 electrons, protons, and neutrons. If it becomes ionic; two of the electrons disappear, but the amount of protons and neutrons are still the same. Now since the two electrons disappear, you place a "2" behind the letters "Ca". And now because the amount of negativily charged particles (electrons) are less than positively charged particles (protons), the atom becomes positive! Hence the plus sign after the number "2"?
So the answer to your questions is 20. The only time the amount of protons and neutrons can change in an atom, is by the process of nuclear fission or fusion.
Wiki User
∙ 6y ago
Wiki User
∙ 14y agoCa, calcium, has two electrons in its outer shell. When forming an ion, those two electrons are lost, and an ion with a charge of +2 is formed. The equation for this is: Ca --> Ca2+ + 2e-
Wiki User
∙ 12y agoloses two electrons
Wiki User
∙ 13y agoit will lose 2 electrons
Wiki User
∙ 13y ago2 electrons lost to go to the calcium ion
Wiki User
∙ 12y agolose 2
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How many electrons form ionic bonds?
This depends on the elemnts involved. The simple model of electron transfer to create octets is useful. In a cation with a charge of +1 one electron is lost, +2 two electrons etc. For anions when the charge is -1 one electron is gained, -2 two electrons gaine etc.
Has 2 electrons in the first shell 8 in the second and 6 in the third?
That is a total of 16 electrons. Assuming that this is a neutral atom, the number of electrons = the number of protons. Therefore, this atom has 16 protons, which is its atomic number. The element with atomic number 16 is sulfur.
What is oxydation?
Oxidation is the loss of electrons. Plain and simple.
What element is gold jewelry made of?
This answer is fairly simple. The element of which you speak...in gold jewelry...is gold.
What are the ionic compound properties?
The properties of an ionic compound are simple. My science teacher put it in a way that was easy to understand. An ionic bond is when an element gives up one or more electrons to another atom so that they will both have a maximum of 8 valence electrons. A covalent bond is when the two atoms share electron clouds and share 8 valence electrons. Co- sharing Valent- valence.
What is the difference between oxidation and reduction?
AnswerOIL RIG is the simple answer for REDOX. It shows that oxidation is loss of electrons while reduction is the gain of electrons. It is also that they both occur simultaneously, this is a couple reaction where the electrons lost by a reductant has to be gained by an oxidant. Oxidation is also the increase in oxidation number of the element being acted upon and reduction results in the decrease of the oxidation number on the element being reduced.
How can you determine the number of electrons in an element from the Periodic Table?
Well, to keep it simple, the number of electrons is usually the number of protons in the element, which is the atomic number. For instance, hydrogen has 1 proton and 1 electron, while Lead, Pb, has 82 protons and electrons. This is, of course, when the elements are naturally occuring. There are isotopes for elements which change the number of protons or electrons, thus changing the charge.
The chemistry of life is centered on the chemistry of the element oxygen?
It is not base on Oxygen, it is based of Carbon. Why? A simple answer, is because Carbon can bond with many other compounds and elements since it has 4 valence electrons. Oxygen has 6 valence electrons.
How many electrons form ionic bonds?
This depends on the elemnts involved. The simple model of electron transfer to create octets is useful. In a cation with a charge of +1 one electron is lost, +2 two electrons etc. For anions when the charge is -1 one electron is gained, -2 two electrons gaine etc.
What element utilized a pair of electrons to form a covalent bond?
Mostly Nitrogen (having three simple covalent bonds) uses its lone pair of electrons to form the 4th covalent bond (actually coordinate covalent or dative bond).
Why are electrons not included in the atomic mass of an element?
They usually are, in fact. However, the combined weight of the electrons in an element makes up less than 0.03%, which means any value that includes them has too many decimal values below 1 to be used in everyday simple chemistry, and overcomplicates basic chemistry (such as that in high schools).
Describe the path electrons take in a simple flashlight circuit?
Describe the path electrons take in a simple flahlight circuit.
Has 2 electrons in the first shell 8 in the second and 6 in the third?
That is a total of 16 electrons. Assuming that this is a neutral atom, the number of electrons = the number of protons. Therefore, this atom has 16 protons, which is its atomic number. The element with atomic number 16 is sulfur.
What is an atom called when it no longer has a neutral charge?
An atom with no electric charge will be called a neutral atom. In a neutral atom, there is a balance of charges, and the number of protons will be equal to the number of electrons. It's really that simple. Compare this to atoms that have an imbalance of charges. These atoms are called ions.
Explain the role of an element's electrons in determining its chemical reactivity?
Electrons differ in the amount of energy they have and how tightly they are held by the protons in the nucleus. Based on these properties, chemists describe an atom's electrons as belonging to certain energy levels. Usually it is the electrons in the highest energy level of an atom that determine how that atom reacts.
How is an atom given a neg charge?
In simple terms, an atom is made up of Protons, Neutrons, and Electrons. Protons have positive charge (+1), Neutrons have no charge (0), and Electrons have negative charge (-1). If an atom gains or loses Electrons, it's net charge changes. To result in a negative charge, the atom must have more Electrons than Protons.
Smallest form of a element?
This simple form of a chemical element is the atom.
