When a chlorine atom gains an electron, its outermost principal energy level achieves an octet. In the case of physical ionization in a fluid (gas or liquid), "ion pairs" are created by spontaneous molecule collisions, where each generated pair consists of a free electron and a positive ion. Asked by Wiki User. Sodium atoms have 11 electrons. "# A given atom, say #"chlorine"# or #"sodium"# has a given number of protons, fundamental positively charged NUCLEAR particles, which is given by #Z#, the atomic number.For #Cl#, #Z=17#; for #Na#, #Z=11#.Chlorine atoms tend to gain electrons to form negatively charged ions with 18 electrons (the difference between … Now it's time to get down to basics. Then the atom is called a positive ion. Do you like rain. O C. The atom loses 1 proton, to make a total of 36. [2] How does an atom become a positively charged ion? I'm thinking it's either B or D but im not too sure. How many electrons does Li atom lose to become an ion? chlorine atom has become an anion (AN-ı¯-on), a negatively charged ion. Under standard conditions, the element is a yellow-green gas. The neutral chlorine atom becomes the chloride ion. #"An ion is a species with an excess or deficiency of electrons. When chlorine gains an electron to become a chloride ion with a 21 charge, ... Chlorine The electron configuration of a chlorine atom is $[\mathrm{Ne}] 3 \… 00:43. The Chloride Ion. An atom that has more or fewer electrons in orbit than protons in its nucleus is called an ion.Once the electron from its valence shell has been transferred, the sodium atom will be missing an electron; it therefore will have a positive charge and become a sodium ion. … The ionic form of chlorine is called a chloride ion. The atom that has lost an electron becomes a positively charged ion (called a cation), while the atom that picks up the extra electron becomes a negatively charged ion (called an anion). Chlorine atoms gain one electron to become a chloride ion (Cl−). Metal atoms lose electrons becoming positively charged ions. how many electrons does chlorine need to gain to become an ion? See Answer. Potassium loses one electron when it reacts with chlorine. 1 2 3. Chlorine The electron configuration of a chlorine atom is$[\mathrm{Ne}] … 01:17. And because ions that have a negative charge are called anions, it’s now called the: Potassium forms ions with a positive charge. Na atom loses 1 electron and becomes Na+ ion. When it does, the sodium atom becomes a sodium ion with a charge of positive one (+1). Chlorine does not exist as an ion, perhaps you mean chloride ion. So chlorine becomes an ion with a single negative charge. The covalent radii of the main group elements are given in … Ions with a negative charge due to the gain of electrons are called anions. How does an atom of chlorine-37 become a chloride ion with a - 1 charge? However, after reaction with sodium, we have sodium chloride formed as the sodium atom gives up an electron to chlorine which accepts the electron to form the chloride anion. The atom gains 1 electron, to make a total of 21. Expert Answer 100% (2 ratings) Every atom wants to complete its octet i.e there must be eight electrons in its outermost shell. ... (such as chlorine). But on the other hand an atom is a neutral species therefore have no charge on them. Ca atom loses two electrons and becomes Ca 2+ ion. Ions can be created by chemical reactions. The process that changes a chlorine atom into a chloride ion is a reaction known as a reduction reaction. Or, it can gain electrons and become negatively charged (the number of electrons would be more than the number of protons giving it an overall negative charge). A chlorine ion contains 17 protons, ... Atom: An atom is the smalled stable structure of matter. 17 35.45 O A. • Chlorine is more chemically reactive than chloride because it is more unstable. d=D. Ions. Answer to Calculate the charge for a chlorine (CI) ion if a chlorine atom gains an electron to become an ion. Cl + e —-> Cl- To become the negatively charged chloride ion, the neutral chlorine atom needs to gain an electron from a reducing substance like sodium metal. 17 35.45 o a. the atom gains 1 electron, to make a total of 21. o b. the atom gains 1 electron, to make a total of 18. o c. the atom loses - e-eduanswers.com Use this information to w. 75% of chlorine atoms have a mass number of 35, while 25% have a mass number of 37. The atom that took the electron or 2 became a negatively charged ion. Become a member and unlock all Study Answers. Now consider the chlorine atom in sodium chloride. The sodium atom becomes a positive ion,, and the chlorine atom becomes a negative ion. Looking at Ions We've talked about ions before. An atom has an equal number of protons (+ charged) and electrons (- charged). Only one more electron is needed to achieve an octet in chlorine’s valence shell. Chlorine is a chemical element with the symbol Cl and atomic number 17. Because it has unequal numbers of protons and electrons, it’s now an ion. Now, let's consider chlorine atom, Cl: 1s 2 2s 2 2p 6 3s 2 3p 5. b. to attain a noble-gas electron configuration. This electron is transferred to a chlorine atom to form a chloride ion. a. to become ions and attract each other. The formula of this compound would therefore be KCl. 2010-12-11 15:34:00. it gains an electron. Reduction is the direct opposite of a reaction called oxidation where an atom loses or gives up an electron and is thus said to be oxidized. The electronic configuration for the chloride anion is: Wiki User Answered . 1 See answer Answer 5.0 /5 7. calipriester +9 ... 27 minutes ago There are two main isotopes of chlorine. Correct answer to the question How does an atom of chlorine-37 become a chloride ion with a -1 charge? Chlorine, as mentioned above, desperately wants an electron so it can fill its outer electron level. will it become a positively charged cation or a negatively charged anion? 8) In order to become an ion, an atom of chlorine must _____. Simultaneously, the chlorine atom, having gained an extra electron, will take on a negative charge and become a chlorine ion. There is a huge difference between a chlorine atom and a chloride ion. Eg. The neutral chlorine atom has acquired a negative charge by gaining an electron. The covalent radius of a chlorine atom, for example, is half the distance between the nuclei of the atoms in a Cl 2 molecule. It has a charge of 1 and is written Cl.When an atom of sodium donates its sole valence electron to an atom of chlorine, the result-ing positive and negative charges pull both ions tightly together, forming an ionic bond (Figure 2.4c). a) gain an electron b) form a covalent bond c) lose an electron d) form a hydrogen bond Answer: a Difficulty: Medium Learning Objective 1: LO 2.1 Describe the structure of an atom and explain how its structure functions in elements and chemical bonds. For a chlorine atom to become a chloride ion, the chlorine atom must A. gain one electron B. lose one electron C. share an electron D. lose all its electrons which one is it? A chlorine atom has an atomic number of 17. c. to become more polar ... read more How Ions Affect Your Mood Does the wind put you in a bad mood. It could be the ions in the air affecting your moods. Essentially, when atoms gain or lose electrons, they become ions. Opposite charges attract one another while similar charges repel one another. The atom gains 1 electron, to make a total of 18. How does a chlorine atom become a chloride ion? At this point, chlorine has 17 protons (17 positive charges) and 18 electrons (18 negative charges). When an atom has an unequal number of protons and electrons it is an ion. Chlorine has one of the highest electronegativity values of any of the elements which means that its electrons are held very tightly to the nucleus. O B. Ions form salts, not molecules, but they perform many important functions in nutrition. Ions consisting of only a single atom are termed atomic or monatomic ions, while two or more atoms form molecular ions or polyatomic ions. The size of an atom can be estimated by measuring the distance between adjacent atoms in a covalent compound. Chlorine undergoes reduction when it forms the chloride ion (Cl-). How to solve: How many electrons will chlorine gain or lose when it forms an ion? 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