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6 c. 7 d. 8 Neon, with its configuration ending in \(2s^2 2p^6\), has eight valence electrons. Share 4. Next element of the periodic table. Looking at the picture, you can see there are two electrons in shell one, eight in shell two, and eight in shell three. a)1 b)6 c)4 d)2 answer:4 can you explain this answer ? How many protons neutrons and electrons does argon have? If neutral, there would have to be 18 protons for the 18 electrons. Since Argon is a "noble gas," it already has 8 electrons, and does … For the isotope, I did Argon 40, which has 18 protons, 22 nuetrons, and 18 electrons. … * In argon we see that the orbitals are completely filled. This means that if you have 1000 atoms of 40 K, 1.2 billion years later you'll have 500, and 1.2 billion years after that you'll have 250. 548 views Verified answer. Chlorine is before argon on the periodic table, so it does not have all the electrons argon has in its ground state. Nitrogen makes up DNA both in the form of nitrogen bases and in neurotransmitters. Protons are particles in the nucleus of an atom that have a positive charge equal to +1. a. In the third shell, it holds a total of 2+6=8 electrons, so it has 8 valence electrons. 8 Argon is a noble gas with an electron configuration of [Ne]3s^2\\3p^6. Sep 10,2020 - Consider the argon atom . Lv 4. It has five electrons in its outer shell, most of its compounds are trivalent. On the periodic table, argon's atomic number is 18. So, Argon-40 would seem to be: 18 electrons which requires 18 protons and 22 neutrons. How many valence electrons does Argon (Ar) have? If I take a sample and measure an argon to potassium ratio of 83:250, I know that this sample is 2.4 billion years old. This full valence shell makes argon very stable and extremely resistant to bonding with other elements. Rate! The number of protons of an atom cannot change via any chemical reaction, so you add or subtract electrons to get the correct charge. Updated 27 days ago|12/13/2020 8:14:32 PM. If there are more electrons than a shell can hold, a new shell starts. Get an answer. Therefore the Argon electron configuration will be 1s 2 2s 2 2p 6 3s 2 3p 6. All noble gases have p orbitals (and energy layers) full of electrons. Question . It can have either 3 or 5 valence electrons, as it can bond in the 2p and 2s orbitals outside. The electron configuration of argon is 1s22s22p63s23p6. Also mention the quantum numbers of the valence electron. The real-world implications of this is that noble gases have no shareable electrons. A. argon (Ar) B. silicon (Si) C. potassium (K) D. magnesium (Mg) C. 14 D. 28 Silicon (Si) has 4 valence electrons. Ti First, we see that the electron configuration is made of the core electrons (Ar) and the valence electrons (4s23d2). Since the 3s if now full we'll move to the 3p where we'll place the remaining six electrons. Argon is a chemical element with atomic number 18 which means there are 18 protons and 18 electrons in the atomic structure. Add your answer and earn points. For example, boron (B) has an atomic number of 5, therefore it has 5 protons and 5 electrons. Answer (1 of 4): 18 protons, 18 electrons, and 22 protons. 40-18 is 22. The chemical symbol for Argon is Ar. Still have questions? How many valence electrons does boron have? There are 22 neutrons in one atom of argon. Asked 10/14/2016 9:05:18 AM. Argon's complete octet of electrons indicates full s and p subshells. Source(s): protons element argon have: https://shortly.im/cnfo3. Identify the element from the electron configuration: [Ar]4s^2 3d^2. Find more answers. It always has 18 Protons, and 18 electrons, but neutrons differ. This tells you that it has 18 protons. See answers (1) Ask for details ; Follow Report Log in to add a comment Answer 5.0 /5 2 +2 taffy927x2 and 2 others learned from this answer 10 core electrons are in argon. of -36 and -38. s. Log in for more information. For example, Argon [Atomic #18] has 8 valence electrons so it is considered to have a full M shell. Also, you know it is a noble gas, so it's valence is full. Answered on 22 May 2019. Rather like a puzzle box containing exactly the right number of pieces, argon and its five cousins does not have any subatomic shortages that need to be amended by donations from other elements, and it doesn't have any extras floating around to donate in turn. 0 0. So, it has 3 electron shells, and that will be its valence shell. 5 years ago . We are suppose to do:-An isotope of that atom-An ion of that atom, with a positive charge. Helium, neon, and argon are all noble gases located in the last group (18th group) of the periodic table. Shell number one can only hold 2 electrons, shell two can hold 8, and for the first eighteen elements shell three can hold a maximum of eight electrons. Argon Atomic Number. Since the outer shell electrons are fully filled, argon have no tendency to gain nor lose electrons. Before 1962, argon and the other noble gases were considered to be chemically inert and unable to form compounds; however, compounds of the heavier noble gases have since been synthesized. Oxygen is found in the sixth group, therefore it has six valence electrons. It's mass, 40, minus 18 (electrons) equals 22 (neutrons). 0 b. 2 Answers/Comments. Source(s): https://shrink.im/a9iuQ. New questions in Chemistry. :) … In fact, the number of valence electrons goes up by one for each step across a period until the last element is reached. The KLMN electron configuration of Argon is 2, 8, 8 each number referring to the electrons in the shells or energy levels of the atom. I am doing a project on the element Argon. Looking for something else? The electronic configuration of anions is assigned by adding electrons according to Aufbau's building up principle. Brainly User Brainly User Neutrons:22 Electrons:18 Still have questions? Because the third energy level has eight electrons and is therefore full (3s 2 3p 6) it is called a noble gas. Ask your question. There are 2 electrons on the first energy level, 8 electrons on the second level, and 8 electrons on the third energy level. 22 neutrons in an average atom of Argon. Unfortunately, I do not have the information about neutrons. A cation carries a positive charge and has more protons than electrons. Have students complete the energy level model for argon in their periodic table. OC2735150. how many protons does the element argon have? Your welcome! Neutron is 1.0086652 atomic mass units. * Electron configuration: [Ne] 3(s(2)) 3(p(6)). Argon's atomic number is 18, which means it has a total of 18 electrons, 18 protons, and 22 electrons. Argon is a noble gas with electronic configuration of [Ne] 3s2 3p6. Argon is the third-most abundant gas in the Earth’s atmosphere, at 0.934% (9340 ppmv). That means there are 18 electrons in an argon atom. Therefore, an element in a neutral state will have the same number of protons and electrons. Neutrons do not have a net electric charge, so the number of neutrons does not matter in the calculation. The atomic mass on my periodic table says 39.948, but since that's an average, i'll round to 40. More about the history and places to find argon. The protons and electrons cancel each other out because protons produce a positive charge, electrons a negative charge, and they have the same amount. As you learn about elements with more than eighteen electrons you will find that shell three can hold more than eight. How many core electrons does argon have? The electron configuration for Ca 2+ is the same as that for Argon, which has 18 electrons. Wait, I am looking it up in a reference. For the best answers, search on this site https://shorturl.im/axFwP. how many electrons in argon have m l =0 Share with your friends. | EduRev JEE Question is disucussed on EduRev Study Group by 513 JEE Students. Anonymous. * The p orbital can hold a maximum of 6 electrons. Find more answers. Only the atoms in the elements of Group or Family 18 on the Periodic Table have full outer shells. Ask your question. Electron present in the first shell (n=1) 2n^2=2(1)^2=2(1)=2 . You have 1 free answer left. A. 18 electrons, means that there are 2 in the inner orbital, 8 in the middle orbital, and 8 valence electrons. Choose one answer. How many electrons does this atom have m=1 ? 5.0 1 vote 1 vote Rate! It is mostly Argon-40; small amts. * We see that argon is a noble gas. We will abbreviate chlorine by using the neon core. Thanks Comments; Report Log in to add a comment Looking for something else? Electrons are particles that have a negative charge equal to -1. The relative atomic masses of two isotopes of an element are 15.9936 and 17.0036 amu. Note. 0 0. tremble. argon has … Unlock answer. An anion carries a negative charge and has more electrons than protons. You must recognize that the second principal energy level consists of both the \(2s\) and the \(2p\) sublevels and so the answer is three. The outer shell of most atoms is not full. Calculate (A) the number of electrons (B) number of protons (C) number of neutrons(D) mass number. How many valence electrons does silicon (Si) have? Therefore, argon has no electric charge (as with other elements). How many valence electrons does argon have? Find more answers . I'm assuming you're referring to the octet rule, which states that all elements "want" to reach 8 valence electrons. i need to know the number of protons,neutrons,and electrons the element argon has. The electrons like to be in separate shells/orbitals. 4Looking at the periodic table, which element is a non-metal? 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