Which of the following is the correct electron configuration for an oxygen atom in its neutral state? Question 10Select one: a.   1s22s22p41�22�22�4 b.   1s32s22p31�32�22�3 c.   1s22s32p31�22�32�3 d.   1s22s12p5

Q: All atoms are mostly ______ with the nucleus having a net charge of  _________.    A. empty space,…

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Q: What gets emitted when an electron relaxes from an excited state to the ground state?  A. Electrón…

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Q: Electronic configuration of Chlorine is Select one: O 1s2 2s2 2p° 3s? 3p3 O 15 2s2 2p° 3s2 3p° O 1s…

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Q: Static electricity is observed when whic part of the atom is transferred? a. Protons b. Neutrons I…

A: Static electricity is observed when electrons are transferred .  Naturally occurring static is…

Q: 12. How many protons, neutrons, and electrons are in the following? a. 1 atom of iodine-127 b. 1…

A: Since we know that  Atomic number = number of proton  Mass number = number of protons + number of…

Q: How many valence electrons are present for an atom whose electron configuration is as follows: 1s2…

A: The given electronic configuration is : 1s2 2s2 2p6 3s2 3p6 4s2 3d6

Q: How many proto Mass # of Protons Element Element Name Atomic Number # of Neutrons # of Electrons…

A: Fill the  columns with suitable number and symbol--

Q: An anion is formed when there are more _______, then there are _______ for that particular element.…

A: We have to an anion is formed when there are more _______, then there are _______ for that…

Q: 1. Sodium 2. Lithium 3. Beryllium 4. Neon_ 5. Calcium 6. 1s²2s' 7. 1s°2s°2p°. 8. 1s 2s 2p³ 9. 1s'…

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Q: What is this element? [Ne] 3s2 * a. Neon b. Magnesium C. Aluminum d. Potassium As you go farther…

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Q: Electron Configurations and the Periodic Table (Section 3-8) Indicate whether the elements…

A: Elements in the same group have similar properties because they have the same number of valence…

Q: SECTION 3: Communication 5. The development of the modern atomic theory was initiated by John Dalton…

A: Modal of Atom  by- i-Joseph J. Thomson  ii-Ernest Rutherford  iii-Neils Bohr's We need to Briefly…

Q: Identify the electrons per shell number and draw the atomic model of the following elements a.…

A: Atomic number = 13 Electronic configuration:1s22s22p63s23p1 Shell: n=1 : 2 electrons n=2: 8…

Q: Elements found in the ________ period of the periodic table, can never have more than 8 electrons

A: The total number of electrons in a shell of an atom is equal to 2n2 where ‘n’ is the principal…

Q: Which of the following is true about the atom represented by the symbol: 39 19K? This atom has:   a.…

A: Welcome to bartleby !

Q: If atom X has an atomic number of 74, it would have _____.   Select one: a. 74 protons and roughly…

A: The atomic number of a chemical element is the number of protons in the nucleus of an atom of an…

Q: Circle the best answer symbol to complete the sentence or question answer below: Use the following…

A: The Bohr model shows that the electrons in an atom travel in circular orbits around the nucleus.…

Q: When an atom in an excited state changes to the ground state it:   a. releases energy   b. gains…

A: When an atom in an excited state changes to the ground state it:

Q: Use Graph 2 to determine the percentage of parent isotopes that would remain after 2 billion. years…

A: To determine the percentage of parent isotopes remaining after 2 billion years, we can use the data…

Q: Which of the following atoms would you expect to be smallest in the follow set of elements?   A.K…

A: In the periodic table, left to right size of the atom is decreases and up to down increases. Argon…

Q: :The Greeks proposed that matter consisted of four fundamental substances اخترأحد الخيارات a. None…

A: Correct option is (A). None of the given options.

Q: Which atom below has the smallest ionization energy? a. Bromine b. Calcium c. Cesium d. Potassium…

A: Ionisation energy can be defined as:  The energy required to remove an electron from an isolated…

Q: The electron configuration of Se is:      A.    [Ar] 4s2 3d10 4P4      B.    [Kr] 5s1 4d9 5P5…

A: Electron configuration, the arrangement of electrons in orbitals around an atomic nucleus.

Q: QUESTION 18 The first scientist introduced the quantum concept that radiation is not emitted in…

A: Quantum concept that radiation is not emitted in continues amount but in discreet bundles of energy.

Q: 3.12 What is the maximum number of electrons that can be con- tained in each of the following? a. A…

A: In an atom, the electrons are arranged in different energy levels.  Based on these energy levels,…

Q: Which element does not belong with the other four? 8O 18Ar 17C l7N 53I A) O B) Ar C) Cl D) N…

A: The element  that does not belong with the other four is given below

Q: The vast majority of the ISM, both by volume and by mass, is made up of this element, found at many…

A: ISM means Interstellar medium. It consist of matter and radiation that exist between the spaces of…

Q: What is correct from multiple choice

A: Since the symbol of Hydrogen is H and not He Hence option b is correct answer

Q: What is the total number of valence electrons for Gat? valence electron(s)

A: Interpretation: We have to tell the number of valence electrons in Ga3+ .

Q: identify this element in the periodic table 200 A 84

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Q: The electron configuration of Li* resembles that of which of the following elements Oa. Berrylium…

A: Given , Ion = Li+

Q: why does the sodium atom lose an electron?

A: In this question, we will discuss about why sodium atom lose an electron.  You can see details…