Elements whose highest energy electron is placed to complete an S shell are O Halogens O Noble Gases Group 2 Elements Transition Elements

Q: Predict the number of valence electrons in an atom of:a. calcium c. cesiumb. potassium d. barium

A: (a) Calcium  Atomic number (Z) = 20  Electronic configuration : [Ar] 4s2  Valence electrons = 2 (b)…

Q: Write the electron configuration of the following elements: • Arsenic • Chlorine (with a charge of…

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Q: Complete ALL boxes in the table below. Number Number Number Number of Chemical name of valence…

A: NOTE: please note according to our policy , we can only answer first three subparts of a question.…

Q: Write the valence electron configuration for each of the following:a. halogens            b. Group…

A: A statement describing the populations of electronic energy sublevels of an atom. See the chart of…

Q: E. Write the full and condensed electron configurations for the following elements: 1. Gallium 2.…

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Q: Choose the statement below that is TRUE for an element whose valence shell electron configuration is…

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Q: Which of the following atoms has the most negative electron affinity? Select an answer and submit.…

A: Electron affinity is the energy released on addition of electron to valence shell of isolated…

Q: An atom has electrons that fills up the shells from n=1 until n=3. What is the maximum number of…

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Q: What are the categories in the periodictable? (Metals, non-metals, noble gasses)

A: Categories in the periodic table are : 1). Metal :  Metal are lustrous materials which are good…

Q: Write the full and condensed electron configurations for the following elements: 1. Gallium 2.…

A: The total number of electrons in an element is equal to the atomic number. First write the full…

Q: hter the number of electrons in each energy level (shell) for each of the elements. If the energy…

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Q: What is the number of ee distant pairs in an atom with 32 electrons? O a. 1493 O b. 496 O c. 512 O…

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Q: An atomic cation with a charge of +1 has the following electron configuration: [Ne] 3s

A: Electronic configuration refers to the systematic arrangement of electrons in the various shells and…

Q: What is the MAXIMUM number of electrons that can be contained in the 5th shell of an atom? (not…

A: The long form of the periodic table is a tabular arrangement of all known elements. Here the…

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: An atom with a total of _______ electrons is most likely to become an anion. 10 9 11 7

A: When an atom looses electron it gets positive charge. This negatively charged ion is called cation.…

Q: What element has 6 electrons in its highest energy shell? O Magnesium Oxygen Nitrogen O Aluminum

A: Here we are asked which element has 6 electrons in its highest energyshell from the given options.

Q: Metals lose electrons under certain conditions to attain a noble gas electron configuration. How…

A: The atomic number of calcium is 20. The calcium atom contains 20 electrons. The electronic…

Q: Which of the elements listed below would have atoms with the lowest ionization energy? * O Lithium O…

A: Ionization energy of an element is the amount of energy required to eject an electron from its outer…

Q: Which of the following families from the periodic table are also groups? Select all that apply.…

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Q: Nonmetals gain electrons under certain conditions to attain a noble gas electron configuration. How…

A: given element - sulphur atomic number = 16

Q: Which of the following statements is incorrect regarding atomic and ionic radius? O Cations are…

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Q: Which family in the periodic table has the following general electron configuration, [NG] ns2np4,…

A: The general electronic configuration of the elements falling in oxygen family is [NG]ns2np4. The…

Q: 3. According to the general trend in electron affinities, which group (or family) of elements tend…

A: Electron affinity is defined as energy released when an electron is added to a neutral atom in…

Q: Write the following full and noble gas electron configurations:   As Cr Br Sr

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Q: Metals lose electrons under certain conditions to attain a noble gas electron configuration. How…

A: Metal looses electrons to attain Nobel gas configuration which is most nearer to it and thus form…

Q: A certain atom has a [noble gas]5s24d105p4 electron configuration. Which element is it? A)Hg B)Sm…

A: As we know that the electrons are arranged according to their energy levels around the nucleus. And…

Q: of the same element must have different numbers of neutrons. isotopes O electron orbitals Ovalences…

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Q: What statement is false about the element magnesium. O Magnesium forms a +1 ion. O Magnesium has 2…

A: Atomic number of Magnesium is 12  Symbol of Magnesium is Mg

Q: element

A: Valance electrons is the number of electrons in the outermost shell that means in simple way…

Q: Why are the electron affinities of noble gases highly positive? The outer electrons of noble gases…

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Q: What is the charge of the ion most commonly formed by S?a) 2+                          b) +…

A: Given: Common charge of sulfur

Q: Identify the group number corresponding to each of the following families of elements. alkali…

A: In the modern periodic table, there are seven-period and eighteen groups. In a group, the electronic…

Q: In the following elements, has the highest ionization energy. O helium O potassium O argon O sodium

A: There are many factors which control the value of ionization energy. These are-  (1) electronic…

Q: An atom has two valence electrons, but four shells. This element is a member of which group or…

A: Given options,

Q: Enter the number of electrons in each energy level (shell) for each of the elements. If the energy…

A: The number of electrons in the energy levels of the atom can be determined on the basis of their…

Q: Mg: n = 1 n = 2 n = 3 n = 4

A: Enter the number of electrons in each energy level (shell) for each of the elements -

Q: What is the atomic number of an ion with a -2 charge when it has 18 electrons? a)40 b)18 c)20…

A: Introduction :  We have to tell the atomic number . Atomic number is sum of electron and protons .

Q: For each element, give the following information: [1] total number of electrons; [2] group number;…

A: TO FIND : 1)   TOTAL NO. OF ELECTRONS  2)    GROUP NUMBER 3) NUMBER OF VALENCE ELECTRONS  4)  PERIOD…

Q: Metals tend to gain electrons becoming positively charged cations

A: A positively charged cation is formed when an atom loses electrons. A negatively charged anion is…

Q: Enter the number of electrons in each energy level (shell) for each of the elements. If the energy…

A: Enter the number of electrons in each energy level (shell) for Hydrogen element.,

Q: A certain neutral element has 2 electrons in the first level, 8 electrons in the second level, 18…

A: The atomic is the number of proton present in that atom . For the neutral atom the number of…

Q: An element in the third period of the periodic table looses 2 electrons to be isoelectronic (same…

A: If two species contain equal number of electrons ,then they are called isoelectronic species.

Q: A neutral atom has two electrons with n = 1, eight electrons with n= 2, and seven electrons with n =…

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Q: An atomic anlon with a charge of -1 has the following electron configuration: 4 1s 25 2p°3s 3p

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Q: Which one is true about filling of shells with electrons around the nucleus? O The shell with n = 2…

A: A shell in an atom is defined as a group of atomic orbitals around the atomic nucleus.  Each shell…

Q: On the Periodic Table, what do all the atoms in a specific column ( group) have in common? O number…

A: The vertical columns in the periodic table are referred as group.  There 18 groups in the modern…

Q: What is the atomic number of an ion with a -2 charge when it has 18 electrons O A. 20 В. 16 О С. 24…

A: Atomic number is defined as the number of protons in a nucleus of any atom. It uniquely identify the…

Q: Determine the number of valence electrons for each of the atoms. Enter each answer as a numeral. For…

A: Valence electrons define total number of electrons present in outermost shell That is participate in…