What is the neutral atom that has its first two energy levels filled, has 7 electrons in its third energy level, and has no other electrons? Enter the name of the element, not the abbreviation. element name:

Q: Describe the arrangement of elements considering periodic law (including metals, honmetals,…

A: In the periodic table of components, there are seven even lines of components. Each of these columns…

Q: An element having an atomic number of 79 and ion charge of -1; determine the identity of the element…

A:

Q: Imagine that in another universe, atoms and elements are identical to ours, except that atoms with…

A: The assumption is based on that in another universe atoms with six valence electrons have particular…

Q: 5. Without using a periodic table or any other references, fill in the correct box in the periodic…

A: Periodic table represents the systematic arrangement of elements in which the properties of these…

Q: Two elements in period 3 are adjecent to one another in the periodic table. The ground-state atom of…

A: Condition 1 : ground-state atom of one element has only S electrons in its valence shell → The…

Q: A neutral atom of an element has two electrons with n=1,eight electrons with n=2,eight electrons…

A: Total electrons present in the neutral atom: n=1 has 2 electrons ⇒1s2n=2 has 8 electrons ⇒ 2s2,…

Q: Why does the size of an atom increase when it gains an electron? O The electron gained introduces…

A: When an atom gained an electron from other atom the electron occupy the outermost shell of that…

Q: Elements whose highest energy electron is placed to complete an S shell are O Halogens O Noble Gases…

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Q: What are three different atoms or atomic cations with 36 electrons.

A: An atom consists of fundamental particles protons, neutrons, and electrons. The protons are…

Q: Element Atomic Number Electron Configuration Number of Valence Electrons Magnetic Property lodine…

A: Atomic number of elements is the number of protons in the nucleus. Electronic configuration is the…

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

A: Valence electrons are the electrons which are present in the outermost shell of an atom.

Q: Predict the charge of the ion formed by  element and write the electron configuration of the ion. Rb

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

A: Given :-  Symbol of element = Li  To determine :  The number of electrons that Li lose to attain…

Q: Predict the charge of the ion formed by each element and write the electron configuration of the…

A: Atoms acquire charge when they loose or gain  electrons.Electrons are lost and gained by the…

Q: e nucleus plus the inner shells of electrons (non-valence) constitute the core of the atom. Core…

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Q: Fill in each line with the Chemical Symbol of the element being described: The Noble gas with the…

A: These all answers are based on periodic table .

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: An X element atom with four electrons with a value of mL each =1 its atomic number is

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Q: Which element consists of positive ions immersed in a “sea” of mobile electrons ?

A: Given : element consists of positive ions immersed in a “sea” of mobile electrons.

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

A: Find the answer below:

Q: Which element has the smallest atoms? -- P B Mg N

A: The trend of atomic radius in periodic table is as follows: Atomic radius decreases as we move from…

Q: Complete the sentences below.  If the element name is provided, complete the sentence with the…

A: Electrons are negatively charged particles. They revolve around nucleus in outermost shels of an…

Q: Which element has 8 valence electrons? Group of answer choices helium neon oxygen potassium

A: An atom is composed of mainly 3 components, electrons, protons and neutrons. Protons and neutrons…

Q: 1. the element that lost the electron/s and number of electrons it has lost 2. the element that…

A: 1) in the MgCl2 metal loose electron that is magensium. 2) chlorine will gain electron

Q: Predict the charge of the ion formed by each element and write the electron configuration of the…

A: The arrangement of electrons in electrons present in orbits of an atom is known as electronic…

Q: What is the neutral atom that has its first two energy levels filled, has 44 electrons in its third…

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

Q: Complete the following sentence: 12C and 13C are uncharged atoms with the same ___ . atomic…

A:

Q: element

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

Q: An isotope that has the atomic number 14 , atomic mass 30, and a charge of 2-. Determine the number…

A: Isotopes are two or more types of atoms that have the same atomic no. but differ in mass numbers…

Q: Predict the charge of the ion formed by each element and write the electron configuration of the…

A: The nucleus contains the protons and the neutrons whereas the energy levels contain the electrons…

Q: Predict the charge of the ion formed by each element and write the electron configuration of the…

A: The alpha-numeric representation of the distribution of the electrons in the atomic orbitals of an…

Q: An accepted abbreviation format is to write an electron configuration that includes a noble gas…

A: Arrangements of electron in subshell according to increasing order of energy .is known as electronic…

Q: State whether the elements in each group gain or lose electrons in order to achieve a noble gas…

A: To identify: Whether an element from a given group will gain or lose electrons to achieve a noble…

Q: One isotope of a metallic element has mass number 10 and has 7 neutrons in the nucleus. It forms an…

A: Atomic number of an element is equal to the number of protons. Mass number of an element is equal to…

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

A: Given options,

Q: true or false The symbols Na, Ni, and Ne all represent metallic elements.

A: In the periodic table, metals are placed at the left side while non metals are placed at right side.…

Q: Predict the charge of the ion formed by each element and write the electron configuration of the…

A: Aluminium is located in group 3A. Therefore, it needs to lose 3 electrons in order to achieve a…

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: Question attached

A:

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: What is the neutral atom that has its first two energy levels filled, has 4 electrons in its third…

A: Given: First two energy levels are completely filled. Atom is neutral. And the third energy level…

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: Complete the table below Element Atomic Number Electron Configuration Number of Valence Electrons…

A: Magnetic property - Every matter exhibits some magnetic character when placed in a strong external…

Q: Rank the following elements in order of increasing atomic size: carbon, silicon, Florine

A: We have find out atomic size.

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: For the abbreviated electron configuration for the element with 48 protons, which noble gas would…

A: Cd is the chemical symbol for the element cadmium. Its atomic number is 48 which is the number of…

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

A: The electronic configuration of any element shows the number of total electrons in every shell.

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

A: valence electrons are the electrons that are present in the outermost shell(also known as 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…