QUESTION 1 an The electron configuration of element after it acquires a charge of -1 is 1s2s²2p63s²3p6 . The element is а. О Ob. Ar Oc. K )d. Cl

Q: periodic

A: According to the question, we need to determine what does the letter 'A' represents in this periodic…

Q: A representative element (Z) forms an ion with a 2+ charge.  What is the  a)  Roman Numeral group…

A: Oxidation state or oxidation number is the number of electrons that are either gained or lose by an…

Q: Question 29 Which of the following atoms has the greatest electron affinity Ga

A: Electron affinity can be defined as amount of energy required or released when an electron is added…

Q: 13. How is the periodic table organized?

A: The periodic table consists of 7 periods and 18 groups. Periods are the horizontal rows, and groups…

Q: When two oppositely charged atoms are attracted to one another they form a ____________________.

A:

Q: 19. What is an ion?

A: Ions constitute the ionic compounds. Sodium chloride is an example of ionic compound which contains…

Q: Identify an anion. O An atom that has gained an electron. O An atom that has lost a neutron. O An…

A:

Q: # of protons Element Atomic # of Mass number # of electrons symbol number neutrons 23 51 23 77 115…

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Q: 31 P Si Ar Questions: 1. Which among these elements is the biggest? 14 18 40 15 2. Arrange the…

A: The given elements are Mg (Magnesium) , P (Phosphorus) , Si (Silicon) , Ar (Argon).

Q: Question 6 What neutral atom will be isoelectronic to 0-l? F ON Ne

A: Isoelectronic means two or more ions / atoms have same number of electrons.  1- O-1  : ( atmic…

Q: 72. State the predicted ionic charge of nonmetal ions in each of the following groups of elements.…

A: Given  Group 14 , Group 15 ,Group 16 ,Group 17 ionic charge in these group element = ?

Q: Classify each element as a halogen, noble gas or neither.  Iodine A.halogen B.noble gas…

A: Iodine, I :- Atomic number = 53 Iodine belongs to halogen family and is the heaviest stable halogen.…

Q: As you move right across a period of elements, the number of valence electrons… a. Increases b.…

A: In the periodic table, the number of periods of an element depends on the number of shells in which…

Q: B. Fill in the missing information in the table. You are not allowed to use your periodic Give 2…

A: We are given hints about elements belonging to a same group, we have to identify their group number…

Q: Question 21 The number of protons in a neutral atom is equal to the of the atom. O mass O atomic…

A: 21. Mass means weight of substance. Mass number means (no. of protons + no. of neutrons). Atomic…

Q: 21. What force holds electrons near the nucleus of the atom? A. Strong nuclear force B.…

A: From the concept of periodic trends of elements and atomic mass of elements the following questions…

Q: Part I Atomic Struwcture I. Draw four protons in the atom to the right. Label them with thecir…

A:

Q: Give the Electronic Configuration of the following number of atoms. a. Element with atomic number…

A: a. Element with atomic number of 19 Element with atomic number of 19 is Potassium (K) The electronic…

Q: Question 5 1s²2s²2p63s²3p64s²3d¹04p5 is the neutral electron configuration for the element in group…

A: electron configuration of an element is given

Q: In the periodic table of theelements, elements in a single column have the samenumber of electrons…

A: In the periodic table, the number directly below each element is its atomic number. The number above…

Q: What is the term for the elements that belong to Groups IIIB-IIB (Groups 3-12)?

A: In the modern periodic table we have eighteen groups. These groups are classified to four blocks;…

Q: Tennessine, element 117, is the most recently discovered element in the periodic table. Assuming it…

A: It is given that Tennessine is an element having an atomic number of 117 and is the recently…

Q: QUESTION 21 After Rutherford's discovery of the nucleus, Bohr developed a model of the atom in which…

A: After Rutherford's model, Bohr developed a model in which the nucleus was positively charged…

Q: QUESTION 22 After Rutherford's discovery of the nucleus, Bohr developed a model of the atom in which…

A: Atomic model is given by various scientist Rutherford atomic model Thomsan atomic model Bohr atomic…

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

A: Number of neutrons is obtained by the difference between mass number and atomic number.

Q: Identify the ion with a +4 charge that has the electron configuration given below. Type the element…

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Q: Question 9 1s 2s 2p6 Is the electron configuration for which element? A) C B Ne C Ar CI

A: We have to predict the correct element for given electronic configuration.

Q: What is the predicted charge for a P ion?

A: The element P is found in the nitrogen group of the periodic table. Hence the number of valence…

Q: Classify each element as metal, nonmetal, or metalloid. Potassium 1.nonmetal 2. Metal 3.metalloid

A: The elements of the periodic table can be classified as metals, non-metals and metalloids. Metals…

Q: how to find nuclear charge

A: Nuclear charge (Z*):   The effective nuclear charge generally denoted by (Zeff or Z*) it is the net…

Q: What are the elements in the A columns of the periodic table called a.Main group elements b.…

A:

Q: arrange the elements in order of decreasing atomic radius : Osmium, Platinum,Lead by drawing the…

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Q: QUESTION 12 Which of the following statement is/are False O As you move down a group: Atoms…

A: 12) Atomic radius:  Atomic radius measures the size of an element. Usually it is defined as the…

Q: Atomic lonization Answer these questions about the Number data table Energy (volts) (number) What is…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Which statement(s) about electrons is/are TRUE? Select all possible answers:  a They have a unique…

A: True statements:- B,C,D A) After performing an uncertainty analysis, it was found that the electron…

Q: D. List down 5 noble gases E. List down eight transition metals F. Aside from the noble gases, list…

A:

Q: QUESTION 8 The electron configuration of element after it acquires a charge of +3 an is 1s2s22p6.…

A: We know that Electronic configuration : the arrangement of electrons in energy levels around an…

Q: state the number of electrons that must be gained by the atom of the following to achive a stable…

A: atomic number of Cl - 17 electronic configuration of Cl - [Ne]3s23p5 stable electronic configuration…

Q: Determine the overall charge on particles with the subatomic makeups given. 13 protons, 14 neutrons,…

A: The charge on protons is +1, the charge on neutrons is 0, and the charge on electrons is -1. The…

Q: if the atomic mass pf potasium is 19 the location of potassium in periodic table is at a) column 1…

A: The details solution for this is provided below in step II

Q: 2321 ELECTRON DOT STRUCTURE (LEWIS ELECTRON DOT STRUCTURES) MASS # ATOMIC # ISOTOPE # OF N ВOHR…

A: Given: Table  To find: To complete the table Solution: Atomic number tells us the number of…

Q: What is/are the occurrence of the Halogens  Fluorine (F) Chlorine (Cl) Bromine (Br) Iodine (I)…

A: An atom is mainly composed of three sub-particles; electrons, protons and neutrons. These particles…

Q: D. Guide Questions 1. What are metalloids? Enumerate the elements considered to be metalloids. 2.…

A: What are metalloids

Q: What is the predicted Ionic charge for a Ba ion? How am I supposed to identify this???   Similarly,…

A: The term ionic charge refers to the electric charge carried by an ion by gaining or losing electrons…

Q: Isotopic Symbol electrons Format: X-# Element atomic # of # of # of mass Symbol number number…

A: There are different type of elements with Their different symbols. Some symbols derived from their…

Q: Fill in the blanks to complete the following table.   Row Element Name Element Symbol Atomic…

A: Element name in rows are: Row 1:  Ag is the symbol for silver, with atomic number 47. Hence, element…

Q: What is atomic structure and include the three subatomic particles, atomic number, atomic mass,…

A: By using definition and structure of atom we can define atomic number, atomic weight, anion ,cation…

Q: Question 20 Draw the energy level diagrams and electron configurations (long form) for the…

A: Let us draw the energy level diagrams and then write their electronic configuration.