Answer the following questions about the macronutrients sodium, potassium, and chlorine. a. Is each element classifi ed as a metal, nonmetal, or metalloid? b. In which block does each element reside? c. Which element has the smallest atomic radius? d. Which element has the largest atomic radius? e. Which element has the largest ionization energy? f. Which element has the smallest ionization energy? g. How many valence electrons does each element possess?

Q: why dose higher atomic weight elements in the firsts two groups in the periodic table  r(alkaline…

A: First and second group elements are alkali and alkaline earth metals (Alkali metals- Li,…

Q: identify the follwing atoms using their symbols d.the fifth period transition metal with properties…

A: d.the fifth period transition metal with properties similar to copper = Ag   e. the group V A…

Q: Platinum is a precious metal used in a wide variety of products. Besides fi ne jewelry, platinum is…

A: Hi, since you posted questions with multiple subparts we will answer the first three questions for…

Q: BöhP's model of the structure of the hydrogen atom. More than one selection may be correct.…

A: Correct Options are,  Electrons circle around the nucleus His model was similar to our solar system…

Q: The graph at the right shows the atomic radius for the19 elements in the periodic table.(a) Describe…

A: a.The edge of an atom's orbital determines its size. Orbital boundaries, on the other hand, are…

Q: Answer each question in 5 to 10 sentences only.  1. Why are the groups in the periodic table…

A: In Periodic table , all the elements are classified as A block and B block elements. A block…

Q: hadteallsmone aniwallo srit nisloxe vitena Use the following table of ionization energies (kJ/mol)…

A: Ionization energy is nothing but the energy required to remove valence electron from outermost…

Q: Rank the elements according to their metallic character? Most metallic to Least metallic Si, C, Pb,…

A: In the periodic table, the element present at the bottom of a group has the highest metallic…

Q: Part A:  How many Valence electrons are in Si?   1   2   3   4   5   6   7   8

A: Valence electrons means electron present in outermost orbital. Thus,

Q: Examine Figure 5.1 and determine the name of the element that Mendeleev predicted before its…

A: In Mendeleev's periodic table elements are arranged according to their increasing atomic…

Q: element A? Answer questions 6 and 7 on the blank sheet of paper provided. 6. Draw the ground state…

A: Potassium is a chemical element with the symbol K and atomic number 19. Potassium (K), element of…

Q: Show the electron configuration of the following elements and underline the configuration that shows…

A:

Q: 37. Which pair of elements have the same valence electron configuration? a. sodium and argon b.…

A: Dear student ,         since you have posted multiple questions we are allowed to solve only first…

Q: The atomic radius of an element or ion is affected by the attraction between the nucleus and the…

A: A question based on periodic properties, which is to be accomplished.

Q: Answer the following questions about the macronutrients calcium, magnesium, and sulfur. a. Is each…

A: Since you have posted multiple sub-parts, the answer for first three sub-parts are given below.…

Q: normal

A: Dear student I have given answer to your question in the image format.

Q: a. What is the chemical formula for enflurane? b. Which element in enflurane has valence electrons…

A:

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: How many 3? electrons are found in each of the following elements? nickel, ?= 28 vanadium, ? = 23…

A:

Q: Which of the following of Dalton’s proposals proved to be invalid? (a) Atoms are indestructible. (b)…

A: Dalton regarded the atom as hard and indivisible. Although Dalton's atomic theory provided a sound…

Q: What are valence electrons? A( Electrons on the outermost shell) B ( electrons on the first shell) C…

A: The total number of electrons present in an atom are distributed in the various shell. This…

Q: d. What is the charge for all of the elements in Group 2? e. What is the charge for all of the…

A: d) The general electronic configuration of group 2 elements is ns2. Thus they lose two e- and form…

Q: (1) What is the valence electron configuration for the arsenic atom? (2) What is the valence…

A: The electron configuration of an element tells us how electrons are distributed in atomic orbitals.…

Q: Why does each element give off a specific color when heated? Use the Bohr model of the atom to…

A: Why does each element give off a specific color when heated? Use the Bohr model of the atom to…

Q: a) What is the chemical name of this element? b) Write the electron configuration of X'. c) Write…

A: The diagram of element “X”, that shows the electron present in different shells, is shown below. In…

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 of the following is wrong ?    A) Stable ion of the P element has -3 charge.  B) Valance…

A: Valence electrons are outermost shell electrons with highest value of 'n' principal quantum number.

Q: Assign the following element to his group, Ge

A: The substance that is made up of only one kind of atom is known as the element. Elements cant be…

Q: 2+ Write the electron configuration of Mn* using the short-hand, noble gas method.

A: Given :- symbol of an ion = Mn2+  To write :- electron configuration using short-hand, noble gas…

Q: Based on what you have just seen above, explain why the Alkali Metals are the MOST reactive metals…

A: The electrons are in the outermost shell of any element are known as valance electrons.

Q: You and your classmates have been given an electron configuration and need to identify what it is.…

A: Since, According to Aufbau law,  Electron filled in increasing order of their energy. Thus,

Q: 5. Bohr’s theory works well with hydrogen atom. However, the theory failed when atoms with two or…

A: The filling of electrons in the atomic orbitals is defined as an electronic configuration. Electrons…

Q: which four atoms have the greatest ionization energy

A: Ionisation energy:- Ionization enthalpy is the energy required to remove an electron from the…

Q: Hydrogen bromide is a compound of the two elements hydrogen and bromine. It has a melting point of…

A: Since you have asked questions with multiple subparts, we will answer only first three subparts for…

Q: 100. Identify the group of elements with these characteristics: a. This group of elements has a…

A:

Q: What pair has the larger atom or ion listed first? Al3+, Al O, O2- K+, Ca2+ N, N3- O2-, Cl-

A: Cations are formed by atoms by losing electrons; hence, the size of the cation formed is always…

Q: On the subject of the element Sulfur :    A)   How many valence electrons does Sulfur have?    B)…

A: The atomic number of sulfur element is 16

Q: This element A has a complete octet of valence electrons (i.e., has a complete outer shell). Part 4…

A:

Q: 6. Draw a diagram similar to the step ladder method done in lecture for the electronic configuration…

A: The correct answer is given below

Q: As atoms do not spontaneously lose electrons, i.e., energy is required to remove an electron from an…

A:

Q: Consider generic atoms A, Be C. It is known that the mass number of A is equal to 101, the mass…

A: The atoms which have the same number of the proton but the neutron number is different is called…

Q: Which of the following statements about the periodic table is TRUE? a. The alkaline earth metals are…

A: Note: According to our guidelines we are supposed to answer only first question.  Kindly repost…

Q: Part A: Which element has the electron configuration 1s2 2s2 2p6 3s1   Li   Be   Mg   Na Part B:…

A: Part A: Given, the electronic configuration: 1s2 2s2 2p6 3s1 Count the total number of electrons…

Q: Help

A: For Strontium, Symbol of the element is .Strontium is a ‘s’ block element.Electronic configuration…

Q: Look up the density of silicon and of lead in a table online. Then look up the atomic radius of…

A: The densities of atoms depends on the number of protons in the nucleus. The number of protons is…

Q: fluorine (F) nitrogen (N) boron (B) iodine (I) Which two elements are in the same group and would…

A: The elements which have the same number of electrons in the outermost shell (or the same number of…

Q: 4. Reconsider your energy level diagram for magnesium. Imagine adding electrons untr you reached the…

A: Since there are multiple questions, we are authorized to answer only first question, that is, no. 4.…