4.74 Which statements completed with a-d will be true and which will be false? An atom of Pb compared to an atom of C has a larger (greater) a. number of neutrons c. atomic size b. ionization energy d. metallic character

Q: Identify the element that fi ts each description. a. an alkali metal in period 6 b. a transition…

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

Q: The table below lists the subatomic particles for three atoms: 1, 2, and 3. Which statement is…

A: Examine the number of protons electrons and neutrons for each atom

Q: What is the proper ranking of the following atoms (He, Li, Be, C, Na) in terms of atomic size? A.…

A: Atomic size depends on the effective nuclear charge of the elements, as effective nuclear charge…

Q: How many valence electrons does each of the following atoms have? a. titanium, Z = 22 b. iodine, Z =…

A: The number of electrons present in the outermost shell of an atom is known as valence electrons. The…

Q: Which element has 71 neutrons? a) 222Rn b) 146Nd c) 159Sm d) 140Ce e) 121Sn

A: We can find neutrons by subtracting number of protons form mass number.  No.of neutrons=mass…

Q: 16. How many neutrons does the Cl atom have? a) 11 b) 10 c) 7 d) 12

A: The question asked for the number of neutrons in a chlorine atom. To answer this, we need to know…

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: Match the correct isotope pairs: Atom A (5 protons, 5 neutrons, 5 electrons) Atom B (6 protons, 6…

A: Two or more forms of the same element that contain equal numbers of protons but different numbers of…

Q: Atomic Radius decreases as you move left to right even though there are additional protons ,neutrons…

A: Atomic radius decreases as you move left to right even though there are additional protons, neutrons…

Q: 6. Protons ____ Neutrons____ Electrons____ Atomic mass____ Atomic number____ Element symbol____…

A: the atomic representation  6. Protons 8, atomic mass 16, neutron 8, atomic number 8, electrons 7…

Q: 3. Write the SHORTHAND ELECTRON CONFIGURATION for each of the following. a) a selenium atom (34Se)…

A:

Q: 4. Write the following: a. Orbital diagram regarding the electrons Silicon has. (Note, this should…

A: Since you asked  specific question but there is multiple questions so as per Q&A guidelines of…

Q: What type of atom is the largest?

A: If by biggest it mean smass then the mass of the atom is mostly from the protons and neutrons. So…

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: Rank the following in order of increasing atomic size (i.e. smallest to biggest) B   Be   F   K…

A: Atomic size is defined as the distance between a nucleus of an atom to its outermost electron shell,…

Q: 5. The total number of orbitals in the 4f sublevel is a) 5 b) 3 c) 1 d) 7 In the ground state, the…

A: Electrons are filled in the orbitals in increasing order of their energies which means the orbital…

Q: Which pair of particles have the same number of electrons  Choice A: F-,Mg2+ Choice B: Ne,Ar…

A: An isoelectronic pair  is a group of ions that all have the same number of electrons.

Q: Write the element symbol that fi ts each description. Use a superscript for the mass number and a…

A: a) an element that contains 10 protons and 12 neutrons Ne1022 b) an element with atomic number 24…

Q: Which element is below is not classified as a lanthanide or actinide a. Ceb. Smc. ud. Fre. All…

A: The objective of the question is to identify the element that is not classified as a lanthanide or…

Q: Macmillan Learning Write the complete symbol, including mass number and atomic number, for each…

A:

Q: Fill out the following information for the element Fluorine. Atomic #: Protons: Electrons: Neutrons:…

A: Element Fluorine Symbol = F Atomic number = 9  mass number = 19    * Number of proton = atomic…

Q: 16. What charge will a cation formed from strontium have? Select one: a. none of these b. -3 С. -1…

A: Answer is explained below.  We know that Strontium (Sr) is a Group-2 atom.  The electronic…

Q: 6. The maximum number of electrons possible in the second energy level (n - 2) is

A: For n=2 , There are two subshell one is 2S and other is 2p.

Q: Is PERIOD NUMBER ORBITALS GROUP A NUMBER VALENCE Compare your #1 and #2: Which is bigger? Why do you…

A:

Q: How many electrons are in the n=4 shell of Se? A. 0 B. 4 C. 6 D. 2

A: "n", the principal quantum no., represents the main energy level (shell) in which the electrons can…

Q: Give all of the terms that apply to each element: [1] metal; [2] nonmetal; [3] metalloid; [4] alkali…

A: Elements: These are pure substances that consist of the same kind of atoms in all respects.…

Q: 5. To which element does each of the following configurations correspond? a. 1s22s22p63s²3p4: b. 1s…

A: To answer the given question, we need to add the number of electrons in the given electronic…

Q: Using only the Aufbau (Building-Up) Principle, show the electron configuration of manganese (Mn).…

A: Afbau principle : It states that in ground state of an atom or ion , the lowest energy level…

Q: Which phrase beat describes the structure of an atom A: Nucleus surrounded by electrons in set…

A: Atom is made up of protons, neutrons and electrons and electrons are revolving around the nucleus.

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.