Which of the following statements is FALSE and why?  IE = ionization energy, Zeff= effective nuclear charge. A. Sodium has the smallest atomic radius in its period due to its high value of Zeff B. The Zeff for Boron is less than the Zeff  for Carbon. C. The first IE for oxygen is less than the first IE for fluorine.

Q: A new element is discovered, and called calpolyium, Cp. Based on its reactivity, Cp is placed below…

A: Francium, Fr is an alkali metal and it has outer most configuration ns1 . A new element Calpolyium,…

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: Atomic Radii of the First 86 Elements 30 200 50 10 20 30 40 Atomic Number 4. Whatis tha ganaral…

A: We would use the given plot to answer about the trends .

Q: 3. Which of the following states that the electrons in an atom fill lower- energy atomic orbitals…

A: The filling of electrons in an lower atomic orbitals in single electron system like H(Hydrogen) .…

Q: Order the elements Sr, Ca, and Se in order of decreasing atomic size.(a) Se > Sr > Ca (b) Ca…

A: We know, In periodic table, As we move left to  right in a period: The atomic size decreases in the…

Q: 2. An element that has 9 orbitals 5 fully filled, 2 single electrons and 1 empty orbital (a) What is…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: Which of the following statements are true?  A. An atome of beryllium will have a longer atomic…

A: There are several properties of the elements present in the periodic table which show a periodic…

Q: The ionic radii of K+, Cl−, and S2− are 138, 181, and 184 pm, respectively. Which of the following…

A: Ionic radii of K+ = 138 pm Ionic radii of Cl- = 181 pm Ionic radii of S2- = 184 pm

Q: What element(s) in the fi rst and second period fi t each description? a. The element has one…

A: Since you have posted a question with multiple subparts, we will solve the first three subparts for…

Q: Which elements would be affected if the elements in periods 1, 2, 3, and 4 arranged based on their…

A:

Q: 46. The diagram at the right represents two adjacent atoms of sulfur. The measure of distance X is…

A: Atomic radius of S = ~53 pm Ionization energy decreases while going from to to bottom in a group

Q: A space probe identifies a new element in a sample collected from an asteroid. Successive ionization…

A:

Q: Mg2+ has a larger radius than F since the effective nuclear charge is weaker O True O False

A: Applying concept of relationship between effective nuclear charge to radius of elements.   Zeff…

Q: Place the elements in each set in order of decreasing atomic size.a. Cl, S, P                b. Ge,…

A: Decreasing order of atomic size : a.  P    >  S   >  Cl    b. Ge  >  Si     >   C…

Q: 2 3 Number of electrons removed Ionization energy (kJ/mol)

A: Ionization energy is the minimum energy required to remove an electron from a neutral gaseous atom.…

Q: 4. What is the charge of Sn atom usually form? A. 1+ В. 2+ С. 3+ D. 7+

A: Sn is abbreviations of Tin element.

Q: Which element from row 2 will have the following ionization energies? IE1 = 1086 kJ, IE2 = 2353 kJ,…

A:

Q: If the core electrons were 100% effective at shielding the valence electrons from the nuclear charge…

A:

Q: Electron affinity, EA, is the energy required to add an electron to a neutral gaseous atom and is…

A: Electron affinity is defined as the energy required to add an electron to a neutral gaseous atom or…

Q: A space probe identifies a new element in a sample collected from an asteroid. Successive ionization…

A:

Q: Mass of Electron -9. eV=2.18 GEhergy-dispersive X-ray spectroscapy (EDS) 9S a during scanning…

A: The energy of an electron in the shell, n is given as: En=-RyZ-121n2 where Ry is the Rydberg…

Q: Question 4 The shielding constant for He (1s)² is o.31. Calculate the following: a) The energy of…

A: Solution

Q: 5. The former president of Mount Mercy thought he discovered a new element and hoped to make a new…

A: since you have posted multiple questions in a single session we are entitiled to answer only first…

Q: 1.67 Which of the following statements are true for many-electron atoms? If false, explain why. (a)…

A: (a)The given statement is FALSE.The effective nuclear charge is affected by the average number of…

Q: Division of electron shells within the Main Energy Level. eg s, p, d, and f * A. Hund's Rule…

A: The two answers are as follows:

Q: Sodium is much more apt to exist as a cation than is chlorine. This is because ____. a. chlorine is…

A: Sodium is metallic in nature and it tends to be more electropositive in nature it says that it can…

Q: Answer ALL parts of this question. (a) Explain the following observations in first ionisation…

A: Ionization energy (EI): When an electron is removed from the outermost shell of an isolated gaseous…

Q: Li is a larger atom than Ne, even though Ne has 7 more protons and 7 more electrons than lithium.…

A:

Q: ( possible cch the elements in the left column to the appropriate blanks in the sentences on the…

A:

Q: 8. Indicate whether the following statements are True or False: a. The common name for the elements…

A:

Q: D. Match items from column (A) with the suitable one from column (B) (A) (В) Alkaline earth metals 1…

A: The table is given is based on the periodic table.

Q: a) “The electron affinity for F is highly negative”. Explain what this means in terms of whathappens…

A: a) Electron affinity of any element is defined as the amount of energy released on adding 1 electron…

Q: Before Mendeleev published his periodic table, Döbereiner grouped elements with similar properties…

A: Döbereiner was among the first who arranged the then known elements in groups of three and called…

Q: A space probe identifies a new element in a sample collected from an asteroid. Successive ionization…

A: Ionization energy: The amount of energy required to remove an electron from its outer most valence…

Q: TRUE OR FALSE The Zeff increases from left to right across the same row in the Periodic Table. […

A:

Q: Choose the best answer below.  Which of the following statements is FALSE?   Adding another…

A: Given statements: Adding another electron to Cl releases more energy than adding another electron…

Q: The Periodic Table of Elements Down acrese an electron in the outermost energy level 3 known as the…

A: Ans:  In the given crossword puzzle there are 10 blank spaces out of which three are from up to down…

Q: In each of the following pairs, which has the bigger radius? 0²- Mg2+ N W: X: Y: Z: < BUDE B. C. A.…

A: We use the below rules to compare the radius of different elements/ions in periodic table:

Q: Rank values from biggest to smallest atomic size. To rank items as equivalent, overlap them. Reset…

A: Since, As we move from left to right in a period then atomic size decreases. When we move from top…

Q: G 1. an arrangement of elements into rows and columns according to similarities in their properties…

A:

Q: According to Coulomb’s law, which pair of charged particles has the lowest potential energy?a. a…

A:

Q: Which statement is true regarding Slater's rules and the calculation of effective nuclear charge? In…

A: Slater's rule is used to calculate the effective nuclear charge of an atom

Q: The table below shows 8 successive ionization energies (I. etc) in MJ mol for an element X There are…

A: This can be explain on the basis of ionization energy.  *Option B is correct.  &amp; it is explained…

Q: Sodium is much more apt to exist as a cation than chlorine because: a) chlorine is a gas and sodium…

A: Ionization energy is defined as the minimum amount of energy that is required to completely remove…

Q: A space probe identifies a new element in a sample collected from an asteroid. Successive ionization…

A: The pattern of ionization enthalpy in a gathering is reliant upon the valency of the components…

Q: What's New Activity I.I Making Your Own Periodic Table Make your own periodic table using the…

A: In a periodic table, vertical columns are called groups and horizontal rows are called period. Along…