trogen tetroxide is a colorless gas while nitrogen diaxide is a brown gas, what color do you predict for the syringe filled with dinitrogen tetroxide placed in a liquid nitrogen tank? O Brown O Transparent O Light Brown

Q: Name two elements in the group which has the general electron configuration ns2np3.

A: Given: The general electron configuration of element is ns2np3. Here, n represents the principal…

Q: Which one of the following elements is an example of a transition metal in period 4? а. Carbon O b.…

A: Transitions metals are also known as d-block elements. These are present in the middle of the…

Q: Write the valence electron configuration for each of thefollowing:a. alkali metals                b.…

A: a. alkali metals    Valence electron configuration = ns1       b. Group 4A (14) Valence electron…

Q: Provide the electronic configuration and electron orbital diagram for nickel (Z = 28).

A: The arrangement of electrons of an atom or molecule in atomic or molecular orbitals are called…

Q: Chapter 4, Question 88 One hydrogen emission line has a wavelength of 486 nm. Identify nfinal and…

A: 486nm lies in Balmer series. Using following formula we can calculate ninitial and nfinal .…

Q: ionization energy and atomic radii, to predict the reactivity of metals within the same group. Think…

A: We will explain about reactivity of metals.

Q: Electron configuration of Fe+

A: The atomic number of iron is 26. It means a neutral atom of iron has 26 electrons. Electronic…

Q: The electron configuration for vanadium (V) is O [Ar] 4s2 3d3 O [Ar] 4s2 3 O [Ar] 3d None of these

A: The distribution of electrons in an element's atomic orbitals is described by its electron…

Q: #10 which halogen A.) F hos the most metallic Character C.) Br

A: In periodic table, halogens are present in group 7A. Group 7A elements are one electron away to…

Q: Why are main group elements much simplier than the transition metals?

A: Introduction- The whole of periodic table is divided into- Main group elements- The elements of…

Q: Based on ionization energy, why is cesium called the most metallic metal

A: The ionization energy is the minimum energy which is absorbed by a gaseous atom to discharge one…

Q: <p>Why is the +2 oxidation state so common for transition metals?

A:

Q: Each metal has a different energy at which it ejects electrons. At lower energy, electrons are not…

A: Photoelectric effect is defined as the process in which electrons are ejected from the surface of a…

Q: Determine whether each element is a transition element. Cs

A: The position of an element on the periodic table tells whether it is a transition element or not.…

Q: Which of these elements has the highest first ionization en Select one: а. Cs b. Bi C. Ga d. As е. К

A: Ionization energy is defined as the amount of energy required to remove valence electron from…

Q: Chapter 4, Question 88 One hydrogen emission line has a wavelength of 486 nm. Identify ninal and…

A:

Q: uestion 3 We see color by the light that is O reflected O absorbed O passed through a prism. O…

A:

Q: When a nonmetal oxide reacts with water, it forms anoxoacid with the same nonmetal oxidation state.…

A: Since there are multiple sub-parts in the question , only the first 3 sub-parts of the question are…

Q: Define the term transition elements?

A: ● Transition elements (also known as transition metals) are elements that have partially filled d…

Q: halogens are considered to be most reactive non metallic element. Why?

A: Halogens belong to group 17. They have 7 valence electrons. They are short of only one electron to…

Q: 8. Find the key characteristic of redox reactions. * O A. The reactions fixed electron…

A:

Q: Transition that causes to the characteristic blue color of K,[Re,Cl]will be A) o -o B) 7 – 7° С) л —…

A: A quadruple bond between the d-orbitals of the two metal centers forms. Eight electrons are shared…

Q: why doea a transition series contain 10 elements?

A:

Q: what are some common properties of the transition metals in group 3-12

A: Interpretation- To write common properties of transition metals in group 3-12

Q: This elements produced bright yellow flame when used in fireworks. * Ве Ca O Sr Mg Group 2 elements…

A: Answer Q=1 which element produce bright yellow flame when used in…

Q: b. State the physical states of the halogens at room temperature and explain the trend.

A: Halogens are group 17 elements. Halogens are non metals in nature. Halogens are Fluorine, chlorine,…

Q: Consider the following five elements: Na      I     Be    Fr    F   The element with the largest…

A: 1. Answer - Ionization energy - ionization energy or ionisation energy is the minimum amount of…

Q: Determine whether each element is a transition element. Br

A: d-block elements are those elements in which the last electron enters in d-subshell. Transition…

Q: Determine whether each element is a transition element.  Cr

A: Given Determine whether Cr element is a transition element.

Q: Arrange the following elements in order of decreasing metalic charector O Zn F Al C Sr

A: Metallic character decreases in a period and increases in a group. The given elements are O, Zn, F,…

Q: Write the full electron configuration of iron, Fe. electron configuration: Write the full electron…

A: electronic configuration of iron Fe, atomic number of iron = 26 1s2 2s2 2p6 3s2 3p6 4s2 3d6

Q: Compare and contrast the characteristics of the theoretical materials of metallic materials (iron)…

A: Non destructive testing is method used by industry to evaluate properties of materials, components,…

Q: The element which has the electronic configuration [Kr], 55, 4d0 is IS . a. Paramagnetic in its…

A:

Q: Write the electronic configuration, using an orbital diagram for    F Fe Cr

A: The electron configuration of an atom is the representation of the arrangement of electrons…

Q: What is the generic outer electron configuration for the alkaline earth metal

A: Group 2 elements are known as alkaline earth metals.

Q: The atomic radius of E is 107 pm and tiat of E is 231 pm. Calculate the percent increase in volume…

A: The atomic radius of E is = 107 pm The ionic radius of E- is = 231 pm Percent increase in the volume…

Q: Illustrate the orbital diagram and identify the magnetic property (paramagnetic or diamagnetic) of…

A: the solution is as follows:

Q: Arrange the elements according to atomic radius. Largest radius Ne Li Be F Smallest radius

A: The elements belong to period 2 of periodic table. Along the period, the atomic radius decreases.…

Q: What is peculiar about the cations formed by transition metals and given two examples ?

A: The transition metal cations have several exciting properties which are generally useful for…

Q: Look at equation 11: If Br,(g) + 2KCI (aq) reacted instead of CI, (g) + 2KBr (aq) could this…

A: Cl2  + 2e- → 2 Cl-     E° = 1.36 VBr2  + 2e- → 2 Br-     E° = 1.09 VBr2 (g) + 2 KCl(aq) → 2Br-  +…

Q: Explain why the first innization energy of Ca is greater than that of K, whereas the second…

A: The first ionization energy of Ca is greater than that of K, whereas the second ionization energy of…

Q: What are the transition elements? Write two characteristics of the transition elements.

A: Transition elements are those that are having incompletely filled d-orbitals. These elements are…

Q: Which of the following gases contain a halogen? O HS O NO, O He O Co O HCN O HF O CI, O N,O Ar o, Ne…

A: According to the periodic table, halogens are members of group 17 .  Elements of halogen groups are…

Q: Determine whether each element is a transition element. Mo

A: Solution-The transition elements are located in groups (3 IIIB – 12 IIB) in periodic table , which…

Q: What and the three chemical properties of halogens?

A: Halogen family is the group of elements that is present in Group VIIA of the periodic table.  The…

Q: Establishing the relative reactivity of metals requires a comparison of their relative tendency to…

A: The relative reactivity of a group of metals can be measured by comparing the reaction of each metal…