Arsenopyrite is a mineral containing As, Fe, and S. Classify each element as metal, nonmetal, or metalloid.

Q: What are the elements under Group 4A? Tabulate your answer by giving its description, importance,…

A: Group 4A contains the elements  of carbon family having C , Si , Ge , Sn , Pb .

Q: Consider the elements: B, C, N, O, F.a. Which element has the highest first ionization energy?b.…

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

Q: Choose the element with the higher first ionization energy in each pair.a. Br or Bi b. Na or Rb c.…

A: Ionization energy :  From the ground state of an atom , if one electron is removed than the energy…

Q: Does the reaction of a main-group metal oxide in water produce an acidic or a basic solution? Write…

A: The nature of the solution has to be predicted by reaction of main group metal oxide in water has to…

Q: Explain the relationship between the trends in atomic size and in ionization energy within the main…

A: The term ionization energy of an element is defined as the minimum amount of energy which is…

Q: Define the properties of metallic atomic solids ?

A: Answer Properties of metallic solid : Some important properties of…

Q: Describe how the radius of isoelectronic ions changes as the atomic number increases.

A: The isoelectronic ions are the chemical species, which have the same number of electrons. However,…

Q: Use the periodic table to classify Ce (cerium) as a metal or a nonmetal, and then further classify…

A: Ce belongings to f block element and of Lanthanides series. and Lanthanides are metals.

Q: Lithium’s properties are more likemagnesium in group 2 than sodium. Use what youlearned about atomic…

A: In periodic table, elements are arranged based on their similarity in the property. The horizontal…

Q: Classify each of the following elements as a main-group or transition element. Also,specify whether…

A: Given elements: Na, Re, S, I, Kr, Mg, U, Si, B, Al, As, H.

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: larger atomic radius?

A: The atomic radius of a chemical element is a measure of the size of it's atom.  Atomic radius is…

Q: Which element would you expect to be less metallic?(a) Cs or Rn(b) Sn or Te(c) Se or Ge

A: The elements in a modern periodic table are arranged in an increasing order of their atomic number.…

Q: why iodine is dark violet in colour?

A: Visible region: The electromagnetic radiation in range of is regarded as visible region which is…

Q: Consider the elements in Column 15 in the periodic table, with nitrogen at the top (2nd period) and…

A: The elements of group 15 generally dissolve and do not react with water. However there are some…

Q: For each of the following pairs, indicate which element hasthe smaller first ionization energy: (a)…

A: The first ionization energy is the minimum energy required to remove the electron from an isolated…

Q: 34. According to general trends in the periodic table, predict which element in each of the…

A: The general trend of metallic character is that  1. On moving from top to bottom in group , metallic…

Q: On the basis of periodic trends, determine which element in each pair has the higher first…

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

Q: 38. Which of the following statements is (are) true about lithium, a Group I element of the Periodic…

A: Interpretation -  To tell about which of statement is true about lithium , for a group-I element of…

Q: Write equations that show the process for (a) the first twoionization energies of lead and (b) the…

A:

Q: Which element has the largest atomic radius? explain your answer in a separate sheet. O H O F O Na

A: Given :- symbol of elements H, F, Na and O  To identify :- element with largest atomic radius

Q: Choose the element with the higher first ionization energy from each pair.a. P or I b. Si or Cl c. P…

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

Q: Classify each element in the fourth row of the periodic table as a metal, nonmetal, or metalloid.

A: An atom is composed of three main sub-atomic particles; electrons, neutrons, and protons. The atomic…

Q: hich of the following is NOT true for the Group 1 A elements? a. Most of them are soft silvery…

A: Given : We have to choose the correct option about Group 1A elements.

Q: Write the name of element and classify it as a metal, nonmetal, or metalloid. K

A: Given elemental symbol is K. Is it a metal or nonmetal or metalloid?

Q: State one reason why caesium has a larger covalent radius than sodium.

A:

Q: Which element has the largest radius? Ga, Al, or In

A: Given, elements Ga , Al and In  All of these belongs to the same group.

Q: Arrange in order of decreasing first ionization energy:    C, N, Si

A: The answer is given as follows

Q: he simpliest oxide for Fe2+ is FeO. How does one come to that conclusion?   The simpliest oxide of…

A: The simplest molecular formula of any compound is that which has the atoms in simplest ratio. In…

Q: Which element has the smallest atomic radius?a) C b) Si c) Be d) F

A: Atomic size:- It is the distance between the nucleus and its outermost shell electrons, which…

Q: Why is agron the smallest than the other elements in period 3?

A:

Q: Consider an ion with the symbol Y³- formed from a representative element (Y is an unknown element,…

A: The given element has formed an ion with a symbol Y3-.  The group number of the element is =?

Q: Consider the elements: Na, Mg, Al, Si, P.a. Which element has the highest second ionization…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: Name each of the following oxides. Assuming that thecompounds are ionic, what charge is associated…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Classify each element as a metal, a semimetal, or a nonmetal.    Ga, Ge, Sc, S, Sb, Bi,Se

A:

Q: Explain how the following properties change across the periodic Table from group 1 to group  2, and…

A: d) Melting point increases across a period.  Melting point is the  temperature at which a substance…

Q: Describe alkali metals?

A: The alkali metals consist of the chemical elements lithium (Li), sodium (Na), potassium (okay),…

Q: Which element would you expect to be more metallic?(a) S or Cl(b) In or Al(c) As or Br

A: Metallic character represents the tendency of element to behave as metal. It increases in a group…

Q: 25. An oxide in Period 3 reacts with NaOH and HCl to form salts. What is the formula of the oxide A…

A: An oxide of period 3 of the periodic table is reacting HCl i.e. acid and NaOH i.e. a base, so the…

Q: Which of the following elements has the smallest atomic radius? As B Na Mg Br

A: The B (Boron) and Na (Sodium) has the smallest atomic radius.

Q: Which element had the smallest ionization energy , He , Ar , Xe

A: Ionization Energy (I.E.)- Amount of energy required to remove last shell electron of an isolated…

Q: Which of the following statements is/are true? I. Solids are compact but if melted it moves…

A:

Q: Arrange in order of increasing ionization energy (a) the Group 1A elements Na, Cs, and K(b) the…

A: An atom is composed of three main sub-atomic particles; electrons, neutrons and protons. The atomic…

Q: Simplified explanation of nitride and carbon in minerals, simplified explanation of the mechanism of…

A: Explanation- @ Nitride in minerals-       In chemistry, a nitride is a compound of nitrogen where…

Q: Explain why ionization energy increases across a period and decreases down a group.

A:

Q: Which of the following is not true? O a. The transition metals are characterized by partially filled…

A: