An element reacts with oxygen to form an oxide which dissolves in dilutehydrochloric acid The oxide fanned also turns a solution of red litmus blue Is the element a metal or non-metal? Explain with the help of a suitable example.

Q: n its atomic radius equals 0.175 nm.

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Q: Describe the basic organizational feature of the periodic table of the element.

A: The Dimitri Mendeleev gave the modern law of periodic table, which states that the properties of the…

Q: What are the two transition metals that areused in making jewelry and are the group 11 elementswith…

A: To find: The two transition elements present in group 11 elements used in jewelry making with low…

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: give examples of transition elements.

A: The transition elements contain either d subshells which are incomplete or that readily lose…

Q: When a metal leaf electroscope is charged by contact with a negatively charged rod: Oprotons move…

A: An atom consists of protons and neutrons present inside the nucleus and electrons revolve around…

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: 7.72 Give the physical states (gas, liquid, or solid) of themain group elements in the fourth period…

A: Intermolecular forces refer to the type of interactions which are present in between atoms or…

Q: Determine the ions of Group IA

A: The ions of Group IA in the periodic table is to be identified.

Q: Arrange these elements according to first ionization energy. Highest ionization energy Ne C B.

A: The ionization energy (IE1) is defined as the quantity of energy needed to eliminate the loosely…

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

A:

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: Tellurium can form an anion with a 2- charge. What natural element would be isoelectronic to this…

A: electronic configuration of Tellurium is                             [Kr] 4d10 5s2 5p4  thus it…

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: 7. The graph shows a suddan incroasa in atomic adus far lithium, sadium, potassium, nubidium, and…

A: Please find your solution below : Atomic radius is defined as the distance from the nucleus of atom…

Q: Is this true or false why? Sodium and chlorine are both very reactive metals

A: Sodium is metal but Cl is a non metal.

Q: What is the principal quantum number (n) for the valence electrons in lead?

A: Quantum numbers can be defined as the set of 4 numbers that help us to know about the electrons…

Q: Placed the elements N, O, As, Se in order from least to greatest atomic radius. a. N<0< As < Se b.…

A: On going to left to right,size will be decreases

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

A: • Arsenopyrite, AsFeS is a mineral. It is abundant and widespread   • Arsenopyrite contains As, Fe…

Q: gro periodic lable WUuI snonnɔuLƏUn element :X: be found Alkali metals .A O .B O Halogens .C O…

A: Given element have 7 electrons in their valence shell

Q: 17.The atom can be defined as: a)The smallest particle of matter. b) The particle of the matter…

A: We know that atom can be defined as the smallest particle of an element that keeps all the…

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

A: Metal: these are lie on the left side and middle of the periodic table. Metals are good conductors…

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 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: According to Coulomb’s law, if the separation between two particles of the same charge is doubled,…

A: Coulomb's law states that the potential energy (E) of two charged particles is dependent on their…

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: isoelectronic

A:

Q: Completely the followin

A: Modern periodic table is divided into 7 periods and 18 groups  Based on differenciating electron…

Q: Where are the non-metals located on the periodic table of the elements? A. Below the zig-zag line…

A: There are many periodic tables where a zig-zag black line along the right side of the table…

Q: xplain the characteristics of Group X elements

A: This question is related to alkali metals.

Q: According to periodic trends, which metal has the highest ionization energy?

A: Ionization energy is defined as an energy which is required to remove an electron from the gaseous…

Q: Which element would you expect to be more metallic? (a) Ra O Mg (b) O I O Br (c) In Al

A: Metallic character decreases as we move across a period in the periodic table from left to right.…

Q: The element with electronic configuration [Ar] 3dº4s34p² is a typical metal in Group 14 (Group IV)…

A: The given electronic configuration of the element is : [Ar] 3d104s24p2

Q: Using the periodic table to locate each element, write theelectron configuration of (a) Os; (b) Co;…

A: Interpretation: Using the periodic table to locate each element, the electron configuration of given…

Q: (a) The Group VII elements of the Periodic Table are called Halogens. ) List these elements in order…

A: Halogens:

Q: What are the alkaline earth metals?

A: The 's' block elements are formed by the combination of group 1 and 2 elements. The atoms of the 's'…

Q: Which of the elements listed below has the highest first ionization energy?

A: Ionization energy is defined as the minimum amount of energy needed to remove the most loosely bound…

Q: how do you figure out what charges the transitional metals are

A: To know the charge on a given transition metal atom, we have to consider what element it is, the…

Q: Groups of elements in the periodic table have similar O physical properties O crystal formations…

A: Elements belonging to the same group have same electronic configuration.  Hence, they participate in…

Q: Explain how metallic characteristics of an element is determined

A: Metallic characteristics: Metal characteristics basically belong to the reactivity of a metal.…

Q: When elements are arranged by increasing atomic number, and by periods according to their…

A: According to the given question we have, as we move across the period the atomic number increases.…

Q: The element tin would be classified as: Select an answer and submit. For keyboard navigation, use…

A:

Q: have the lowest fest lonization energles of the groups listed. O Transition elements O Alline earth…

A: Ionization energy is minimum amount of energy required to remove the loosely held electrons from…

Q: What characteristics of Boron are similar to Group 14 elements

A: Boron is belongs to group 13th . The outer most electronic configuration of boron family is ns2np1.…

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

A:

Q: Which has the lowest first ionization energy, B, Al, C, or Si?Which has the highest?

A: The given atoms are B, Al, C and Si in which B and Al are of group 13 elements and C and Si are of…