15. What are the properties of nonmetals? Where are nonmetals found on the periodic table?

Q: How many elements are in the 6th period of the periodic table?

A: Periods are the horizontal rows in the periodic table.

Q: why dose higher atomic weight elements in the firsts two groups in the periodic table  r(alkaline…

A: First and second group elements are alkali and alkaline earth metals (Alkali metals- Li,…

Q: What is the charge of an oxide ion?

A: An oxide ion is the anion of oxygen. Oxygen when reacts with metal form metal oxides.

Q: What are the properties of Metals and Nonmetals?

A: Elements are the class of pure substance that is made up of only one kind of particles. They can be…

Q: What is the major role of Ionic Size?

A: Ionic bond: Chemical bond formed between two elements by electron loss and gaining process in order…

Q: Give the main features of Thomson’s Model for an atom.

A: Thomson's model also called as plum pudding model. J.J. Thomson discovered electron in 1904. In this…

Q: Describe the development of the Periodic Table?

A: Modern periodic table is made by Dmitri Mendeleev and Lothar Meyer. This modern period law states…

Q: If F is a reactive nonmetal, which other element or elements shown hereare likely to be reactive…

A: Concept introduction: Modern periodic table can be classified on the basis of the atomic number of…

Q: Answer each question in 5 to 10 sentences only.  1. Why are the groups in the periodic table…

A: In Periodic table , all the elements are classified as A block and B block elements. A block…

Q: Who is credited with arranging the periodic table? How are the elements arranged in the modern…

A: Periodic table is a table which shows the elements arranged in order of increasing atomic number of…

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: 7.36 Which is the largest atom in the third period of the periodic table?

A: In periodic table, there are total 7 periods (along horizontally), 18 groups (along vertically), and…

Q: What is the periodic table

A: The elements are the simplest chemical species, which has same number of protons in the atomic…

Q: What are the 8 families of elements?

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: a. What is the chemical formula for enflurane? b. Which element in enflurane has valence electrons…

A:

Q: 7.7 Draw a rough sketch of a periodic table (no details are required). Indicate regions where…

A: In the periodic table, the metals lie on the left side, non-metals lie extremely on the right side,…

Q: Explain the organization of an atom of carbon.

A: The protons, neutrons, and electrons are the salient features of an atom. The protons present in the…

Q: Are nonmetals to the left or right of the metalloids?

A: The metals are left to the line (except of Hydrogen which is a non metal),non metal is right to the…

Q: Elements in group 17 have how many valence electrons?

A: Group 17 belongs to Halogens . Halogens has seven valence electrons on their outer most electronic…

Q: What is the term for the elements that belong to Groups IIIB-IIB (Groups 3-12)?

A: In the modern periodic table we have eighteen groups. These groups are classified to four blocks;…

Q: how many electrons does P have?

A: Phosphorus(P) have atomic number 15  so it hsve 15 electron

Q: The most useful property of metalloids is their

A: VARYING ABILITY TO CONDUCT ELECTRIC CURRENT

Q: Explain what is meant by the periodic table with an explanation of the divisions it consists of and…

A: Periodic table is the important tools in the history of chemistry . It arranged the atomic…

Q: What is the model of the atom

A: Model of atom is given by Neil's Bohr in 1915 but it came into existence after modification by…

Q: Explain how Dalton’s theory of the atom and the conservation of mass arerelated.

A: The way how Dalton’s theory of the atom and the conservation of mass are related has to be explain,…

Q: how many electron shells do most materials used in electronic and electrical applications contain?

A: 2 electron shells are used in electrical and electronic property of the material

Q: 5) Consider an atom of the element nitrogen (N). A nitrogen anion can be formed fr this atom by a)…

A: Anion is negatively charged species.

Q: To what part of the periodic table does the valence electron correspond?

A: Valence electrons are electrons present in outermost shell of any element. They are related to…

Q: Calculate the atomic mass of naturally occurring boron if 19.9% of the boron atoms are 510 B and…

A: The atomic mass of naturally occurring boron has to be given,

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: ving: Why are the elements' atomic masses not in strict increasing order in the periodic table even…

A: As per the policy, we are only allowed to answer only 1st question. To get the answer of other…

Q: Explain how Dalton’s atomic theory accounts for the law of conservation of mass?

A:

Q: what are metalloids?

A: given,Metalloids

Q: xplain the characteristics of Group X elements

A: This question is related to alkali metals.

Q: What is the metalloid in Period 3 on the periodic table?

A: Metalloids :-  Elements whose properties are intermediate between those of metals and non metals are…

Q: What are periodic properties?

A: Given: Periodic properties.

Q: Elements in the same group tend to have similar characteristics, but some things like tendency to…

A: D) is the correct answer as BARIUM is largest and have greatest tendency to lose electron On moving…

Q: Consider generic atoms A, Be C. It is known that the mass number of A is equal to 101, the mass…

A: The atoms which have the same number of the proton but the neutron number is different is called…

Q: What is the maximum number of electrons that can occupy then = 3 shell?

A: n = 3  How many electrons can accommodate ?

Q: 4. What does isoelectronic mean? Provide an example.

A: The outer shell electrons of an atom is called the valence shell electrons for that atom.   These…

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

A: Halogens:

Q: Which groups in the periodic table contain metals, nonmetals, and metalloids?

A: There are 18 groups in a periodic table. On going from left to right, the metallic character…

Q: Does the force of attration increase, decrease, or stay the same as two oppositely charged particles…

A: When two charges move towards each other it means that they are oppositely charged and the force of…

Q: 23 A student tests the properties of an element and finds that it is malleable, shiny, and conducts…

A: The metals are hard, can be beaten into sheets, can be drawn into wires, shiny, sonorous, etc. A…

Q: Is gold metal nonmetal or metalloid

A: Gold is a transition metal belonging to Cu and Ag group.