According to Coulomb’s law, what happens to the potential energy of two oppositely charged particles as they get closer together?

Q: What property did Mendeleev have that allowed him to put the elements in a pretty good order from…

A: Periodic table represents the systematic arrangement of elements in which the properties of these…

Q: identify the follwing atoms using their symbols d.the fifth period transition metal with properties…

A: d.the fifth period transition metal with properties similar to copper = Ag   e. the group V A…

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: According to Coulomb’s law, what happens to the potential energy of two oppositely charged particles…

A: What happens to the potential energy of two oppositely charged particles as they get closer…

Q: Why did Mendeleev not include neon in his periodic table of 1871?

A: Mendeleev arranged the periodic table in the increasing order of their atomic weights. The elements…

Q: What is the main idea in the periodic law?

A: The main idea in the periodic law has to be defined.

Q: Describe Rutherford’s planetary model of the atom.

A: Rutherford model or Rutherford atomic model or nuclear atom, or the planetary model of atom gives…

Q: List the features of Nonmetals?

A: The features of Nonmetals have to be listed below.

Q: What makes an atom a positive and a negative ion?

A: Ions are of two types positive and negative ions. Positive ions have a positive charge on them and…

Q: (Magnesium) Would you expect the ion to be larger or smaller in volume than the neutral atom? Why?

A: The given element magnesium is a metal and they have a tendency to lose electron. The loss of…

Q: When a halogen forms an ion, what is the charge of the ion? When the nonmetals in the oxygen family…

A: Ions are formed from neutral atoms by either gaining or losing of electrons.  Cation is formed if an…

Q: Write the electron configuration for barium.

A: Electronic configuration....

Q: Which elements are considered to be representative elements?

A: Whole periodic table classified into 3 parts:-  Transition elements  Representative elements…

Q: What is electron affinity? What are the observed periodic trends in electron affinity?

A: Electron affinity is the energy that released when a neutral gaseous atom captures an electron. The…

Q: In five or more sentences, describe the properties of nonmetals.

A:

Q: What are the 8 families of elements?

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

Q: Rutherford created a planetary model for atoms after his experiments. Imagine if Rutherford's idea…

A: If the Rutherford's concept about the atom: which states that electrons circulating around nucleus…

Q: Describe the structure of a typical atom. Identify where each subatomic particle is located.

A: An atom is composed of two regions: the nucleus, which contains protons and neutrons and is in the…

Q: The Bohr model of the atom was an important discovery that led to the modern theory of atomic…

A:

Q: The most useful property of metalloids is their

A: VARYING ABILITY TO CONDUCT ELECTRIC CURRENT

Q: List three ways in which metals and nonmetals differ.

A: Metals and nonmetals are the two categories in the periodic table. Metals are sonorous in nature…

Q: chlorine ) Would you expect the ion to be larger or smaller in volume than the neutral atom? Why?

A: The atomic no. of Cl is 17. It's electronic configuration is: 1s22s22p63s23p5 It has 7 electrons in…

Q: What is the charge for all the elements in group 2

A: We have to find the charge of all elements of group 2.

Q: Describe Thomson’s model of the atom. How might itaccount for the production of cathode rays?

A: The atomic model proposed by Thomson was the plum-pudding model. According to Thomson's atomic…

Q: According to Coulomb's Law... O The energy between two oppositely charged particles decreases as the…

A: Coulomb's law states that the force of attraction or repulsion between two charged particles is…

Q: the full electron configuration for S2−

A: S = sulfur Atomic number of sulfur = 16

Q: What basic properties of the electron were reported with its discovery?

A: The electron was discovered by an English physicist J.J.Thomson. J.J.Thomsom performed a cathode-ray…

Q: In the Uncertainly Principle, which two things about an electron cannot be fully known at the same…

A:

Q: How do you know that an element is a metalloid?

A: A metalloid is an element that has properties that are intermediate between those of metals and…

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: What is the pattern of valence electron configuration within the arrangement of elements on the…

A: An atom is mainly composed of three sub-particles; electrons, protons and neutrons. These particles…

Q: Describe the contribution of the following scientist in the development of the periodic table -John…

A:

Q: Write the electron configuration of an atom or ion.

A: The electronic configuration is the way electrons are arranged in an atom around the nucleus. An…

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: When the following atoms (Li, S, Ca and F) become ions, what charges will they acquire?

A:

Q: what are metalloids?

A: given,Metalloids

Q: What are the basic features of the periodic table?

A: A table in which the elements are arranged in the increasing order of their atomic number is termed…

Q: why does the sodium atom lose an electron?

A: In this question, we will discuss about why sodium atom lose an electron.  You can see details…

Q: Describe the trend in ionization energy as you move across the periodic table and down the periodic…

A: Ionization energy refers to the amount of energy needed to remove an electron from an atom in…

Q: what are isoelectronic species? give examples.

A: Atoms and ions that have same number of electrons that is same electron configuration are said to be…

Q: How many neutrons are in atom of the element in group 5 period 6

A: The given element is from group 5 and period 6.

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: Define Ionization Energy?

A: To ionize an atom means to take out an electron from the atom and form a cation (positively charged…

Q: Describe the Coulomb’s Law and Effective Nuclear Charge?

A: Coulomb's law of electrostatic states that,

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: Why is the magnitude of the charge of the electron so important?

A: An atom is made up of three subatomic particles which are neutrons, protons and electrons. Electrons…

Q: 1. How does ionization energy change as you move from left to right across a period? Explain your…

A: Ionisation energy is defined as energy required  to remove an electron from outermost shell of atom.

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.