Which line represents Br₂? О О О 2 3 1

Q: Synthesize the following target molecules from corresponding starting organic compounds.

A: Here we are required to synthesize the product from toluene.

Q: Ci 1.AICI3. A Zn (Hg), HCI В + 2.H20 Heat O:

A: The products are as follows:

Q: How many electrons are in the selenium (Se2-) ion? O 36 O 32 O 33 O 34 O 35

A: In order to determine the total number of electrons, it is very important to know the atomic number…

Q: What compound is shown in the Lewis dot structure? Nitrogen Gas Water Methane Hydrogen Chloride H H

A: * In this given Lewis structure the two 'H' atom is bonded to one 'O' atom.* So, the molecular…

Q: Answer the questions in the table below about the shape of the carbon dioxide (CO₂) molecule. How…

A: A lone pair is a pair of valence electrons that are not involved in a chemical bond between atoms.…

Q: How does the molecular-level structure of HDPE and LDPE influence their physical properties? How do…

A:

Q: + Br HO

A: The question is based on the concept of organic synthesis.We need to synthesize the product using…

Q: the correct formula between x and oxygen has a chemical formula of X2O. which element would x most…

A: The objective of the question is to identify the element 'X' in the chemical formula X2O.

Q: Which of the following would have the highest ionization energy? Cs K Rb

A: The elements given are K, Rb and Cs.

Q: Arrange the single covalent bonds within each set in order of INCREASING polarity. If: • most polar…

A: Higher the electronegativity difference between the atoms, higher will be the polarity of the bond.

Q: How many atoms of oxygen are indicated in the formula Fe(NOa)3? O 1 O 3 O 6 0 9

A: Calculate numbef of O atom in Fe(NO3)3 ?

Q: The chemical name of Ny04 is Dinitrogen trioxide Dinitrogen tetroxide Dinitrogen pentoxide Nitrogen…

A: N2O4 There are two nitrogen and 4 Oxygen. The term used for 2 atoms is di The term used for 4 atoms…

Q: elements

A:

Q: How many valence electrons are in I?

A:

Q: How is F3O4 the oxide ion of Fe 3+?

A: SOLUTION: Step 1: Fe3O4 is a spinel compound. Spinel means it contains metal ion of 2 oxidation…

Q: How many valence electrons are in the neutral element sodium? 11 O 2 0 5

A: Valance electrons :- The number of electrons present in outermost orbit of an atom are called…

Q: How many electrons does silver accept from copper? 0 1 O 3 O 2

A: In this Silver can accept 1 electron from copper.This is because copper(Cu) is more reactive than…

Q: Which of the following represents a cesium ion? A B U Cs²+ Cs+ Cs D Cs²-

A:

Q: certain acid is derived from the anion SO32−. What is The formula for the acid.

A:

Q: Give the number of electrons in P-3

A: Given element is Phosphorus. When electron is gained by the atom it aquires negative charge. When…

Q: Br-80  -->  electron  +

A: The given incomplete radioactive decay equation is : Br-80 ---------> electron + ? OR  35Br80…

Q: Which of the following nitrogen containing compounds contains only covalent bonds? O NazN O NH¼NO3 O…

A: When different of electronegativity for two atoms are very small then electrons can not flow towards…

Q: SO3H HO Δ

A: Organic reactions can be defined as the reactions in which organic reactants react with each other…

Q: Give the name of the compound formed when Ca and I atoms combine.

A: Ca + I2 ---> CaI2 So, the compound formed when Ca and I atoms combined is Calcium iodide.

Q: 2px зру 2.Draw an energy-level diagram for Polonium, Po (atomic number=84).

A:

Q: Which of the following combination of elements is the most reactive? Cs and I Na and Br Cs and Br…

A: Greater is the difference in electronegativity between two atoms in a molecule, higher will be the…

Q: HyC 1| Br

A: The given molecule is represented as follows:

Q: What is the electron configuration of Co²⁺?

A:

Q: Which of the following answer choices contains a covalent bond? NO MgS KF CaS

A: A covalent bond is a type of chemical bond that involves the sharing of electron pairs between…

Q: Select all the elements whose elemental forms have covalent bonding: Hydrogen Helium Lithium…

A:

Q: I2 (s) + Fe(s)→→ Fel2(s) Match the words in the left column to the appropriate blanks in the…

A: Balancing of a redox reaction followed by the below steps 1. Separate the reaction into oxidation…

Q: The Lewis structures of acetone and n-propane is shown below, which of the following is true? (A) I…

A: We have been given two lewis structures.We have been asked about polarity of these two…

Q: chemical formula

A: Chemical formula is a way of representation of molecule explaining the chemical proportions of atom…

Q: lodine displays a number of valencies in its compounds. Select from the list below, all the…

A: Answer:When different halogen atoms combine together to form a covalent compound then such compounds…

Q: Which of the following is an atom, molecule, ion, element? Cl- O2 HCl Ne

A: 1. Cl- is an ION. Ion is an atom or a molecule with some net charge on it, formed by loss or gain of…

Q: DRAW A COVALENT BOND FOR LiBr AND SI2

A: LiBr ( lithium bromide) SI ( sulfur didiodide ) Covalent bond :- A covalent bond is a chemical bond…

Q: delta H and delta U are nearly the same in all of the following reactions except: N2g) + O2(g) >…

A: We have thermodynamic relation:  ΔH = ΔU + Δn×R×T       ----(1) Where,  ΔH is change in heat   ΔU is…

Q: Which of the following is NOT one of the seven

A: In diatomic gases,  gases consist of two elements and form stable molecule. N2 , H2, Br2 are…

Q: Which of the following compounds is molecular (covalent)?

A: Given : formula of different compounds.

Q: The element that will most likely form a 2+ ion is A carbon B calcium C oxygen D C. fluorine OD

A: ->For gain stability noble gas configuration element can form ions by gain of electrons or by…

Q: If Oxygen has an atomic number of 8, then how many protons would a molecule of water (H2O) contain?…

A: The number of protons of the atom is equal to the atomic number. The number of electrons in a…

Q: Which of the following pairs of atoms would produce a polar covalent bond? The following reference…

A: A bond formed between two atoms with a difference in electronegativities by sharing electrons is…

Q: Which of the following substances contain ionic bonds: Group of answer choices NaCl LiF NO2 BH3

A: Ionic compounds are formed by combination of highly electropositive metal with the highly…

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.