How many protons, electrons, and neutrons are present in the following ? Magnesium cation (Mg2+), Chloride anion (Cl-),  Carbon -14(14C), and Tritium (3H)?

Q: which of the sub-atomic particles is commonly represented by this symbol:"e-"?

A: An ATOM is the smallest unit of ordinary matter that forms a chemical element. Every solid, liquid,…

Q: what is the atomic number for iron, calcium, potassium, oxygen, nitrogen, and hydrogen?

A: The ATOMIC NUMBER  of a chemical element is the number of protons found in the nucleus of every atom…

Q: what is the net charge of cysteine at pH 8.5? What is the net charge of lysine at pH 11.0? What is…

A: Cysteine is a polar amino acid with a thiol group in its side chain. Glycine is a non-polar amino…

Q: An ion has 15 protons, 16 neutrons, and 18 electrons. The symbol for the ion is 31P3+. 31P3-.…

A: An atomic number of an element is identified by the number of protons present in its atoms. The…

Q: Which among the four bonds is strongest? And which one is weakess? Explain.

A: Biomolecules are the substances present in living organisms that play important roles in chemical…

Q: How many electrons are in the outer shell of each of the following atoms?

A: Since, the question is incomplete, not provided with complete options, so here giving the…

Q: Which of the following substances will have the greatest lattice energy? MgS NaF MgO CaO

A: Lattice energy can be defined as the energy required to convert one mole of an ionic solid into…

Q: Look up antimony in the periodic table 1Z = 512. How many covalent bonds would you expect it to…

A: Antimony is a chemical element with symbol Sb and atomic number 51. It is lustrous grey metalloid…

Q: What are the formal charges present in in the ion CH3NH3+? Assume all atoms other an hydrogen have…

A: According to the question, we have to derive the formal charge of N and C in the ion CH3NH3+…

Q: он он CH, CH, CH NH O-C 0-CH, Identify/Name the noncovalent interaction between groups in the…

A: Solution   " O " - Hydrogen bond   It is primarily electrostatic force of attraction between…

Q: Which is the highest boiling point of 1-Octene or 1-nonene? Why?

A: Boiling points of alkenes depends on more molecular mass (chain length). The more intermolecular…

Q: Based on their electronegativity values, which of the following atom pairs will form an ionic bond?

A: Electronegativity refers to the ability of an atom to pull or attract electrons toward it.…

Q: Kevin was experiencing heartburn prior to his heart attack, for which he was taking an antacid…

A: In the antacid tablets, calcium carbonate acts as an active ingredient. This ingredient is…

Q: Given: 2KI +Pb(NO3)2 --> PbI2 + 2KNO3.  How many grams of lead (II) iodide are produced if 0.250…

A: 2KI +Pb(NO3)2 --> PbI2 + 2KNO3 Thus, 2moles of KI with 1mole of Pb(NO3)2 gives 1 mole of PbI2…

Q: What structure is indicated by the number 2 in the image below?

A: Question - what structure indicated by number 2 ?

Q: A student was asked to determine the activity of four unknown metals, W,X,Y, and Z. They are given…

A: As the student was asked to determine the activity the unknown metal WXY, and Z, which are treated…

Q: Why do the 3s, 3p, and 3d orbitals have the same energy in a hydrogen atom but different energies in…

A: According to the question, we have to explain why do 3s, 3p, and 3d orbitals have the same energy in…

Q: Which of the following happens in all chemical reactions (involving molecules) in all living…

A: Energy can be in any forms. Energy  has the ability to work. It can be converted into any forms.

Q: What factors can make a compound called as a salt? Specifywhich of the following compounds are…

A: An ionic compound made up of cation from the base wheras an anion from the acid are the factors that…

Q: Identify the conjugate acids and bases in the following pairs of substances. (CH3), NH / (CH3)3N…

A: An acid is a molecule that can donate a proton to the solution. The presence of acid in a water…

Q: Is starch soluble in water? How might that be helpful in determining the rate of reactivity? How…

A: Starch is a white, odorless, and tasteless substance. It is made up of glucose molecules which…

Q: Identify the conjugate acid-base pairs in the following reactions:    HNO2(aq)       +…

A: Acids are substances that give H+ ions.  The base is any substance that can accept a proton or…

Q: Which do you think has a higher boiling point, pentane or neopentane (2,2-dimethylpropane)? Why?

A: The boiling point is the temperature at which the pressure of the liquid changes to the state of the…

Q: Which element is likely to lose an electron more easily, Mg or S?

A: Valency of an element is the combining power or combining capacity of the element  with other atoms…

Q: Atomic number equals the number of 8 or Охудen Atomic mass equals the number of 15.999 8. 30 3 Li…

A: An atom refers to the smallest unit of matter. It comprises protons, neutrons, and electrons.…

Q: Chlorine is an element with the symbol Cl. Draw and label atomic structure of chlorine indicating…

A: ATOMIC STRUCTURE  The Atoms consist of three basic particles: Protons Electrons Neutrons The…

Q: How many electrons does fluorine have? How manyelectron shells? Name the orbitals that are…

A: Fluorine is a chemical compound with the symbol F and the atomic number is 9.

Q: What properties of metal ions make them useful cofactors?

A: Enzymes are known as biological catalysts that help to catalyze the different biochemical reactions…

Q: if a tomato juice has a pH of 3, how many more H+ ions are present in lemon juice with a pH of

A: pH = -log10[H+][H+] = 10-pH

Q: Element Z forms an ion Z 3+, which contains 31 protons. What is the identity of Z, and how many…

A: The boron family has elements in group 13 of the modern periodic table. It includes the semi-metal…

Q: Which of the following has the highest iodine content?  Which of the following has the lowest…

A: Fatty acid: These are the most common lipids. Based on the type of bonds they are classified into…

Q: For each of the following compounds, indicate the pH at which 50% of the compound will be in a form…

A: According to concept of acids and bases, an acid is defined as a substance that donates a proton (a…

Q: Exactly what causes the charges to form on atoms in ionic bonds?

A: Atoms lose or gain electrons to complete their octet.

Q: 1.1 Which of the following statements is true for the chemical depicted below?…

A: A hydrocarbon chain is an organic compound made up solely of carbon and hydrogen atoms linked…

Q: Which of the following plays the greatest role in chemical bonding number of protons in the valence…

A: chemical bonding is the interaction between two or more ions or atoms or molecules.  When the two…

Q: Which of the following is the cyclic form of an L saccharide? 1) II) CH2OH OH H CH2OH H H H OH H ÓH…

A: The preferred form of monosaccharides is a cyclic hemiacetal. 5 or 6 membered rings because of their…

Q: what subatomic particle is present in the nucleus of an atom?

A: The subatomic particles are present inside the atom.   Each subatomic particle has a unique charge…

Q: if the 3 to 1 transition has an energy of 1.94x10^-18 J what do you think the energy of the 1 to 3…

A:

Q: sample of KNO3 ( 225 g) is completely dissolved in water (250 g) at 333.15 K. The solution is…

A: Asked: mass of KNO3 (in g) will crystallize out of the solution at 273.15 K

Q: What is the energy of the X-ray photon emitted by a tungsten atom in the transition from an L- shell…

A: The K, L and M shell electron binding energies of Tungsten are as follows K shell binding energy =…

Q: Iodine has 37 known isotopes.  Therefore, the atomic mass has a range of 108-144 amu. Which of the…

A: Iodine is a trace element that is naturally present in some foods, added to others, and available as…

Q: What is a proton? A. A negatively charged particle B. A positively charged particle C. An element on…

A:

Q: Which of the following is a hydroxide ion?     H3O +     H +     H2O -     OH -

A: Hydrogen is defined as the chemical element, having the symbol H. It has the atomic number 1. The…

Q: Give the name of and symbol for an element with this number of valence electrons. a) 2 b) 6 c) 8

A: Valence electrons are the electrons which are present at the outermost shell. These electrons take…

Q: A nitrogen isotope with an atomic mass of 15, and an atomic number of 7, must have: 7 neutrons and…

A: Elements are the atoms which are present in the atmosphere, there are different elements present.…

Q: What is the mass number of an ion with 107 electrons, 157 neutrons, and a +1 charge?

A: Mass number  It is defined as total sum of protons and neutrons in an atomic nucleus. The protons…