Q: Molecules that have the same formula but a different structure are called what? Why does a different…
A: Elements are chemical compounds that have the same number of atoms. Chemical compounds are made up…
Q: Which four elements occur in virtually all biological molecules?
A: The biological molecules are comprised of carbohydrates, fats, proteins, and nucleic acids. All…
Q: Identify the names of the following structure. (with alpha/beta and L-D designation) CH,OH CH2OH OH…
A: The D and L forms are isomers and form mirror images. The orientation of -H and -OH groups on the…
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: How are mass number and atomic number derived? What is the atomic mass or weight?
A: Mass number is the total number of protons and neutrons in an atomic nucleus. Atomic number is the…
Q: How many total atoms are in (NH4)3PO4
A: An atom is the smallest unit of matter.
Q: How does the bond energy of a double bond compare to that of two single bonds between the same…
A: Bond enthalpy or bond energy is the amount of energy needed to break 1M of the stated bond. For…
Q: If you are told you have an element with an atomic number of 16 and its in group VIA. What does this…
A: In modern periodic table sulphur has atomic number 16 and it is a group VIA element.
Q: Which electron shell is the valence shell of an atom, and what is its significance?
A: Electrons can be defined as the negatively charged particles of an atom. All electrons of an atom…
Q: what are the parts of an atom located? What is the structure? what are these subatomic particles…
A: The structure, parts and subatomic particles of an atom.
Q: How many atoms do we have?
A: There are number of factors that determine the trace of atoms in an human being ,such as…
Q: What does the atomic mass of an element represent?
A: Elements Element is the basic fundamental part of matter which is the basic unit of every matter…
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: Magnesium atoms lose two electrons when they react. Write the symbol of the ion that is formed. Is…
A: Magnesium is a chemical element with the symbol Mg and atomic number 12. It is a shiny gray solid…
Q: What is the difference between a Polar covalent bond and non polar covalent bond?
A: The nonpolar covalent bond is a type of bond which occurs between two atoms that share a pair of an…
Q: What does the atomic number tell us about an atom
A: The atomic number which is denoted by Z of a chemical element uniquely identifies the chemical…
Q: How many electrons must a nitrogen atom, Z = 7, gain to attain a noble gas configuration?
A: According to the Bohr concept of atomic structure, every atom gain or lose one or more electrons to…
Q: The atomic mass number of an atom is determined by the sum of the number of in the atom. (a) protons…
A: The total number of neutrons and protons in an atomic nucleus is called atomic mass number.
Q: Elements have varying numbers of protons, neutrons, and electrons.True or false?
A: Atom is the smallest particle of an element that is composed of subatomic particles such as,…
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: Many molecules are polar, yet they do not form significanthydrogen bonds. What is so unusual about…
A: Chemical bonds tie together molecules and establish transient links, which are important for life,…
Q: Explain the boiling point of a compound ?
A: The melting point is the temperature when a solid substance is starting to convert into liquid. The…
Q: What is the maximum number of electrons in the 1s orbital of an atom?
A: In this question, we have to answer the maximum number of electron found in 1s orbital.
Q: How does the atomic structure or composition of the versions of sodium in question C above differ…
A: According to the question, We have to explain how does the atomic structure or composition of the…
Q: What is the surface of Mercury like?
A: Hello, thank you for your question, We are helping you with answer.
Q: How many of the carbons in the following structure are stereocenters?
A: Stereocenter is defined as a point in a molecule where altering the bonded atoms leads to the…
Q: How does an ionic bond differ from a covalent bond?
A: A chemical bond is a durable attraction between atoms, ions or molecules that allows the formation…
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: Where within an atom are the three types of subatomic particles located?
A: Atom is composed of tiny subatomic particles called protons, neutrons, and electrons.
Q: How does the bonding involved in a compound (nanoscopic interactions) influence the macroscopic…
A: A chemical bond is an attraction between atoms. This attraction may be seen as the result of…
Q: What is the atomic number of an atom that has 6 protons, 6 neutrons, and 6 electrons?
A: An atom is the smallest unit of any matter. This means that all gases, solids, liquids, and plasmas…
Q: what is a weak bond between hydrogen atom with a partial positive charge(usually O or N) and…
A: Chemical bonds. In biology, there so many types of bond which help to bind atoms, molecules,…
Q: How many electrons does a neutral Chlorine (Cl) atom have in its outermost electron shell?
A: The negatively charged sub-atomic particles of an present, present inside its nucleus are known as…
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 are the monomers?
A: “Since you have asked multiple question, we will solve the first question for you. If you want any…
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: What is the approximate atomic mass of an atom with 16 neutrons, 15 protons and 15 electrons?
A: Atomic mass is described as the number of protons and neutrons in an atom.
Q: What is the classification of the following structure? O A. Primary Alcohol O B. Secondary Alcohol…
A: The chemical substances which are composed of molecules formed from an atom or more than one atom…
Q: How many potential stereoisomers exist for the following molecule? OH A) 3 B) 6 C) 8 D) 11 O A B D
A: Stereoisomerism or spatial arrangement is form of isomerism in which molecules have the same…
Q: what makes Isotopes of an element different from one another?
A: Isotopes have variation in number of neutrons they posses but number of protons and electrons remain…
Q: Which are the Major Elements: 99.3% of Total Atoms in the Body?
A: The major elements that make up 99.3% of the body are carbon(C), Hydrogen(H), Oxygen(O), and…
Q: What is a coordinate covalent bond, and how does it differ from a covalent bond?
A: A chemical bond is defined as the attraction between the atoms, molecules or ions that form chemical…
Q: What is structure formula of:
A: IUPAC name - Tert-butylcyclohexane
Q: Which of the following Fischer structure is repres structure? CHOH
A: The Fischer and Haworth projection are the two different ways to represent the organic molecules. As…
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…
How many electrons are in the outer shell of each of the following atoms?
Step by step
Solved in 2 steps
- How many total atoms are in (NH4)3PO4Arrange the elements Na, Si, and S in the order of(a) decreasing atomic radius.(h)increasing first ionization energy.How does the atomic structure or composition of the versions of sodium in question C above differ from a typical sodium atom, with its atomic mass of 23?
- (1) Identify the chiral atoms, if any, with an asterisk (*) in the following compounds. HO Н CH OH Н ОН H Н ОН Н ОН Н HO CH OH Н ОН Н Н ОН Н ОНElement Z forms an ion Z 3+, which contains 31 protons. What is the identity of Z, and how many electrons does Z3+have?Exactly what causes the charges to form on atoms in ionic bonds?
- How many electrons does a neutral Chlorine (Cl) atom have in its outermost electron shell?Look up the valence electron configuration, covalent atomic radius, effective nuclear charge, first ionization energy and Pauling electronegativity in Chapter 8 (tables are attached). Examine the above data and answer the following questions. a) Explain why some of the elements like TI and Pb on the lower left of the p block are metallic. b) Explain why some of the elements like C, Si in the center of the p block form covalent bonds. Explain why these bonds formed by the network of these elements (as studied in Chapter 25) tend to be unreactive. c) Explain why the noble Group 8A elements are highly unreactive gases. d) Explain why some elements like F, CI, Br etc, on the upper right of the p block are highly reactive nonmetals.In which of the following pairs is the first element expected to have a higher electronegativity than the second? (1 Point) O O, P O Cs, Rb O I, Br Al, P
- How many of the carbons in the following structure are stereocenters?Look up antimony in the periodic table 1Z = 512. How many covalent bonds would you expect it to form? Based on this information, which of the following antimony compounds is covalent and which is ionic: SbCl3 or SbCl5?When two atoms share a pair of valence electrons with different levels of electronegativity, what type of bond is this?