The triple point of an element is at 75 torr and 125°C. This means that liquid is more dense than solid cannot exist at 1 atmosphere pressure cannot have a vapor pressure less than 75 torr cannot exist above 125 degrees Celsius What is the electron geometry (or electron arrangement) around an atom in a molecule or ion which is surrounded by three lone pairs of electrons and two single bonds T-shaped see-saw trigonal planar trigonal bipyramidal linear A red blood cell placed in pure water will swell because water moves from a higer osmotic pressure to a lower osmotic pressure the osmotic pressure is greater in the cell than in the water the osmotic pressure is the same in the cell and the water the somotic pressure is greater in the water than in the cell

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A: The chloride ion acts as an electrolyte and is present in all bodily fluids. It helps in the…

Q: Which of the following statements is not true concerning the three molecules shown below? A B I. The…

A: The molecules having the same molecular formula but the structural arrangement of atoms in the…

Q: Which of the following bonds are high energy? (select all that apply)

A: Bond energy - it is the requirement of the energy to break the a covalent bond formed between two…

Q: The atomic number of sulfur is 16, Sulfur combines with hydrogen by covalent bonding to form a…

A: Every element has smallest unit of matter called atom that retain the properties of an element.…

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 of the following items are pure elements—that is, made up of only one type of atom? Check all…

A: Our Earth is a planet that has abundant minerals. These minerals were formed as a result of the…

Q: Which of the following is a representation of a covalently bonded molecule that shows the relative…

A: Structural formula is generally used to describe the molecular structure of a chemical compound…

Q: Draw 2,2‑dimethylbutane. Show all hydrogen atoms. 2.)Draw 3‑ethylhexanoic acid. Draw the structure…

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Q: With the exception of He, elements with two valence electrons will be considered: O Metals…

A: A valence electron is an electron that is associated with an atom, and that can participate in the…

Q: Treatment of a tripeptide with phenyl isothiocyanate yields compound A and a dipeptide. Treatment of…

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Q: What is the basic units of matter and the defining structure of elements? a. Cell b. Atom c.…

A: Matter- It is any substance that takes up space, has volume and  has mass. It  exists in various…

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: Nitrogen’s atomic number is 7. Just from the atomic number, can you determine how many protons,…

A: The atomic number is by definition the number of protons, positively charged particles, contained…

Q: Many molecules are polar, yet they do not form significanthydrogen bonds. What is so unusual about…

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Q: What element does not react with other elements? Group of answer choices A. hydrogen B. helium C.…

A: Noble gases These are group 18 elements of the periodic table. They are usually chemically inert.…

Q: Arrange in order of increasing atomic size. (a) the period 2 elements Li, C, and F (b) the group…

A: According to the question, we have to arrange the following period or group elements in order of…

Q: The “octet rule” in chemistry helps predict the types of bonds thatatoms will form. In general, an…

A: An element tries to complete its octet. An element either donates an electron or accepts an electron…

Q: Draw a three-dimensional representation of the valence orbitals and their bonding for compound VII.…

A: The number of valence electrons in the elements present in the molecule: H : 1 N : 5  (one as lone…

Q: NaCI Sodium chloride Calcium sulfide Silver sulfide Zn,P, Zinc phosphide Al,0, Aluminum oxide ŚrCl,…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Chemical Formula Elements and Number of Atoms Model 1. H, 2. 0, CH, 5. NaOH 3. 4.

A: The Atom is the smallest unit of a matter that form an element. The atom contains electrons and…

Q: Draw a perfect G-quartet and label all the atoms

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Q: Which of the following elements would you expect to form (i) diatomic molecules, (ii) mainly…

A: (a) Oxygen exists as O2 in its elemental form. So, it is diatomic molecule. Its electro negativity…

Q: is the bond length of HF, which exhibits a rotational spectrum

A:

Q: ) Complete the following information about charge & are located charge & are located charge & are…

A: Electrons have a charge of -1 and are situated on the atom's perimeter. They are a fraction of the…

Q: If penguinium (element number 119) is ever discovered, what will its electrom configuration be?* O…

A: Introduction A Pure Substance Made Up Entirely Of Atoms With The Same Number Of Protons In Their…

Q: 16) An ion with six protons, seven neutrons, and a charge of 2+ has an atomic number of A) four B)…

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Q: Match the molecular geometry to its name. 1. Tetrahedral 2. Linear 3. Octahedral SUSMIT

A: Molecular geometry is the 3-D plan of the atoms that comprise a molecule. It incorporates the…

Q: Malnourishment results when there is

A: Malnutrition refers to obtaining deficient or an excessive amount of of sure nutrients. It will…

Q: If you add an electron to fluorine, what will result? A) a negatively charged anion O B) a different…

A: Anion: negatively charged ion. Cation: positively charged ion.

Q: Magnesium has an atomic number of 12 and an atomic mass of 24. Which of the following statements is…

A: Magnesium is a chemical element with the symbol Mg and atomic number 12.

Q: Compute the formal charge (FC) on each atom in the following structures  [H2CNH2]+

A: The formal charges are determined by counting the electrons that take part in each atom and compare…

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: In the periodic table, the elements are arrangedaccording to ________ .a. size c. mass numberb.…

A: A periodic table is a tabular table. It displays all the chemical elements in this table. Over time…

Q: Structural isomers, like leucine and isoleucine, differ from each other in which of the following…

A: Leucine and isoleucine are the amino acids present in human body naturally. These are non-polar and…

Q: Look up the valence electron configuration, covalent atomic radius, effective nuclear charge, first…

A: The valence shell electronic configuration of the p-block elements is ns2np1–6, and they are found…

Q: :N -Ö = F: I. Incorrect number of valence electrons II. Incorrect central atom III. Octet rule not…

A: Lewis structures also known as Lewis dot diagrams or electron dot structure are the diagrams that…

Q: (a) A homogeneous mixture which contains water as a solvent is called (b) Ni(CIO4)2-6H2O is hydrated…

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Q: Match the molecule with the correct geometry. Unit A page- 18 - Chemistry 20 38. tetrahedral 1…

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Q: How many oxygen atoms are in this molecular formula? 3H2 O

A: An atom is the smallest unit of any chemical element. They are made up of three particles namely…

Q: A molecule of water is formed when one atom of oxygen is covalently bonded with two atoms of…

A: Covalent bonds are formed by sharing of electrons. In the water molecule, there are two covalent…

Q: What is the Electron Geometry of a AB2C molecule? tetrahedral trigonal planar trigonal pyramidal…

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Q: Atomic Structure W Label the parts of an atom on the diagram below.

A: An atom is the basic unit of matter.

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: The following amine acids are given. SH CH3 *HạN-CH- ČH2 *H,N-CH- or Cysteine Alanine Draw…

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Q: an atom (to form cations) or adding electrons (to form anions). Ions are never formed by 1. It is…

A: electrically neutral: A net charge of zero, which occurs when an atom or molecule/compound has no…

Q: Compound A has molecular formula C7H7X. Its 1H-NMR spectrum shows a singlet at 2.25 ppm and two…

A: Nuclear Magnetic Resonance is an analytical method to elucidate the molecular structure of…

Q: [ Ionic cluster , covalent cluster , metallic cluster , hydrogen cluster , van der Waals cluster ]…

A: IONIC CLUSTER: When an ion is formed with the combination of two or more ions or atoms or molecules…