Which statement about carbon is true? Group of answer choices Carbon has 4 valence electrons. Carbon can form 2 double bonds with other atoms by sharing two pairs of electrons with each. In HCN, carbon shares

Q: An atom that has lost or gained one or more electrons iscalled a(n)______ . If an atom loses an…

A: All compounds are made up of atoms. In order to get stability an atom can lose or accept electrons.…

Q: The number of protons in a neutral (no charge) atom equals the number of O elements. electrons. O…

A: An ion is a an atom or molecule which is charge, either positively or negatively, based on the…

Q: Lare molecules with the same molecular formula but different structure and function. Isotopes…

A: Molecular structure of a compound determined if physical and chemical properties. Chemical…

Q: Fill in the blanks ______ sigma bonds and ______ pi bonds are in CO2 molecule Blank A: 5,2,1,3,0,6,4…

A: INTRODUCTION Carbondioxide This is an acidic colorless gas with a density greater than air.

Q: Which sample contains the greatest Number of Molecules ? [H=1 , c=12 ,O=16]  4 gm Hydrogen  18 gm of…

A: A molecule can be defined as the group of two or more atoms. Some of the most common examples are…

Q: Which of the following is an example of a hydrogen bond? the bond between the H of one water…

A: The molecules of different elements present around us show different kinds of interactions with each…

Q: Life on earth is often described as being carbon-based. What are some of the properties of the…

A: All life on Earth is carbon-based as we understand. In layman's terms, this indicates that carbon is…

Q: Fats have the most potential energy of all the biomolecules because they have the most…

A: Fatty acid organic acids with a long hydrocarbon chain ending with carboxylic group.

Q: At pH=2.2, which of the following is true СООН ÇO0 Ç00 CO0 H,N-CH H3N-CH H,N-CH H2N-CH CH2 pK, CH2…

A: The given amino acid is glutamic acid. Glutamic acid is an acidic or negatively charged amino acid.…

Q: Which atoms are involved in forming intrachain hydrogen bonds in order to produce a helical…

A: NOTE: Since you have asked multiple question, we will solve the first question for you. If youwant…

Q: What happens to a molecule that is reduced during a chemical rxn?   a) gains an oxygen b) becomes…

A: During a chemical reaction, the reactant molecules undergo changes in their external electronic…

Q: If you added one more proton to an atom of iron, then what element would it become?   A. Cobalt   B.…

A: Proton carries a positive electrical charge and they alone determine the nucleus charge.Hence adding…

Q: What about Hydrogen? Since Hydrogen (H) has one proton, it only has one electron. That means that…

A: Hydrogen in a unique element because of the presence of only single electron in its valence shell.

Q: CO2 is a has elements and its atoms are linked together by bond Select one: O a. Element, three,…

A: Carbon is the most abundant and essential element found in living organisms. All the biomolecules…

Q: Like oxygen sulfur forms to covalent bonds. However sulfur is far less electronegative. In fact it…

A: A biomolecule is defined as the molecule and ions present in organisms. Biological molecules are…

Q: Explain why two identical atoms joined by a covalent bond cannot form a hydrogen bond.

A: Electronegativity, is the tendency of an atom to attract shared electrons (or electron density) to…

Q: Carbohydrates and fats are considered high energy foods because They are easily reduced .a o They…

A: As a result of higher extents of C-H securities and low extent of oxygen, lipids store two fold the…

Q: The heme group, part of the protein globin, contains a carbon-ring structure that holds oxygen for…

A: Hemoglobin is a protein present in the red blood cells (RBCs). Hemoglobin comprises heme (iron) and…

Q: ___________ covalent bonds are between atoms which share the e- equally. Atoms will vary in their…

A: A covalent bond consists of the mutual sharing of one or more pairs of electrons between two atoms.…

Q: Which of the following statements is NOT true of biological organic molecules?   None of the other…

A: A complex molecule that is primarily made of carbon atoms bonded with other elements and/or other…

Q: etermine the molecule which is most likely to have carbon, hydrogen, oxygen, nitrogen and…

A: Numerous macromolecules are needed by our body in order to sustain the metabolic pathways and…

Q: acids: basic building blocks of protein molecules. acid: a nucleic acid; the master copy of an…

A: Nucleic acids - These are biomolecules which make up the genetic material of the cell. They are made…

Q: The diagram below shows the bonds within and between three molecules. Of the labeled bonds, which…

A: 2 and 4 are the hydrogen bond . hydrogen bond is a primarily electrostatic force of attraction…

Q: Carbon has several isotopes including 12C and 14C. These isotopes differ in the number of: O a.…

A: When two or more atoms of same element have the same atomic number (number of protons or number of…

Q: Which of these is not a characteristic of carbon?   Select one: A.  Can form long chains B.…

A: Ans: D Is sometimes ionic

Q: Why is carbon such an important molecule for life? It is part of the water molecule It readily forms…

A: Carbon - Atomic number- 6 Valency- +4 Electronic configuration- 2,4

Q: For numbers 21-22, refer to the image given below. CH3CH2-0-H + H* 21. What type of bond will be…

A: Alcohols, just like water, are both weak bases and weak acids. The acid ionization constant of…

Q: Which of the following is the only option that does not have atoms? O carbon dioxide O organic…

A: Atom is the smallest unit of matter that form a chemical element and they are present in every…

Q: 6

A: Bond is the force of interaction between two atoms present in a molecule.

Q: The figure below shows five water molecules. The hydrogen bonds shown in this figure are each (-)…

A: H-bonding is considered as the weak bonding interactions.

Q: Which of the following statement is false? * Hydrocarbons contains hydrogen and carbon atoms…

A: Hydrocarbons are organic compounds and mainly used as combustible fuel source.

Q: List the 4 biological molecules and some examples of each. What elements make them up? List the…

A: Molecules are composed of either two or more atoms possessing a neutral charge. These atoms forming…

Q: How many carbon atoms are there in the longest chain? Br seven O eight nine none of the above

A: The naming of an organic compound is primarily done on the basis of identification of its longest C…

Q: The molecules for fossil fuels like gasoline, diesel, and natural gas are made only of carbon and…

A: A term different than that of the IUPAC name that is commonly used in trade, rules, and codes to…

Q: Which statement best describes why there is a wide variety of organic molecules? The number of…

A: Organic molecules are those molecules that contain carbon. There are four organic molecules that are…

Q: why is water considered a polar molecule? 1.the oxygen is found between the two hydrogens 2.its…

A: Water is the main component of earth and all living organisms in the planet. It is transparent,…

Q: What happens in a dehydration reaction Select one: a. Double bond is converted to single bond b.…

A: Chemical reactions are irreversible reactions that lead to the conversion of one or more reactants…

Q: Oxygen is reduced - gains H atoms (protons and electrons)  and is converted to _____

A: Oxidation- reduction reaction is also called as redox reactions. It is a type of chemical reaction…

Q: The slight positive charge of a hydrogen atom in one water molecule is drawn to the slight negative…

A: Opposite charges attract one another.

Q: The number of protons in a neutral (no charge) atom equals the number of ions. isotopes. neutrons…

A: An ion is a an atom or molecule which is charge, either positively or negatively, based on the…

Q: Which of the following elements is mismatched with its properties or function? (a) carbon—forms the…

A: Answer : All of the above are correctly matched.

Q: What makes Carbon so important to life?  Think organic compounds and the properties of Carbon.

A: Organic compounds are the basis of Earth's carbon cycle, by which biogeochemical processes ensure…

Q: _____________bonds hold hydrogen to oxygen within a water molecule, while ___________ bonds attach…

A: A water molecule consists of 2 hydrogen atom and 1 oxygen atom .

Q: An Element from Group 5A and Group 6A shared a Chemical Bond. This entails that ____________ .…

A: Chemical Bond refers to the making of a chemical bond between 2 or more atoms, molecules, in order…

Q: Abundant trans bonds make partially hydrogenated vegetable oil a very unhealthy food choice.…

A: Hydrogenation is a process which converts liquid vegetables oil into soild fat.

Q: Which of the following combinations describes the electron in the modern model of an atom? Onegative…

A: Atom It is a particle of matter that constitutes the nucleus and the orbits. The nucleus contains…

Q: How is a covalent bond formed?    A. two atoms share two pairs of electrons B. two atoms share two…

A: Bonds are interaction between chemical species like atoms , molecule or ions to form a stable…

Q: How could you describe the changes that happen when carbon changes form from graphite to diamond? Ot…

A: Graphite is soft and is composed of carbon atoms arranged in layers of 6 membered hexagonal rings.…

Q: Another fossil-fuel gas used in cooking appliances is "propane", used commonly in backyard grills…

A: Introduction A Fossil Fuel Is A Hydrocarbon-containing Substance Generated Underground From The…

Q: The molecule shown below is NH2 HO N. Но но

A: Deoxyribonucleic acid (DNA) is a molecule comprised of two polynucleotide chains that wrap around…