Free radicals are highly reactive molecules that often contain ________. They are reactive due to the presence of a single ________ that can cause a chain reaction of free radical formation.

Q: two atms of an element have the same number of  protons electrons plus neutrons protons plus…

A: Atoms are the smallest constituent unit of ordinary matter that has the properties of a chemical…

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: When X-rays penetrate cells, electrons are ejected from atoms of molecules. Stable molecules can be…

A: X-rays or X-radiation is a type of electromagnetic radiation. They are used for imaging the body…

Q: High kinetic energy leads to the disruption of hydrogen bonding and hydrophobic attraction. These…

A: High temperature increases the kinetic energy and leads to the disruption of the hydrogen bonds and…

Q: A positively charged atom has _____. gained protons gained electrons lost electrons lost protons

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

Q: Fill in the blank, the parentheses are the choices for the blank: When a sodium atom loses a single…

A: Atom is neutral because it contains an equal number of protons and electrons. When an atom accepts…

Q: If you took a sample of a particular element and found that one group had a specific number of…

A: 1. The atomic number of an element is the number of protons in the nucleus of an atom of the element…

Q: number of protons to number of neutrons ratio in

A: Every element in the universe has a proton, neutron, and electron. The number of protons is similar…

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: Radioactivity is a phenomenon of the spontaneous emission of: A. protons (alpha particles)…

A: Radioactivity is the physical process of spontaneous atomic nucleic transformations. Mother, or…

Q: Give the number of valance and core electrons for each. Valence electrons are from the group number.…

A: Valence electrons  are the one that occupies  the outermost shell or highest energy level of an atom…

Q: When X-rays penetrate cells, electrons are ejected from atoms of molecules. Stable molecules can be…

A: X-rays  X rays are the high frequency electromagnetic radiation and con not be seen. The frequency…

Q: The mass number of an atom depends primarily on the number of protons and neutrons. positrons.…

A: An atom is the smallest unit of any matter. It has three subatomic particles; neutrons, protons, and…

Q: Hydrogen will react with other atoms to get eight electrons in its outer energy level. True or false

A: hydrogen is an important atom in biology. Many of water's crucial, life-sustaining characteristics…

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: H-c- The reaction at the top, which is occurring where the blue circles are, is a [ Select]…

A: Introduction: Dehydration reaction Glycerol Palmitate (saturated fatty acid) Triacylglycerol Does…

Q: In general, electrons far from the nucleus have more potential (chemical) energy than electrons…

A: The lowest energy would be in electrons nearest to the nucleus. Higher energy will be provided to…

Q: A molecule that loses an electron to a free radicala. becomes more stable.b. becomes electrically…

A: A molecule is generally formed by the chemical bonding of two or more atoms. The smallest particle…

Q: Which of the following equations is correct?   options:   FAD+ + 2 electrons à FADH2   FAD + 2…

A: Answer -- FAD + 2 electrons + 2 protons à FADH2

Q: Which of the following reactions will occur only if coupled to a second, energetically favorable…

A: The occurrence in the cell allows one reaction to couple with another reaction, one of which is…

Q: ENZYMES & FUNCTIONAL GROUPS Name: 1. Enzymes can change their shape and still do their job (helping…

A: Enzymes are proteinaceous compounds that increase the rate of the reaction. They do so by lowering…

Q: What has occurred to this molecule to cause it to change as shown in the diagram? Covalent bonds…

A: Double-stranded DNA is the genetic material present in most organisms. In a double-stranded DNA, two…

Q: Location Subatomic Charge Particle Mass (AMU) Proton Neutron Electron

A: The Gold Foil Experiment by Rutherford involves the firing of alpha particles through the gold leaf.…

Q: Label the different types of phases shown in the picture

A: Mitosis Mitosis is the division phase of a cell cycle. In this phase of the cell cycle, the cell…

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: by some type of radiation? Explain step by step with diagrams, physics, chemistry and biology

A: Free radicals are molecules with unpaired electrons. If they are formed and are not removed inside…

Q: What type of chemical reaction is shown below? HO Monomer 1 Monomer 2 + он но Monomers linked by…

A: Conjunction/combination reaction: Its is combining reaction where two or more molecules combine or…

Q: Click on ALL of the characteristics that describe an ELECTRON. Positive (+) charge The number of…

A: Answer :-  - The number of this subatomic particle is known as the atomic mass. - Negative (-)…

Q: After completing each reaction, did you have any atoms left over? Why or why not

A: A chemical reaction occurs when one or more substances, known as reactants, are converted into one…

Q: Consider the given image. What type of interaction is depicted by the dotted line in the given…

A: The non covalent interactions that are responsible for folding of proteins are hydrogen bonding,…

Q: BIOMOLECULES - MULTIPLE CHOICE - Please answer properly QUESTION : 1. What is the process called…

A: A fatty acid is a carboxylic acid with a long aliphatic chain that can either saturated or…

Q: Click on ALL of the characteristics that describe a PROTON. Found in the orbitals surrounding the…

A: option 2 ) Proton is a positive charge  option 3) the number of subatomic particle is known as…

Q: Which of the following is NOT a subatomic particle? molecule neutron O proton electron

A: Subatomic particle - Any particle that is smaller than atom is called subatomic particle. Subatomic…

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: Sort the subatomic particles according to their masses. Drag each subatomic particle into the…

A: Neutron is a subatomic particle that has no charge and has a mass slightly greater than the proton.…

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: How do enzymes work to speed up chemical reactions within a cell? They increase the ∆G (change…

A: Enzymes are known as catalysts as they enhances the chemical reactions (not being a reactant).

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 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: List three of the five ways in which a nuclear reaction differs from a chemical reaction.

A: Nuclear reaction : It is semantically considered to be the process in which two nuclei, or a nucleus…

Q: A sunburn is a familiar example of the effect of ionizing radiation, like ultraviolet light, where…

A: The "flow of energy" in the ecosystem is one of the most important aspects of the survival of such a…

Q: Fill in the blanks. The parentheses are the choices for the blanks. A water-requiring chemical…

A: A chemical reaction is a process that involves rearrangement of the molecular or ionic structure of…

Q: What type of bonding is likely to occur between two water molecules or strands of DNA? Multiple…

A: Hydrogen bonds occur in inorganic molecules, like water, and organic molecules, like DNA. The two…

Q: please answer the question provided on the picture

A: Biological processes are the process that is required for the survival of an organism. These…

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: Which of the following statements are correct? Explain your answers.A. An atomic nucleus contains…

A: Since the atom and nucleus were discovered. The bonding of a proton and a neutron, a proton and a…

Q: Using collision theory, indicate which of the following statements regarding physical nature of the…

A: Collision theory states that for a chemical reaction to occur the molecules must collide with…

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…