Trace elements are those required by an organism in only minute quantities. Trace elements are those required by an organism in only minute quantities. 44) What is the maximum number of hydrogen atoms that can be covalently bonded in a molecule containing two carbon atoms? B) iodine. calcium . Which of the following is a trace element that is required by humans and other vertebrates, but not by other organisms such as bacteria or plants? iodine: The reactivity of an atom arises from: the existence of unpaired electrons in the valence shell. However, iodine is an element that works as an antiseptic, which means it kills microbes, penetrating the cell wall and inactivating cell components, its use in medicine is well known. Which of the following is a trace element that is required by humans and other vertebrates? They have the same number of electrons in their valence shell. A) nitrogen B) calcium C) iodine D) sodium E) phosphorus Iodine can kill the bacteria. iodine . phosphorus. sodium . In ammonium chloride salt (NH4Cl), the anion is a single chloride ion, (C1-). (D) Which of the following is true for this reaction? Q1Trace elements are those required by an organism in only minute quantities. compounds that have polar covalent bonds. 1) Trace elements are those required by an organism in only minute quantities. A) iodine B) phosphorus C) calcium D) nitrogen E) sodium 16) Trace elements are those reguired by an organism in only minute quantities. 3)Virtually all organisms require the same elements in the same quantities. 1 decade ago. Which two criteria must be met before scientist can use radiocarbon dating? Which of the following is a trace element that is required by humans and other vertebrates, but not by other organisms such as bacteria or plants? Which four of these twenty-five elements make up approximately 96 percent of living matter? d. sodium . Nutritionally deficits of these elements are considered a public health problem. Which of the following is a trace element that is required by humans and other vertebrates, but not by other organisms such as bacteria or plants? E) All of the other statements are true and correct. C) sodium. Trace elements are those required by an organism in only minute quantities Which of the following is a trace element that is required by humans and other vertebrates? a surface coated with a thin film of vinegar (acetic acid), In a single molecule of water, two hydrogen atoms are bonded to a single oxygen atom by. Which of the following is a trace element required by most living organisms? a. elements b. ions c. aggregates d. isotopes e. molecules Q3 if an atom of … Which of the following effects is produced by the high surface tension of water? 1,000 calories, or the amount of heat required to raise the temperature of 1 kg of water by 1°C. There is a liquid capsule inside a cup full of liquid. It is useful for the production of the thyroid hormone. e. phosphorus ____ 3. Each hydrogen atom has a partial positive charge; the nitrogen atom has a partial negative charge. 2) Trace elements are those required by an organism in only minute quantities. 1) Trace elements are those required by an organism in only minute quantities. Which of the following is a trace element that is required by humans and other vertebrates? which of the following properties is common among elements in the same column of the periodic table ? Without these elements, life would not exist. C) Virtually all organisms require the same elements in the same quantities. Which of the following statements about the atoms in ammonia (NH3) is correct? C) sodium. b. calcium . given only a mass number, one can deduce the number of__________in each atom of an element. Although required in very small amounts, trace elements such as iron, iodine, fluoride, copper, zinc, chromium, selenium, manganese and molybdenum are vital for maintaining health. Two atoms that have the same mass number must have the same. MgCl2, in which atoms are joined by ionic bonds. a covalent bond is likely to be polar when ? element that is required by humans and other vertebrates? Trace elements are those required by an organism in only minute quantities. Which of the following molecules contains the most polar covalent bond? chemical equilibrium is described by which of the following statements ? Each trace element has an optimal concentration range, and many of them produce disease by excess and by default. ____ 2. The most stable interaction between magnesium (atomic number 12) and chlorine (atomic number 17) forms which of the following molecules? Which of the following is a trace element that is required by humans and other vertebrates, but not by other organisms such as bacteria or plants? which of the following properties is shared by elements in the same row of the periodic table ? SamC. transfer of an electron from one atom to another. Which of the following are the strongest molecular interactions? outer-shell electrons of two atoms are shared so as to occupy the outer electron shells of both atoms. (D) Which of the following is true for this reaction? When two atoms are equally electronegative, they will interact to form, unequal sharing of electrons between atoms will result in which of the following interactions. Which of the following is a trace element that is required by humans and other vertebrates, but not by other organisms such as bacteria or plants? c. iodine . Favorite Answer. and contribute 10 documents to the CourseNotes library. Carbon accounts for about 50 percent of the composition of the cell. 1 decade ago. Which of the following is a trace . D) carbon, hydrogen, nitrogen, oxygen 2) Trace elements are those required by an organism in only minute quantities. A) nitrogen B) calcium C) iodine D) sodium E) phosphorus Hydrogen bonds stabilize and keep the molecules of ice farther apart than the water molecules of liquid water. 4) Which of the following is primarily responsible for the unique chemical properties of each element? The atomic number of calcium is 20. a.nitrogen b. calcium c. iodine d. sodium e. phosphorus Q2 what do atoms form when they share electron pairs? which four of the 92 naturally occurring elements make up approximately 96%of the mass of the human body ? C) sodium. B) The trace element iodine is required only in very small quantities by vertebrates. B) iodine C) sodium D) phosphorus One mole (mol) of glucose (molecular mass = 180 daltons) is . Question sent to expert. the nitrogen atom has a mass number of 15 and an atomic number of 7. the left-to-right position of an element in the first three rows of the periodic table indicates which of the following properties of the elements? Met before scientist can use radiocarbon dating seafood are the major element all... Water by 1°C all macromolecules: carbohydrates, proteins, nucleic acids, lipids, and 100 two! Outer-Shell electrons of two atoms that have the same quantities cookies by setting the necessary in...: trace elements are those required by an organism in only minute quantities atom to another and leaves cell! Register for the production of the following correctly describes any reaction that has reached equilibrium... 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