Multiple ChoiceA proton ___________:a) Has one positive charge.b) Has one AMU.c) Is found in the nucleus of the atom.d) Only a and b are true.e) a, b, and c are true.3312views67rankHas a video solution.
Multiple ChoiceThe average oxygen atom has a mass number of 16 and an atomic number of 8. This means that the number of neutrons in this oxygen atom is:a) 24.b) 8.c) 16.d) 4.e) 2.4696views50rankHas a video solution.
Multiple ChoiceHow many valence electrons does an atom with five total electrons have?a) 5.b) 7.c) 3.d) 2.e) 1.3268views41rankHas a video solution.
Multiple ChoiceWhich of the following is true about electron energy shells?a) They represent regions around the nucleus in which the electrons orbit.b) The shells closest to the nucleus contain electrons with higher energy.c) They contain electrons of the same energy.d) a and b only.e) a and c only.2812views38rankHas a video solution.
Multiple ChoiceA neon atom (Ne) is unreactive for which of the following reasons?a) It has 7 valence electrons.b) It has 8 valence electrons.c) Its valence shell is full of electrons. d) It has 20 valence electrons.e) b and c only.2693views27rankHas a video solution.
Multiple ChoiceHow many electrons does an Oxygen atom need to fulfill the octet rule by filling its valence shell?a) 8.b) 4.c) 1.d) 2.e) 6.2910views45rankHas a video solution.
Textbook QuestionDRAW IT Diagram the electronic configuration of a carbon atom.64viewsHas a video solution.
Textbook QuestionThe term trace elements refers toa. the elements CHONPS.b. vitamins.c. nitrogen, phosphorus, and sulfur.d. small mineral requirements.e. toxic substances.70viewsHas a video solution.
Textbook QuestionUsing the periodic table, answer the following questions:a. What is the atomic number for lithium (Li)?b. What is the atomic mass of oxygen (O)?c. What is the chemical symbol for potassium?d. How many protons does nitrogen have?e. How many neutrons does lead have?46viewsHas a video solution.
Textbook QuestionWhat ions result when hydrogen donates one electron to fluorine?41viewsHas a video solution.
Textbook QuestionWhich of the following structures have no electrical charge?a. protonsb. electronsc. neutronsd. ions15viewsHas a video solution.
Textbook QuestionThe atomic mass of an atom most closely approximates the sum of the masses of all its __________.a. protonsb. isotopesc. electronsd protons and neutrons13viewsHas a video solution.
Textbook QuestionThe outermost electron shell of an atom is known as the _____________ shell.14viewsHas a video solution.
Textbook QuestionThe principal short-term energy storage molecule in cells is __________ .12viewsHas a video solution.
Textbook QuestionWhich of the following can be most accurately described as a decomposition reaction?a. C₆H₁₂O₆ + 6 O₂ → 6 H₂O + 6 CO₂b. glucose + ATP → glucose phosphate + ADPc. 6 H₂O + 6 CO₂ → C₆H₁₂O₆ + 6 O₂d. A + BC → AB + C14viewsHas a video solution.
Textbook QuestionOrganisms typically make use of phosphorus in the form of _____.15viewsHas a video solution.