Q: Rank the elements according to their metallic character. Most metallic Least metallic Answer Bank Si…
A: • As we move from top to bottom in a group, the atomic size increases and hence, the ionisation…
Q: The element N-15 has: Group of answer choices a) 7 protons, 8 neutrons, and 15 electrons b) 7…
A: The given element is N-15: The atomic mass (Z) of N is 7. The atomic mass (A) of the N is 15. The…
Q: An electron configuration of 1s2 2s2 2p6 3s2 3p6 4s2 represents which element? Group of answer…
A: Answer:- This question is answered by using the simple concept identification of element using…
Q: 5. Without using a periodic table or any other references, fill in the correct box in the periodic…
A: Periodic table represents the systematic arrangement of elements in which the properties of these…
Q: Which of the following elements would you expect to lose one electron? Select one or more: a.…
A: There are different groups in the periodic table like alkali metals ,alkaline earth metal…
Q: Complete each ionization equation. Express your answer as a particle or a chemical formula. 1)…
A: Magnesium loses two electrons and forms magnesium ion. Barium loses two electrons and forms barium…
Q: How many core electrons are in the Mg atom? Enter a whole number into the box below.
A: The core electrons are the electrons that are present in the shell other than the valence shell of…
Q: An atom has electrons that fills up the shells from n=1 until n=3. What is the maximum number of…
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Q: Compute the charge of the following ions. 1.) Ion with a charge of -2 2.) Ion with a charge of +5
A: An electron is a subatomic particle with an electric charge equal to 1.602 × 10-19 coulomb in…
Q: Isotopes are atoms of same element with same atomic mass and different atomic numbers. Select one:…
A: Answer : isotopes are atoms of same element with same atomic mass and different atomic number is a…
Q: Match the following elements with their possible number of protons and electrons. Column A Column B…
A: The elements are matched with a suitable number of protons and with number of electrons.
Q: The 6th Shell of an atom has a maximum capacity to contain 36 electrons. Select one: True False
A: The nth Shell of an atom has a maximum capacity to conatain electrons is = 2n2
Q: Identify the element, with name and chemical symbol, that has a mass number of 23 and an atomic…
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Q: If you remove two protons and two electrons from a sulfur atom (S), what new element is formed?…
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Q: QUESTION 5 Orbital shells of an atom: contain electrons and are found in the nucleus contain protons…
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Q: The 5th Shell of an atom has a maximum capacity to contain 32 electrons. Select one: True False
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Q: What is the MAXIMUM number of electrons that can be contained in the 5th shell of an atom? (not…
A: The long form of the periodic table is a tabular arrangement of all known elements. Here the…
Q: Determine the number of protons and electrons in each of the following. Enter your answers…
A: Number of protons = Atomic number of the element
Q: completes the 5s sublevel. Express your answer as a chemical symbol. has one electron in the 2s…
A: An element that completes 5s subshell is strontium. The chemical symbol is Sr. The electron…
Q: The 5th Shell of an atom has a maximum capacity to contain 25 electrons. Select one: True False
A: The maximum electron capacity of a shell = 2n2, where n = number of the shell.
Q: This question has multiple parts. Work all the parts to get the What is the maximum number of…
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Q: In a mass spectroscope, what causes the atoms of an element to follow the curved path of the…
A: In mass spectroscopy, the gaseous sample molecules are converted into charged particles by the ion…
Q: Draw a model of a nitrogen (N) atom. The atomic number of N is 7. How many electrons are in an…
A: Electronic configuration is defined as arrangement of electrons in shell, subshell and orbitals.
Q: Which of the following statements accurately describes electrons? Multiple Choice They are found…
A: As per Bartleby guidelines, tutors are allowed to answer first three multiple choice questions.…
Q: 23 Multiple Choice "Which of the following are reasons why it must only be electrons that move when…
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Q: Select the BEST answer. A Se atom has a smaller atomic radius than a Ca atom because ___________.…
A: Radius depends on attraction of electrons by nucleus. When the number of protons increases the…
Q: Which of the following statements about quantum mechanics is NOT correct? a Electrons are…
A: According to the Quantum mechanical theory- • Electrons are negatively charged particles. •…
Q: Which of the following is NOT true of electrons? Group of answer choices 1. they have a negative…
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Q: Cl, Br, Se Which atom has the highest IE1? Cl Br Se Which atom has the lowest IE1?…
A: Ionisation energy is the minimum energy required to remove one valence electron from it's most outer…
Q: Which element will likely hold its electrons most weakly? Group of answer choices A. rubidium (Rb)…
A: The ionization energy is the energy required to remove an electron from an atom in gaseous phase.…
Q: /hich of the following correctly lists the five atoms in order of increasing size (smallest to…
A: The question is based on the concept of Atomic size. we have to arrange the given atoms in…
Q: Sort the images below to show which images depict the loss of an electron, which depict the gain of…
A: The below image represents the change of an atom to a positive ion. A positive ion is formed by the…
Q: Which element has 8 valence electrons? Group of answer choices helium neon oxygen potassium
A: An atom is composed of mainly 3 components, electrons, protons and neutrons. Protons and neutrons…
Q: Which atom contains exactly 15 protons? Select one: a. O-15 b. N-15 c. S-32 d. P-32
A: The atomic number of O, N, S and P is 8, 7, 16 and 15 respectively.
Q: Complete the following sentence: 12C and 13C are uncharged atoms with the same ___ . atomic…
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Q: arrange the elements in order of decreasing atomic radius : Osmium, Platinum,Lead by drawing the…
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Q: Directions: Give the charge of the atoms. 1. 2. + + ++ ++ 3. + + + + ++
A: The number of protons and electrons in ions are given as,
Q: Does any element with ZS 92 match the description? If you checked yes, give the symbol of an element…
A: Periodic table is the arrangement of elements in a systematic way based on their physical and…
Q: Match each property to the appropriate subatomic particle. Drag each property into the correct bin.…
A: • symbol e = electron • +1 charge = proton
Q: he 6th Shell of an atom has a maximum capacity to contain 36 electrons. Select one: True Fals
A: False The number of electrons that can fit into shell = 2n2where n= Shell number = 1,2 ,3 ,4…
Q: Arrange the elements from most to least metallic character. Most metallic character Least metallic…
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Q: Select all the atoms below that are ions. O Atom 1: 5 protons, 6 neutrons, 5 electrons 9. O Atom 2:…
A: In ions , number of electrons is not equal to the number of protons as they are not electrically…
Q: Enter the number of electrons in each energy level (shell) for each of the elements. If the energy…
A: The number of electrons in the energy levels of the atom can be determined on the basis of their…
Q: The 4th Shell of an atom has a maximum capacity to contain 32 electrons. Select one: O True O False
A: True or False.
Q: Order the following elements from largest atomic radius to smallest? Group of answer choices Ca >…
A: The elements given are Ca, Ga, Se and Kr.
Q: BEFORE COMING TO LAB 1. Calculate the number of atoms in 2.5 moles of carbon. 2. Calculate the…
A: 1 mole of carbon consists of 6.022 x 1023 atoms2.5 mole of carbon will have 2.5 x 6.022 x 1023 =1.50…
Q: What element has 6 electrons in its highest energy shell? Group of answer choices Magnesium Aluminum…
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Q: What is the reason for the trend in Ionization energy going across a period? answer choices answer…
A: Ionization energy of an element is the minimum amount of energy required to knock out one electron…
Q: Which of the following elements is the most metallic (even if it isn't a metal)? Group of answer…
A: they Belong to the non metal category and Helium even belong to the Noble Gas category but if I…
Q: An atom with the same number of protons, but a different number of electrons is called a(n) a.…
A: The atomic number of an atom is the number of protons present in the atom. For a neutral atom, the…
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- Use the periodic table shown in Fig. 4.9 to find the symbol or name for each of the following elements. Symbol Name Co rubidium Rn radiumDetermine the charge of each of the following: a silver atom that has lost one electron a bromine atom that has gained one electron a chromium atom that has lost three electronsAn ion with one less electron than it has protons has a _________ charge.
- What will be the charge of an atom that has lost 2 electrons? Group of answer choices -1 +2 0 -2Draw a model of a nitrogen (N) atom. The atomic number of N is 7. How many electrons are in an uncharged N atom? Question 6 options: 2 3 4 5 6 7 8Q/Choose the correct answer: 1-How many neutrons are present in an atom of tin that has an atomic number of 50 and a mass number of 119? * 119 Non of these 69 50 169
- What element has 6 electrons in its highest energy shell? Group of answer choices Magnesium Aluminum Nitrogen OxygenWhich element has 8 valence electrons? Group of answer choices helium neon oxygen potassiumWhat is the element on the periodic table as described in question #9 * 10 points with the total charge of an atom's nucleus is +3 and the total charge of the surrounding electrons is -3 ?
- Flourine has an atomic # Z = 9. How many protons, electrons, and neutrons are in a flourine atom with a mass number A = 18? How many protons, electrons, and neutrons are in a flourine atom with a mass number of 20? Show work.Objectives: Consider and Respond (Module 2.1 Atoms and Elements) Kevin was experiencing heartburn prior to his heart attack, for which he was taking an antacid containing calcium carbonate (CaCO3). Which of the following statements is true concerning the electron shells associated with CaCO3? Calcium has two electrons in its outermost electron shell. Calcium has eight electrons in its first electron shell closest to the atomic nucleus. Oxygen has two electrons in its outermost electron shell. Carbon has eight electrons in its outermost electron shell. As we have learned, Kevin was experiencing heartburn prior to his heart attack. CaCO3 is a common active ingredient in many over-the-counter antacids. Using the periodic table of the elements, identify the three elements present in the antacid. What are the three basic subatomic particles and what charge is associated with each? How many protons and electrons are associated with each of the component elements in their…What is the ionic charge of an ion with 12 protons and 13 electrons? Group of answer choices -1 +12 +2 -13
