51. Consider the four elements: iodine (l), rubidium (Rb), strontium (Sr), chlorine (Cl). (3pts) a. Identify...
51. Consider the four elements: iodine (l), rubidium (Rb), strontium (Sr), chlorine (Cl). (3pts)
a. Identify which elements are likely to form cations, and which are likely to form anions.
b. Which ion(s) would be positive, and which would be negative?
c. Which ion would have the largest relative ionic radius and why? Explain your answer in terms of atomic structure.
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51. Consider the four elements: iodine (l), rubidium
(Rb), strontium (Sr), chlorine (Cl). (3pts)
a. Identify...
Consider the following elements: Si, Co, Cl, P, Sr, F, Rb. Select the most accurate statement....
Consider the following elements: Si, Co, Cl, P, Sr, F, Rb. Select the most accurate statement. - Co, Sr, and Rb will form ionic compounds with Cl and F. - Sr and Si will form ionic compounds with Co. - Rb, Sr, and Co will form ions of +1 charge. - Rb, S,r and Co will form ions of +2 charge. - Al, Si, P, and Cl will form stable anions.
COnsider the following elements; Li Al Mg I S N a) Most Metallic? b) Least Metallic?...
COnsider the following elements; Li Al Mg I S N a) Most Metallic? b) Least Metallic? C) Lowest Electronegativity? d) Highest ionization energy? e) Largest atomic radius? f) Which are non-metals? g) Which are conductors? h) Highest electron affinity? I) List them in order from small atomic to large size. J) Would gain two electrons to form ion? K) Would iodide ion considered to be cations or anions? L) Would lithium ion be larger or smaller than lithium atom? M)...
25. Consider the elements aluminum and oxygen. aluminum охудеn Identify each as a metal or a...
25. Consider the elements aluminum and oxygen. aluminum охудеn Identify each as a metal or a nonmetal. State the number of valence electrons for each, State the number of electrons that must be lost or gained for each to achieve an octet. Write the symbol, including its ionic charge, and type of each resulting ion. 26. Which of the following pairs of elements are likely to form an ionic compound? Why? Yes/No Why? lithium and chlorine Oxygen and bromine potassium...
A) As B) Sb C) P D)Bi E)N 10. In which of the series of elements...
A) As B) Sb C) P D)Bi E)N 10. In which of the series of elements listed below would the elements have most nearly the same atomic radius? A) Na, K. Rb, Cs B)F, CI, Br.I C) Na, Mg. Al, Si D) Sc, Ti, V, Cr E)B, Si, As, Te Which of the following properties, in general, increases from left to right across a period in the periodic table? A) ionic charge 11、 B) atomic radius C) density D) ionization...
..ll T-Mobile 2:05 PM 29% 12) of the four elements most prevalent in living organisms, which...
..ll T-Mobile 2:05 PM 29% 12) of the four elements most prevalent in living organisms, which element makes up the highest percentage? A) sulfur B) sodium C) oxygen D) potassium E) carbon 13) An atom of an element has atomic number of 6 and mass number of 14. From this information, we can determine that the nucleus has : A) 6 protons. B) 8 electrons. C) 8 neutrons. D) 6 protons and 8 electrons. E) 6 protons and 8 neutrons....
8. Select the true statement. a. Atomic radius increases going from left to right across a...
8. Select the true statement. a. Atomic radius increases going from left to right across a period. b. The p electrons in fluorine are more poorly shielded from the nuclear charge than the p electrons in carbon. c. Cations are larger than their corresponding neutral atoms. d. Anions are smaller than their corresponding neutral atoms. e. Ionic radius generally decreases down a group. 9. (ACS question) Which of these elements has the highest first ionization energy? a. Ne b. F...
please complete the questions has not answering with clarification of the answer to any page Name...
please complete the questions has not answering with
clarification of the answer to any page
Name Lab Section _Date The Mole Concept and Atomic Weights The purpose of this activity is to better understand the concepts of relative atomic mass, counting by weighing and the mole. Percent composition and average atomic mass are included. Part I. Relative Atomic Masses and the Mole - Early Method When John Dalton proposed his atomic theory, he stated that the atoms of each element...
The smallest chemical units of matter are atoms b) molecules c) protons d) neutrons e) electrons...
The smallest chemical units of matter are atoms b) molecules c) protons d) neutrons e) electrons . Which of the following would have the largest size? a) an atom b) a molecule c) a proton d) a neutron e) an electron 3. Isotopes of an element differ in the number of a) protons in the nucleus b) electrons in the nucleus © neutrons in the nucleus d) electron clouds e) energy levels they contain 4. VO The atomic number represents...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has its own characteristic atom in which a. the atomic mass is constant. b. the atomic number is constant. c. the mass number is constant. d. Two of the above are correct. e. All of the above are correct. 2. Which of the following is not a trace element in the human body? a. iodine b. zinc c. iron d. calcium e. fluorine 3. A...
Explain the answer please. ) 1 on electronegativity differences, which of the following is most likely...
Explain the answer please.
) 1 on electronegativity differences, which of the following is most likely to be ionie? BaF2 b) Bra c) PH d) NO e CL 6. How many electrons can be contained in all of the orbitals with n-4? c) 10 d) 18 32 Which of the following molecules has no dipole moment? mause it is a Hencar wno 7. NH c) H20 d) all e) none 8. How many electrons can be described by the quantum...
25. Consider the elements aluminum and oxygen. aluminum охудеn Identify each as a metal or a nonmetal. State the number of valence electrons for each, State the number of electrons that must be lost or gained for each to achieve an octet. Write the symbol, including its ionic charge, and type of each resulting ion. 26. Which of the following pairs of elements are likely to form an ionic compound? Why? Yes/No Why? lithium and chlorine Oxygen and bromine potassium...
A) As B) Sb C) P D)Bi E)N 10. In which of the series of elements listed below would the elements have most nearly the same atomic radius? A) Na, K. Rb, Cs B)F, CI, Br.I C) Na, Mg. Al, Si D) Sc, Ti, V, Cr E)B, Si, As, Te Which of the following properties, in general, increases from left to right across a period in the periodic table? A) ionic charge 11、 B) atomic radius C) density D) ionization...
..ll T-Mobile 2:05 PM 29% 12) of the four elements most prevalent in living organisms, which element makes up the highest percentage? A) sulfur B) sodium C) oxygen D) potassium E) carbon 13) An atom of an element has atomic number of 6 and mass number of 14. From this information, we can determine that the nucleus has : A) 6 protons. B) 8 electrons. C) 8 neutrons. D) 6 protons and 8 electrons. E) 6 protons and 8 neutrons....
8. Select the true statement. a. Atomic radius increases going from left to right across a period. b. The p electrons in fluorine are more poorly shielded from the nuclear charge than the p electrons in carbon. c. Cations are larger than their corresponding neutral atoms. d. Anions are smaller than their corresponding neutral atoms. e. Ionic radius generally decreases down a group. 9. (ACS question) Which of these elements has the highest first ionization energy? a. Ne b. F...
please complete the questions has not answering with
clarification of the answer to any page
Name Lab Section _Date The Mole Concept and Atomic Weights The purpose of this activity is to better understand the concepts of relative atomic mass, counting by weighing and the mole. Percent composition and average atomic mass are included. Part I. Relative Atomic Masses and the Mole - Early Method When John Dalton proposed his atomic theory, he stated that the atoms of each element...
The smallest chemical units of matter are atoms b) molecules c) protons d) neutrons e) electrons . Which of the following would have the largest size? a) an atom b) a molecule c) a proton d) a neutron e) an electron 3. Isotopes of an element differ in the number of a) protons in the nucleus b) electrons in the nucleus © neutrons in the nucleus d) electron clouds e) energy levels they contain 4. VO The atomic number represents...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has its own characteristic atom in which a. the atomic mass is constant. b. the atomic number is constant. c. the mass number is constant. d. Two of the above are correct. e. All of the above are correct. 2. Which of the following is not a trace element in the human body? a. iodine b. zinc c. iron d. calcium e. fluorine 3. A...
Explain the answer please.
) 1 on electronegativity differences, which of the following is most likely to be ionie? BaF2 b) Bra c) PH d) NO e CL 6. How many electrons can be contained in all of the orbitals with n-4? c) 10 d) 18 32 Which of the following molecules has no dipole moment? mause it is a Hencar wno 7. NH c) H20 d) all e) none 8. How many electrons can be described by the quantum...
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