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Paragraph Styles 8. To date, there have only been 118 recognized elements, and many of the...
1) Which statement concerning the structure of the atom is correct A) Protons and Neutrons have...
1) Which statement concerning the structure of the atom is correct A) Protons and Neutrons have most of the mass and occupy C) Electron have most of the mass and occupy very little of the volume of the atom B) Electron have most of the mass and occupy most of the volume of the atom most of the volwne of D) Protons and Neutrons have most of the mass but occupy very little of the volume of the atom 2)...
64Chapter 7 Atomic Number and Atomie Mass The Periodie Table of Elements contains th and atomie...
64Chapter 7 Atomic Number and Atomie Mass The Periodie Table of Elements contains th and atomie wumber of protons, e atomic m number of each element. These numbbers indicate the neutrons, and electrons in each element's basic wtructure Each aquare in the Periodic Table represents an element There are two numbers in each square 3 Alomic Number The smaller number at the top of the box is the atomic number The number at the bottom of the box is the...
-Isotopes are represented by the symbol , where Z is the atomic number, A is the...
-Isotopes are represented by the symbol , where Z is the atomic number, A is the mass number, and E is the elemental symbol. . Write symbol that represents an isotope of nickel that contains 28 protons and 32 neutrons in the nucleus. Isotopes are also represented by the notation: Name-A, where Name is the name of the of the isotope. An example of this isotope notation is magnesium-26. This represents an isotope of The extremely small size of atoms...
18) From the following elements, one is not naturally diatomic molecule b- Nitrogen a-Oxygen d- Copper c- lodine 19...
18) From the following elements, one is not naturally diatomic molecule b- Nitrogen a-Oxygen d- Copper c- lodine 19) In the element Radium Ra, the number of protons, neutrons and electrons are respectively b-88, 88, 226 a- 88, 138, 88 d- 138, 88, 88 c-88, 226, 88 20) The empirical formulas of glucose CaHi:O, is b- CHO a- CiaHaO12 d-CH O c-CH:0 21) The compound NHa is a: b-A polyatomic cation a- A monoatomic cation d-A polyatomic anion c- A...
Write the isotope symbol for each of the following isotopes: (3 mks) Carbon atom containing 6...
Write the isotope symbol for each of the following isotopes: (3 mks) Carbon atom containing 6 neutrons Nitrogen atom containing 8 neutrons Uranium atom containing 143 neutrons Write the isotope symbols for the following: (3 mks) Atom containing 26 protons and 28 neutrons Atom containing 14 protons and 15 neutrons Atom containing 16 protons and 18 neutrons Determine the number of protons, neutrons, and electrons in each of the following isotopes: (5 mks) Krypton-84 Tin-117 Zinc-66 Ba-136 Ne-22 Explain how...
Determine how many protons, neutrons, and electrons a given atom (or ion) has, given its symbol,...
Determine how many protons, neutrons, and electrons a given atom (or ion) has, given its symbol, atomic number, and mass number (and vice versa) . Describe the relative mass, charge, and location of the three basic particles in the atom (a, B, Y) 4. State what isotope serves as the current standard for the atomic mass scale. 5. Explain why atomic masses of some elements (i.e., Cu, CI) are so far from whole numbers. Bfo glqibnhq 1916 Summarize the contributions...
Quiz #1A Name Good Luck 1. What term is used to describe atoms of the same...
Quiz #1A Name Good Luck 1. What term is used to describe atoms of the same element that have different A. radioactive B. constituents C_isotopes D. telomers E. isomers 2. What is always true for a neutral atom? 5 pts masses? 5 pts A. There is an equal number of protons and neutroes. C. There is an equal number of protons, neutrons, and electrons. D. The namber of protons B_There is an equal number of prosons and clectrons E. The...
Question 6 0.2 pts Which of the following elements have properties that do not fit well...
Question 6 0.2 pts Which of the following elements have properties that do not fit well in their group (column) or row? (Check all that apply) calcium Okrypton hydrogen chlorine G periodic table with x 34 Atomic M eqizzes/116226/take Question 8 0.2 pts Place the images in order of weakest attraction to strongest attraction. 1 2 3 +1 -1 +2 -2 +3 -3 100 pm 100 pm 200 pm O 3 2<1 O 3 1<2 O 1<2 3 1 3...
need some explaining plaz. ke ke 12. Calculate the atomic weight of Kelsium, a fictional element,...
need some explaining plaz.
ke ke 12. Calculate the atomic weight of Kelsium, a fictional element, if it consists of two isotopes with the following abundance and masses: 11.99 amu 66.00% 13.98 amu 34.0096 A. 11:44 amu B. 8.958 amu C. 13.01 amu D 12.67 amu E 25.97 amu 13. Which of the following can we conclude from the atomic weight of boron which is comprised of just boron-10 and boron-11? A Boron-11 is the most abundant isotope. B Boron-10...
Question 1 What is the net electric charge (in units of e) of an atom of...
Question 1 What is the net electric charge (in units of e) of an atom of lead (Z82)? qlead exact number, no tolerance Attempts: 0 of 5 used Question 2 Suppose a lithium atom (Z units of e? 3) has been singly ionized. What is the net electric charge of the resulting lithium ion in lithium exact number, no tolerance Attempts: 0 of 5 used Question 3 Suppose a lead atom (Z = 82) has been doubly ionized. What is...
1) Which statement concerning the structure of the atom is correct A) Protons and Neutrons have most of the mass and occupy C) Electron have most of the mass and occupy very little of the volume of the atom B) Electron have most of the mass and occupy most of the volume of the atom most of the volwne of D) Protons and Neutrons have most of the mass but occupy very little of the volume of the atom 2)...
64Chapter 7 Atomic Number and Atomie Mass The Periodie Table of Elements contains th and atomie wumber of protons, e atomic m number of each element. These numbbers indicate the neutrons, and electrons in each element's basic wtructure Each aquare in the Periodic Table represents an element There are two numbers in each square 3 Alomic Number The smaller number at the top of the box is the atomic number The number at the bottom of the box is the...
-Isotopes are represented by the symbol , where Z is the atomic number, A is the mass number, and E is the elemental symbol. . Write symbol that represents an isotope of nickel that contains 28 protons and 32 neutrons in the nucleus. Isotopes are also represented by the notation: Name-A, where Name is the name of the of the isotope. An example of this isotope notation is magnesium-26. This represents an isotope of The extremely small size of atoms...
18) From the following elements, one is not naturally diatomic molecule b- Nitrogen a-Oxygen d- Copper c- lodine 19) In the element Radium Ra, the number of protons, neutrons and electrons are respectively b-88, 88, 226 a- 88, 138, 88 d- 138, 88, 88 c-88, 226, 88 20) The empirical formulas of glucose CaHi:O, is b- CHO a- CiaHaO12 d-CH O c-CH:0 21) The compound NHa is a: b-A polyatomic cation a- A monoatomic cation d-A polyatomic anion c- A...
Determine how many protons, neutrons, and electrons a given atom (or ion) has, given its symbol, atomic number, and mass number (and vice versa) . Describe the relative mass, charge, and location of the three basic particles in the atom (a, B, Y) 4. State what isotope serves as the current standard for the atomic mass scale. 5. Explain why atomic masses of some elements (i.e., Cu, CI) are so far from whole numbers. Bfo glqibnhq 1916 Summarize the contributions...
Quiz #1A Name Good Luck 1. What term is used to describe atoms of the same element that have different A. radioactive B. constituents C_isotopes D. telomers E. isomers 2. What is always true for a neutral atom? 5 pts masses? 5 pts A. There is an equal number of protons and neutroes. C. There is an equal number of protons, neutrons, and electrons. D. The namber of protons B_There is an equal number of prosons and clectrons E. The...
Question 6 0.2 pts Which of the following elements have properties that do not fit well in their group (column) or row? (Check all that apply) calcium Okrypton hydrogen chlorine G periodic table with x 34 Atomic M eqizzes/116226/take Question 8 0.2 pts Place the images in order of weakest attraction to strongest attraction. 1 2 3 +1 -1 +2 -2 +3 -3 100 pm 100 pm 200 pm O 3 2<1 O 3 1<2 O 1<2 3 1 3...
need some explaining plaz.
ke ke 12. Calculate the atomic weight of Kelsium, a fictional element, if it consists of two isotopes with the following abundance and masses: 11.99 amu 66.00% 13.98 amu 34.0096 A. 11:44 amu B. 8.958 amu C. 13.01 amu D 12.67 amu E 25.97 amu 13. Which of the following can we conclude from the atomic weight of boron which is comprised of just boron-10 and boron-11? A Boron-11 is the most abundant isotope. B Boron-10...
Question 1 What is the net electric charge (in units of e) of an atom of lead (Z82)? qlead exact number, no tolerance Attempts: 0 of 5 used Question 2 Suppose a lithium atom (Z units of e? 3) has been singly ionized. What is the net electric charge of the resulting lithium ion in lithium exact number, no tolerance Attempts: 0 of 5 used Question 3 Suppose a lead atom (Z = 82) has been doubly ionized. What is...
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