# Atomic and Ionic Properties TableThe table below lists various properties of different atoms and ions. It includes the number of protons, positive charge, number of electrons, negative charge, and overall charge of each atom or ion.| Atom/Ion | Number of Protons | Positive Charge | Number of Electrons | Negative Charge | Overall Charge of Atom or Ion ||----------------------|-------------------|-----------------|---------------------|-----------------|--------------------------------|| **Hydrogen atom (H)** | 1 | +1 | 1 | -1 | 0 || **Oxide ion (O²⁻)** | 8 | +8 | 10 | -10 | 2- || **Hydrogen ion (H⁺)** | 1 | +1 | - | - | - || **Nitrogen atom (N)** | 7 | +7 | - | - | - || **Nitride ion (N³⁻)** | 7 | +7 | 10 | -10 | 3- || | 9 | +9 | 10 | -10 | - || | 4 | +4 | 2 | -2 | - || | 16 | +16 | - | - | 2- || **Sodium atom (Na)** | 11 | +11 | 11 | -11 | 0 || **Sodium ion (Na⁺)** | 11 | +11 | 10 | -10 | 1+ |This table outlines the relationship between the protons (which define the element) and the number of electrons (which contribute to chemical behavior and charge balance) in determining the overall charge of each particle.**Key Points:**- **Protons**: The number of protons identifies the element and its position in the Periodic Table.- **Electrons**: Electrons, which carry a negative charge, balance the positive charge of protons.- **Charge**: The overall charge of an atom or ion is determined by the difference between the number of protons (positive charge) and the number of electrons (negative charge

The number of proton is equal to the atomic number of that element. The no of proton is same as no…

Atom/ion Hydrogen atom (H) Oxide ion (0²-) Hydrogen ion (H+) Nitrogen atom (N) Nitride ion (N³-) Sodium atom (Na) Sodium ion (Na+) Number of protons 1 8 7 9 4 16 Positive charge +1 +8 +7 Number of electrons 1 10 10 2 Negative charge -1 -10 Overall charge of atom or ion 0 2- 2-

Atom/ion Hydrogen atom (H) Oxide ion (0²-) Hydrogen ion (H+) Nitrogen atom (N) Nitride ion (N³-) Sodium atom (Na) Sodium ion (Na+) Number of protons 1 8 7 9 4 16 Positive charge +1 +8 +7 Number of electrons 1 10 10 2 Negative charge -1 -10 Overall charge of atom or ion 0 2- 2-

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 70IP: Using the information in Table 1-1, answer the following questions. In an ion with an unknown...

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An isotope of an element contains 63 protons and 91 neutrons. (a) Identify the element and give its symbol. (b) Give the elements atomic number. (c) Give the mass number of the isotope. (d) This element has two naturally occurring isotopes. Given the information in the table, calculate the atomic weight of the element. (e) In which region of the periodic table is the element found? Explain your answer. (f) Is the element a metal, metalloid, or nonmetal? Explain your answer. (g) This element, used in compact fluorescent light bulbs and computer screens, has an atomic radius of 180 pm. Calculate how long the chain of atoms would be if all the atoms in a 1.25-mg sample of this element were put into a row.
Which of the following is true about an individual atom? Explain. a. An individual atom should be considered to be a solid. b.An individual atom should be considered to be a liquid. c. An individual atom should be considered to be a gas. d. The state of the atom depends on which element it is. e. An individual atom cannot be considered to be a solid, liquid, or gas. Justify your choice, and for choices you did not pick, explain what is wrong with them.
Two elements, R and Q, combine to form two binary compounds. In the first compound, 14.0 g of R combines with 3.00 g of Q. In the second compound, 7.00 g of R combines with 4.50 g of Q. Show that these data are in accord with the law of multiple proportions. If the formula of the second compound is RQ, what is the formula of the first compound?
You may have noticed that when water boils, you can see bubbles that rise to die surface of the water. Which of die following is inside these bubbles? Explain. a. air b. hydrogen and oxygen gas c. oxygen gas d. water vapor e. carbon dioxide gas
The formula of water is If-O. Which of the following is indicated by this formula? Explain your answer. a. The mass of hydrogen is twice that of oxygen in each molecule. b. There are two hydrogen atoms and one oxygen atom per water molecule. c. The mass of oxygen is twice that of hydrogen in each molecule. d. There are two oxygen atoms and one hydrogen atom per water molecule.
2.11 Define the term isotope.
Uranium-235 is the isotope of uranium commonly used in nuclear power plants. How many (a) protons are in its nucleus? (b) neutrons are in its nucleus? (c) electrons are in a uranium atom?
Answer the questions below, using LT (for is less than), GT (for is greater than), EQ (for is equal to), or MI (for more information required) in the blanks provided. (a) The mass (to three significant figures) of6.0221023atoms of Na 23.0 g. (b) Boron has two isotopes, B-10 (10.01 amu) and B-11 (11.01 amu). The abundance of B-10 the abundance of B-11. (c) If S-32 were assigned as the standard for expressing relative atomic masses and assigned an atomic mass of 10.00 amu, the atomic mass for H would be 1.00 amu. (d) When phosphine gas, PH3, is burned in oxygen, tetraphosphorus decaoxide and steam are formed. In the balanced equation (using smallest whole-number coefficients) for the reaction, the sum of the coefficients on the reactant side is 7. (e) The mass (in grams) of one mole of bromine molecules is 79.90.
The following isotopes have applications in medicine. Write their symbols in the form XZA. a. cobalt-60 b. phosphorus-32 c. iodine-131 d. sulfur-35
Click on the site (http://openstaxcollege.org/l/16PhetAtomMass) and select the Mix Isotopes tab, hide the Percent Composition and Average Atomic Mass boxes, and then select the element boron. Write the symbols of the isotopes of boron that are shown as naturally occurring in significant amounts. Predict the relative amounts (percentages) of these boron isotopes found in nature. Explain the reasoning behind your choice. Add isotopes to the black box to make a mixture that matches your prediction in (b). You may drag isotopes from their bins or click on More and then move the sliders to the appropriate amounts. Reveal the Percent Composition and Average Atomic Mass boxes. How well does your mixture match with your prediction? If necessary, adjust the isotope amounts to match your prediction. Select Nature’s mix of isotopes and compare it to your prediction. How well does your prediction compare with the naturally occurring mixture? Explain. If necessary, adjust your amounts to make them match Nature’s amounts as closely as possible. 21. Repeat Exercise 2.20 using an element that has three naturally occurring isotopes.
Cesium, Cs, is used in photoelectric cells (electric eyes). The cesium nucleus has a charge of +55. What is the number of electrons in the neutral atom? in the Cs+ ion?
Using the information in Table 1-1, answer the following questions. In an ion with an unknown charge, the total mass of all the electrons was determined to be 2.55 1026 g, while the total mass of its protons was 5.34 1023 g. What is the identity and charge of this ion? What is the symbol and mass number of a neutral atom whose total mass of its electrons is 3.92 1026 g, while its neutrons have a mass of 9.35 1023 g?