What is an anion? What is a cation?
Q: Naturally occurring silver (Ag) consists of two isotopes. One of the isotopes has a mass of 106.91…
A: Mass of one Isotope of Ag = 106.91 amu Percentage of one Isotope of Ag = 51.87
Q: The element silver has both physical and chemical properties, some of which do not change when the…
A: When the size of sample changes , all the properties changes except the density of sample. Density…
Q: Gallium is composed of two naturally occurring isotopes: Ga−69 (60.108%) and Ga−71. The ratio of the…
A: The elements which have the same atomic number but a different mass number are called isotopes. For…
Q: During nuclear decay a 238 U atom can break apart into a helium 4 atom and one other atom. Assuming…
A: In the problem statement it is given that 238U undergoes nuclear decay to give a helium-4 atom and…
Q: Silicon has three naturally occurring isotopes (Si-28, Si-29, and Si-30). Masses and natural…
A: From the values given in the table we will first calculate the abundance if Si-30 as shown in the…
Q: What is the symbol of an ion with 31 protons, 40 neutrons, and 28 electrons? What is the symbol for…
A: Ions are formed by loss or gain of electrons by a neutral atom. If the ion is formed by gain…
Q: Which of the following elements are metals? C Ca Br Co Ni Ar Li Al O ?
A: Metal are electropositive in nature Metals are have less electronegativity In periods from left to…
Q: elements are made up of one type of atom and compounds are made up of multiple atoms bonded…
A: According to the definition, a molecule is made up of multiple atoms bonded together. If a molecule…
Q: Complete the following table. (Remember to use correct capitalization for the chemical symbol!)…
A:
Q: A 3.23 g sample of calcium sulfide was decomposed into its constituent elements producing 1.80 g of…
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Q: Give the formulas for the following compounds. sodium sulfide sodium nitrate mercury(II) iodide…
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Q: What is the name of the element that is in group 3A and period 2? fill in the blank 1What is the…
A: The objective of the question is to identify the elements that are located in specific groups and…
Q: Iron exists in nature as a mixture of predominantly three isotopes: ⁵⁴₂₆Fe (53.94 amu), ⁵⁶₂₆Fe…
A: We have to calculate the percentage of rarest of three isotopes.
Q: Write the systematic names for the given compounds. Spelling counts! 一ドー: : :o: As A. :ö,
A: Given: Two compounds are given . To find : Correct and systematic name Solution : While naming…
Q: Oxoacids contain an oxygen atom in the anion. To name them, again, start with the name of the anion…
A: Chlorous Acid :
Q: What is the mass in 3.52 x 10^23 water molecules?
A: mass of 3.53 ×1023 molecules is 10.45g
Q: Copper, which has an average atomic mass of 63.546 amu, has two stable isotopes: copper-63 and…
A: Given,Atomic mass of Copper-63 = 63.546 amuAbundance of Copper-63= 69.15%
Q: What is the mass of 1.6x10^21 argon atoms?
A: Molar mass of Argon is 39.95 g/mol i.e 1 mole of argon = 39.95 g of Argon Number of atoms of Argon…
Q: What is the formula of ammonium hydrogen phosphate? What is the formula of calcium iodide
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Q: In an experiment, the reaction of 100.0 g of iodine produced 144.9 g of a compound formed from…
A: It is an example of law of conservation of mass
Q: Predict the charges of the monoatomic ions formed by each main-group element.(a) N(b) Rb
A: (a) The nitrogen atom is represented by symbol N. It is a non-metal and therefore, it gains…
Q: 26). Complete the following table by combining cations and oxyanions into chemical formulas (10 pts)…
A: Every cation and anion has some charge associated with it. When a cation and an anion combine, they…
Q: Bromine has an average atomic mass of 79.904 amu. If Br-79 has a mass of 78.92 amu and Br-81 has a…
A:
Q: What is the name of the alkali metal that is in period 2? fill in the blank 1What is the name of the…
A: The objective of the question is to identify the names of specific elements in the periodic table…
Q: What is the formula of the compound in which the atom combining ratios are: Carbon: Hydrogen:…
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Q: a certain compound is made up of 2 chlorine atoms, one carbon atom, and one oxygen atom. What is the…
A: A chemical formula is defined as the composition of elements present in the compound in a fixed…
Q: Write the chemical formula for the following compounds. (i) Tin (IV) Oxide =…
A: Ionic compound is formed when electron is transferred from anion to cation. While writing the…
Q: A generic element, Q, has two isotopes, 195Q and 190Q, and an average atomic mass of 191.86 amu. The…
A: Given- Average atomic mass of Q = 191.86 amu Natural abundance of isotope 195Q = 38% Natural…
Q: A generic element, G, is composed of two isotopes, ¹32G and 128G. 132G has a natural abundance of…
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Q: Which of the following statements is always true? A All representative elements are nonmetals. All…
A: In the periodic table, the elements present in 1, 2, and 13 to 18 groups are known as representative…
Q: Isopropanol is a liquid at room temperature. It is dangerous to heat volatile liquids over a Bunsen…
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Q: A 67.2-g sample of a gold and palladium alloy contains 2.49x10^23 atoms. What is the composition (by…
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Q: The element X has three naturally occurring isotopes. The isotopic masses (amu) and % abundances of…
A: Atomic species that have the same atomic number but different mass numbers are called isotopes. An…
Q: Which of the following is a property of ionic compounds? Solids may be soft, waxy, or flexible. At…
A: Here, we shall answer the question only from the first picture which allows to find the property of…
Q: How many moles of aluminum do 1.42 x 10^24 aluminum atoms constitute?
A: 1 mol of any atom has 6.023 ×1023 number of atoms .
Q: Write the symbol for each of the following particles. (a) an atom with 13 protons and 13…
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…
Q: dilute solutions of aqueous ammonia, what is the key
A: Iodine is the solid Material, formed from KI Oxidation by using Oxidising agent. It's formula is ;…
Q: The mass ratio of sodium to chlorine is sodium chloride is 0.649:1. A sample of sodium chloride…
A: 2NaCl ------> 2 Na + Cl2 Mass ratio of sodium to chlorine is sodium chloride is 0.649:1. Sample…
Q: The mass of one aluminum atom is 4.48x10^-23 grams. How many aluminum atoms are there in 9.45x10^4…
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Q: Bromine has two isotopes, Br-79 and Br-81. Their abundances are 49% and 51%, respectively. Chlorine…
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Q: An unknown element contains 56 protons, 54 electrons, and has a mass number 135. Answer the…
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Q: [References] Use the References to access important values if needed for this question. If a sample…
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Q: What is the mass of (2.66x10^21) platinum atoms?
A: Given, Number of Platinum atoms = 2.66×1021
Q: Nitrogen atoms gain three electrons when they react. Write the symbol of the ion that is formed.…
A: When an atom loses electrons there is the formation of a cation and plus sign is written there…
Q: atomic element
A:
What is an anion? What is a cation?
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