The unknown for the paper chromatography experiment can have only one of the metal ions.  If it had more than one, there is no way to separate them. True or False?

Q: Classify the following as element, compound, homogeneous mixture, or heterogeneous mixture. Some…

A: Homogenous mixture--->>It is a mixture of substances blended so thoroughly that you cannot see…

Q: Naturally occurring cobalt consists of only one isotope, 59Co , whose relative atomic mass is…

A: For the two isotopes of cobalt as 59Co and 60Co given data ;  Relative atomic mass (A1) of 59Co =…

Q: The names of the elements whose symbols are Si, P, Mn, and S are respectively: A) silicon,…

A: Symbols of an element normally consist of one or two letters from the Latin alphabet. The first…

Q: what are coinage metals?

A: Coinage metals are group of three transition metals of group 11 of periodic table.  The coinage…

Q: 7) To elements in the gas state react to form a new compound. Based on the state of matter of the…

A: Reactions in which two or more chemical species combine to form an entirely different species is…

Q: Could the nugget be made of gold? Match the words in the left column to the appropriate blanks in…

A: Since the nugget is basically a small chunk of gold and other precious metals.

Q: Mass spectrometry by itself cannot be used for a sample of mixture of drugs. This statement is…

A: Mass spectroscopy is a technique which determines the mass to charge ration of various ions present…

Q: b) Alpha iron (a-iron) is BCC crystal structure and has atomic weight of 55.85 g/mol and density of…

A: We know that : d = nM/(a^3*N)  Or, a^3 = (nM/dN) ....(1)  Here, n = 2, M = 55.85 gm/mol, d = 7.87…

Q: Two samples have the exact same melting points. Are they the same compound? How could you tell for…

A: Given that  The two samples have the same melting point.

Q: What are the chemical symbols for antimony, arsenic, aluminum, boron, gallium, germanium, indium,…

A:

Q: Which of the following physical properties do you think would help you determine whether the shiny…

A: There are many properties which can be used to determine whether the shiny nugget is gold or not .…

Q: A muon (a subatomic particle with a mass of 1.884 x 10-25 g) traveling at 635 m/s: m

A: The objective is to determine the distance covered by the subatomic particle.Given:Mass of muon…

Q: Which of the following would be considered a heterogeneous mixture? Check all that apply O Tap water…

A: A mixture considered to be heterogenous mixture in which components are not evenly distributed…

Q: For the molecular compound carbon tetrachloride, what would you multiply "molecules of CCl4" by to…

A: Given : Compound is carbon tetrachloride i.e CCl4. And number of molecules of CCl4 is given. To Find…

Q: Enter either the word "presence" or the word "absence" in the first blank, then the name of the…

A: The salts which are soluble in hot water, remains in the filtrate and one which are insoluble in hot…

Q: Copper has two naturally occurring isotopes, Cu (isotopic mass 62.9296 amu) and 5 Cu (isotopic mass…

A:

Q: An alloy of copper, silver and gold contains 25-weight percent gold and 15-weight percent silver.…

A:

Q: A student ran an paper chromatography experiment to compare the compound A with known compound of B,…

A:

Q: Two or more substances in variable proportions, where the composition is constant throughout are a…

A: A compound is a chemical species that is formed when two or more atoms join together chemically,…

Q: Which of the following can be more completely broken down? a) Petrochemicals b) Metals c)…

A: Among the given options, Petrochemical = does not break completely. Metals = does not break.…

Q: Which of the following is best characterized as a heterogeneous mixture?  Group of answer choices…

A: Heterogeneous mixture.

Q: a heterogeneous mixture is

A: In this question we have to tel that what is correct option of heterogeneous mixture.

Q: You strongly heat a tan-colored powdery solid directly on a hot plate in a vacuum chamber (so no air…

A: Since the unknown substance gives different colored substances, it is definitely not a pure element.

Q: Does fluorine, sulfur, and phosphorus represent elements in a group, a period, or neither?

A: We have to explain if fluorine, sulfur and phosphorus represent elements in a group, a period, or…

Q: What characteristics must the substance have in order to be classified as an element?

A: Elements are the fundamental building blocks of matter. They are substances that cannot be broken…

Q: State the number of protons in Ag^+. Express your answer as an integer.   State the number of…

A: Electronic configuration of Ag (47) = 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s1 Number of protons…

Q: In an experiment to measure the amount of citric acid in orange juice, citric acid is the sample and…

A:

Q: Can two samples that have different sets of chemical elements be the same mineral? Why or why not?…

A: A substance is referred to as a mineral if it is an inorganic, homogenous, crystalline solid that…