The formula of a compound is X20. Which of the following is X least likely to be? a. Barium b. Sodium c. Cesium d. Hydrogen

Q: A newly discovered element called superiorium has the symbol Sp. What is the formula for superiorium…

A: 1. We can determine the formula from the oxidation state of the central element Sp and the ligand…

Q: On another planet, the isotopes of titanium have the given natural abundances. Abundance Mass (u)…

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Q: Lead consists of four naturally occurring isotopes. Calculate the atomic mass for lead using the…

A: IsotopeMassAbundance (%)204.01.40206.024.10207.022.10208.052.40

Q: Which best describes isotopes? A. Same number of neutrons, different number of electrons B. Same…

A: atoms of the same element have the same number of protons, but some may have different numbers of…

Q: A certain element X has four isotopes. 0.5600% of Xhas a mass of 83.91343amu. 9.860% of Xhas a mass…

A: Since element X is an isotope. Isotopes are that element which has the same atomic number but has…

Q: On another planet, the isotopes of titanium have the given natural abundances. Abundance Mass (u)…

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Q: Antimony has two naturally occuring isotopes, Sb121Sb121 and Sb123Sb123. Sb121Sb121 has an atomic…

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Q: A sample of CH 2F 2 with a mass of 19 g contains atoms of F. 38 в) 3.3х 1024 c) 2.2 x 1023 D) 9.5 E…

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Q: On another planet, the isotopes of titanium have the given natural abundances. Isotope Abundance…

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Q: One gram of metal burns in air to give 1.27 g of tin oxide. What is the formula of the oxide?

A: Combustion: When a substance reacts with O2 at high temperature to generate the energy is termed as…

Q: Element X combines with phosphate ion to form X3(PO4)2. Element X is  A. Ca+2 B. Al+3  C. N-3 D.…

A: Given: Element X combines with phosphate ion to form X3(PO4)2 To identify Element X

Q: Fill in the blanks below to show your results: Neutral atoms have the number of protons and…

A: Since you have asked multiple questions, we will answer only first question for you. In order to get…

Q: Suppose the diameter of a type of atom is 2.22 x 10-7 mm. A coin has diameter 1.20 cm. Suppose the…

A: If we divide the diameter of a coin by the diameter of an atom we will get the no. of atoms.  Given…

Q: Cr2O3 is... 1. chromium oxide 2. dichromium trioxide 3. chromium (III) oxide 4. chromium (II)…

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Q: Stony meteorites are made up of minerals that contain silicates, which are materials made of silicon…

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Q: Find the number of Na+ ions in 2.92 g of Na3PO4 (FW=163.97 g/mol)

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Q: Atoms and molecules are the same Is the statement true or false is false write the correct one

A: False  Atoms and molecules are not the same.

Q: Please answer in full

A: Let the number of atoms be x of 179u Isotope, then number of atoms of 180u isotope will be 220 -(11+…

Q: None

A: To calculate the average atomic mass of titanium on the given planet, you will use the natural…

Q: An atom has an average atomic mass of about 24.3 amu. What is the chemical symbol for the atom? Use…

A: Atomic mass is the mass of an atom. SI unit of mass is the kg. Atomic mass is often expressed in the…

Q: Potassium occurs naturally as two isotopes. The heavier isotope has percentage abundance of 93.1.…

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Q: The element X has isotopes. The masses (atomic mass unit) and % abundances of the isotopes are given…

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Q: 4. Antimony has many uses, for example, in infrared devices and as part of an alloy in lead storage…

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Q: 14 Which chemical formula is correct Magnesium Selenide? C. Mg2Se3 D. Mg4Se₂ A. MgSe B. Mg₂Se 15…

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Q: The average atomic mass of silicon is 28.0855 u. What percentage of silicon atoms are 29Si? Assume…

A: average weight= f1m1+f²m2+f3m3 F= fraction of natural abundance of isotopes by 100 m= mass of…

Q: a. For the positive ion Rb+, use the concept that a chemical compound must have a net charge of zero…

A: we have to determine the formula of the ionic compounds formed when the given ions react

Q: a. Using the average atomic mass of carbon, calculate the mass (in amu) of 137 carbon atoms. amu b.…

A: We have to calculate the mass of atoms from the average atomic masses of the given atoms.

Q: The natural abundances and isotopic masses of the element neon (Ne) areIsotope               %…

A: Average atomic mass is equal to the product of % abundance and isotopic mass. Average atomic mass is…

Q: Name each of the following compounds. a. KCIO4 b. CO3N2 c. NiF2 d. NH4OH e. NaNO2 f. (C2H3O2)2…

A: A) Potassium perchlorate B) cobalt(II) nitride C) Nickel(II) fluoride D) Ammonium hydroxide E)…

Q: 4.38 Strontium has four naturally occurring isotopes, with mass numbers 84, 86, 87, and 88. a. Write…

A: To find: Why is the atomic mass of strontium listed on the periodic table not a whole number? Which…

Q: The formulas of lithium fluoride and lithium nitride are LİF and Li3N respectively. If the formula…

A: Ionic compounds are formed when a positively charged ion combines with negatively charged ion. This…

Q: On another planet, the isotopes of titanium have the given natural abundances. Mass (u) Isotope 46T.…

A:

Q: On another planet, the isotopes of titanium have the given natural abundances. Isotope Abundance…

A: Given: The natural abundance and atomic masses of the three isotopes of titanium: We have to…

Q: A 6.167 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis…

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Q: 2. Calculate the average atomic mass of Element Sh. Sh has three isotopes: 39Sh, 40Sh, and 41Sh.…

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Q: 1 Empirical Formula 2 Mass Percent 3 Percent Composition 4 Anhydrous Compound A compound with a…

A: The empirical formula of a compound does not give the definite proportions of the element in a…

Q: Give the correct chemical names for the following formulae? a.)Li2O b.)0CCL4 c.)Cu3(PO4)2…

A: Ionic compounds are named by writing the name of the cation first, followed by the anionName the…

Q: Match each of the elements on the left to an elemental form on the right. Xe Cu N C(fullerenes) Ge…

A: Given data:Match the following with the correct termsXeIndividual atomsCuMoleculesNMetallic…

Q: Consider a sample that consists of three green spheres and one blue sphere. the green mass is 3.00g…

A: Given : Mass of green spheres = 3g Mass of blue sphere = 1g

Q: A certain compound is made up of one phosphorus (P) atom, three bromine (Br) atoms, and one oxygen…

A: The given compound contains one phosphorus atom, three chloride atoms and one oxygen atom. The…