Consider the following balanced equation. SiO2 (s) +3 C (s) → SiC (s) +2 CO (g) Complete the following table, showing the appropriate number of moles of reactants and products. If the number of moles of a reactant is provided, fill in the required amount of the other reactant, as well as the moles of each product formed. If the number of moles of a product is provided, fill in the required amount of each reactant to make that amount of product, as well as the amount of the other product that is made. molSiO2 molC molSiC molCO 1 24 4.5 3.2

Q: A new element named catsium is added to the periodic chart. One of the numbers written below the…

A:

Q: Mrs. Smith showed her class three elements and described their properties. Properties of Elements…

A: The data given is,

Q: What does "X" represent in the following symbol? 28 14 X O silicon sulfur O nickel O nitrogen

A: "X” represent in the 28X14 symbol = ?

Q: In the following drawing, the green spheres represent atoms of a certain element. The purple spheres…

A: The left side of the reaction has one green element and two blue elements because they are of two…

Q: Identify each of the following elements as a metal, a nonmetal, or a metalloid. Drag the appropriate…

A: Metals : It is a solid material that are have a properties of hard, malleable, shiny, ductile, with…

Q: here are only two naturally-occuring stable isotopes of carbon. The mass and natural abundance of…

A: Here we have to consider the atomic mass from ALEKS periodic table.

Q: X Select the 4 properties of metals * Hard Conducts electricity Smells bad Does NOT conduct heat…

A: Metals are those substances which usually lose there valence electrons to form compounds.

Q: Identical steel balls are dropped into beakers filled with two different liquids: 1°1 1 Liquid A…

A: Liquids A and B have the same density. Identical steel balls are dropped into it. When the slider is…

Q: Od. 1.03 x 10-27 QUESTION 3 The number of neutrons, protons, and electrons in A7A9 are 108 47 Oa. p…

A: The number of protons present in the nucleus is termed as the atomic number. The sum of the number…

Q: An element has the following natural abundances and isotopic masses: 90.92% abundance with 19.99…

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

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Q: Samples of compound X, Y, and Z are analyzed, with results shown below. Compound X Description…

A: Law of multiple proportions: It states that when two elements combine with each other to form more…

Q: g and a small airplane has a mass of 5000. kg. An aluminum atom has a mass of 4.48 × 10 Use this…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: Name each of the following elements : As, I, Xe, He, C, Si

A: Name of the given element- As = Arsenic I= Iodine Xe= Xenon

Q: Enter your answer in scientific notation. Be sure to answer all parts.   The radius of a uranium−235…

A: We have to calculate the density of nucleus.

Q: One atom has 15 protons and 16 neutrons in its nucleus, with 15 electrons traveling around it.…

A: Isotopes are the elements which have same atomic numbers but they have different mass number  Ex.…

Q: The element lithium has two stable isotopes, lithium-7 with an atomic mass of 7.0160 u and lithium-6…

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Q: Differentiate between an atom, an element, and a molecule.

A: Element - are naturally occurring species  Atom-building block of molecule  Molecule - made up of…

Q: H = 2.1 Li = 1.0 Na = 1.0 K = 0.8 Be = 1.5 Mg = 1.2 Ca = 1.0 B = 2.0 Al = 1.5 Ga = 1.6 C = 2.5 Si =…

A: Given table of electronegative is :  Use the electronegative above and shape of H2S to determine…

Q: Fill in the information missing from this table. nuclide protons neutrons Z A 0 67 98 0 0 0 0 0 0 0…

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Q: ne element carbon has two naturally occurring isotopes. The isotopic masses and abundances of these…

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Q: 1A 8A H 2A 3A 4A 5A 6A 7A He Li Be BC NO F Ne Na Mg 3B 4B 5B 6B 7B - 8B ¬ 1B 28 A1 Si PS CI Ar K Ca…

A: 1. The  electron configuration of silicon atom  number of electrons in Si atom= 14 In order to write…

Q: There are only two naturally-occuring stable isotopes of lithium. The mass and natural abundance of…

A:

Q: Which of the following could describe an element?   I II III All of them None of them

A: Matter: Matter can be defined as any component which occupies space and has mass.

Q: - Classify each element as a metal or nonmetal. Cl Fe Metal Ca Ne Answer Bank Zn Nonmetal

A:

Q: Name the steps of the scientific method and apply them to an everyday problem you might solve using…

A: The scientific method is a systematic approach used in scientific inquiry to investigate and solve…

Q: Fill in the information missing from this table. nudide protons neutrons 0 40 51 50 24 Cr 0 0 Z A ☐…

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Q: Please find as many elements from the periodic table on the word search. There is 100 of them

A: There are 118 elements in the modern periodic table.

Q: In this station, you will find an empty box that contains air. The density of air is 1.19 g/L. It is…

A: The number of moles of a substance represents the amount of a substance, which consists of…

Q: A new (imaginary) element has been discovered.  It exists in three naturally occurring isotopic…

A: Given: ISOTOPE Mass (amu) Abundance (%) Isotope 1 300.163 15.525 Isotope 2 302.635 20.919…

Q: Physical Properties of Five Given Elements Conducts Brittle or Malleable Attracted to a Element…

A: In the table given, see the physical properties and elements corresponding to them.  For this…

Q: Name the element which has 26 electrons, 29 electrons, 26 protons

A: General way of element presentation:. AxZ where z is no. Of protons A is no. Of neutrons+protons

Q: compounds with oxygen—six that are stable in air and others that are not. The mass of manganese per…

A: Manganese forms many stable oxides such as MnO, Mn3O4, Mn2O3, MnO2, MnO3, Mn2O7 and other manganese…

Q: Convert a speed of 575 mi/h to units of feet per minute. Also, show the unit analysis by dragging…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: The nucleus of an atom accounts for most of the size and mass of the atom. O very little of the size…

A: According to Dalton's atomic theory, compound is formed by combining elements and it's also based on…

Q: TRUE for non-metal elements? Non-metals do not conduct electricity well Non-metals are represented…

A: Yes non metals do not conduct the electricity well as because they do not have/posses free electrons…

Q: What is NOT a new innovation to determine the properties of the elements and compounds that make up…

A: Given are four options and we have to tell the correct one about the innovation that is not new.

Q: A piece of aluminum foil is 0.0150 cm thick. Calculate the thickness of the aluminum foil in terms…

A: Thickness of the aluminum foil = 0.0150 cm…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.