For number 9 I need the words to match the meaning for all of them

Q: Write the empirical formula for at least four ionic compounds that could be formed from the…

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Q: 23. A chemist walks into his laboratory and finds that his assistant has reorganized his chemical…

A: The periodic table consists of a table series from the element with the least atomic number,…

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

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

A: The data given is,

Q: Organization of the Periodic Table Read each description in the first column of the table below. If…

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Q: Recognizing the intersection of scientific properties and ideas with the world around you is a key…

A: The objective of this question is to choose a favorite element from the periodic table, describe its…

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: Read each description in the first column of the table below. If any chemical element with atomic…

A: A question based on periodic trends. Few elements are is given that are to be verified whether they…

Q: Which one is smaller?    Mg or Sr

A: Atomic number of Mg = 12  Atomic number of Sr = 38

Q: Brønsted-Lowry Acid w

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Q: 1) How do we know that air is not a single substance? 2) Metals have many similar properties, but…

A: In this review we will examine several basic concepts of matter and materials, from the…

Q: -23 An oxygen atom has a mass of 2.66 x 10 g and a glass of water has a mass of 0.050 kg. Use this…

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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: Fill in the blanks. Thank you

A: Given reactions,

Q: place the symbols in set 1 and set 2 in the correct place (don't answer questions)

A: The periodic table of the elements is an ordered arrangement of the chemical elements into rows and…

Q: Combustion of hydrocarbons such as undecane (C H24) produces carbon dioxide, a "greenhouse gas."…

A: Given, Liquid Undecane C11H24  burns in presence of oxygen gas to give green house gas CO2 &…

Q: Select all the properties that you would expect a nonmetal element to have. ductile Olow melting…

A: Based on some properties elements are classified into three groups 1. Non metals 2. Metals 3.…

Q: Mass of one a mu) Carbon Type 1                             12.0 Carbon Type 2…

A: Isotopes are variants of a particular chemical element which differ in neutron number, and…

Q: Reactivity Trends on the Periodic Use the drop-down menus to complete each sentence. Elements in the…

A: Introduction: We have to fill the followings.

Q: Post-Lab Questions: Answer the following questions in complete sentences using data from the lab to…

A: The given data shows the properties of metals, non-metals, and metalloids.Physical properties…

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: I can't read this person's handwriting. What are the answers? The names?

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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: 1012 m 3= m Enter the full name of the unit.

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Q: v. Complete the predicted observations using 'bubbles', 'no rxn' or the name of the ppt: sodium…

A: The above reactions given suggests the reaction of salts. The balanced equation are given below.

Q: Name of salt Color of the flame Potassium Copper Strontium Sodium Barium Lithium

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Q: 23 An oxygen atom has a mass of 2.66 x 10 g and a glass of water has a mass of 0.050 kg. Use this…

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Q: Based on the information in the table, Sample 3 would likely be classified as a(n) —    alkali…

A: Alkali metals , valance band conduction band overlap on each other . Thus free electrons  can easily…

Q: Atoms with the same number of protons but with different electrical charges _____.

A: Electric Charge is two types.    Positive charge Cation and negative charge anions

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: For each of the following chemical symbols, determine the number or element symbol that goes in the…

A: Given , yBa = here, y=?  Number of electrons = 54 Number of neutrons = 81

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.