Table salt (sodium chloride) is made up of sodium and chlorine. We are able toeat the compound, showing that it has different properties from those of a metal(sodium) and a poisonous gas (chlorine).

Q: A principal shell with a value of n=3 would contain s,p,d, and f orbitals true or false

A: A principal shell is indicated by the principal quantum number.

Q: A substance formed of crystals of equal numbers of cations and anions held together by ionic bonds…

A: Answer is b.)  salt.

Q: a) Identify the following as element (atomic or molecular), compound or mixture. b) Explain your…

A: An atom of a element is composed of a single nucleus with a unique number of protons surrounded by…

Q: why lung and soft tissue appear different on a radiograph when they have both an effective atomic…

A: The radio graphic image will appear according to the effective atomic number.

Q: The atomic number on an element tells us the number of

A: An atom is made up of three kinds of subatomic particles called protons, neutrons, and electrons,…

Q: Calculate these masses.

A: A large amount of unspecified size is known as mass. It is denoted as m.  The amount of space an…

Q: Magnesium atoms lose two electrons when they react. Write the symbol of the ion that is formed. Is…

A: Magnesium is a chemical element with the symbol Mg and atomic number 12. It is a shiny gray solid…

Q: The atomic mass number of an atom is determined by the sum of the number of in the atom. (a) protons…

A: The total number of neutrons and protons in an atomic nucleus is called atomic mass number.

Q: The most important peculiarity of water when compared to other solvents is that water has إختر أحد…

A: Water is a polar molecule  and it is called the universal solvent

Q: What is the mass in grams of 6.022 * 1023 O atoms of mass 16.00 amu?

A: The mole concept is a convenient method of expressing the amount of a substance. Any measurement can…

Q: If our alloy has a composition of 90% Sn and has a temperature of 100C, determine: a) What…

A: A phase diagram is a graph that depicts a substance's thermodynamic state at various pressures and…

Q: Arrange in order of increasing atomic size. (a) the period 2 elements Li, C, and F (b) the group…

A: According to the question, we have to arrange the following period or group elements in order of…

Q: Explain the boiling point of a compound ?

A: The melting point is the temperature when a solid substance is starting to convert into liquid. The…

Q: The atomic emission spectrum for a particular element includes blue-violet light with wavelength…

A: The emission spectrum of a chemical element is the spectrum of frequencies of electromagnetic…

Q: What is the difference between an a particle and a helium atom?

A: Alpha particles - Alpha particles consist of two protons and to neutrons bound together into a…

Q: Which of the following is a characteristic property of matter that could be used to identify an…

A: Physical and chemical qualities exist in all matter. Physical attributes, such as mass, colour, and…

Q: föllowing would dispersion forces be the most important factor in determining physical properties in…

A: The London dispersion forces are defined as the weakest existing intermolecular forces. It is a…

Q: A. List the five tests from your lab report and answer positive or negative for the following…

A:

Q: What factors can make a compound called as a salt? Specifywhich of the following compounds are…

A: An ionic compound made up of cation from the base wheras an anion from the acid are the factors that…

Q: At room temperature, substance 1 is a gas while substance 2 is a liquid. Which of the following is…

A: A state of matter is defined as one of the distinct forms that various phases of matter take on. The…

Q: How many H2O particles were produced by creating the following structure? * R H R R H-N-C,-c-…

A: Amino acids are monomers of protein they are linked with each other by forming peptide…

Q: Explain why snow is not a pure element. What is the composition of snow? Describe its solid phase…

A: Snow is the precipitation in the form of ice crystals. It originates in clouds when temperatures are…

Q: A. List the five tests from your lab report and answer positive or negative for the following…

A: The given structure is of aldopentose.

Q: Elements are.. O A pure substance When there is more than one atom O Made of two or more substances

A: The matter is made up of chemical substances that occupy space and it consists of a particular mass.…

Q: There are three different types of spectroscopic analyses which are utilised in atomic spectroscopy.…

A: The interaction between electromagnetic radiation (light) and matter as a function of the radiations…

Q: Arrange the elements Na, Si, and S in the order of (a) decreasing atomic radius. (h) increasing…

A: Atomic radius: It is half the distance between nuclei of two atoms of the same element when the…

Q: Element Z forms an ion Z 3+, which contains 31 protons. What is the identity of Z, and how many…

A: The boron family has elements in group 13 of the modern periodic table. It includes the semi-metal…

Q: determine the density of a metal that has a mass of 2.17g and a volume of 0.35 cm^3

A: The unit of density is gm/cm3 .

Q: Name several inorganic compounds.

A: Inorganic compounds: These are those compound which does not contain hydrogen and carbon bond where…

Q: Define the following terms: a. hydronium ion b. acid c. base d. Ka e. pKa

A: In the solution, when a compound reacts, there is a formation of the product. In the chemical…

Q: Direction: Match the following isotopes by tracing a line in column A to its uses in column B. Iron…

A: Isotopes are atoms of the same element that contain an identical number of protons, but a different…

Q: Write the formulas

A: The substance having more than one type of molecule is known as compound. For a molecular compounds,…

Q: water 4.18 ethyl alcohol 2.44 benzene 1.80 sulfuric acid 1.40 ased on the information in the table,…

A: INTRODUCTION One of water's most significant properties is that it takes a lot of energy to heat it.…

Q: Match the structure formula to the chemical formula for this substance

A: According to the question, a molecular structure is given. Now, we have to match the structural…

Q: another common term for ion is (starts with "e")

A: Ions are atoms with added electrons or reduced electrons. When the atom lost an electron, it will…

Q: the molecular formula

A:

Q: Which are the Trace Elements: Less than 0.01% of Total Atoms in the Body?

A: On Earth, 92 elements are found in their native state. Only 11 of these elements are present in…

Q: Ammonia gas would be classified as (1) a compound (2) a mixture (3) an element (4) an atom

A: AMMONIA GAS IS CLASSIFIED AS COMPOUND.

Q: FREE RESIDUAL CHLORINE IS 1. Chloramide compounds 2. hypochlorous or chloric acid 3. haloform…

A: Introduction :- The quantity of chlorine that remains in the water after a given period or contact…

Q: A sample of 0.6760 g of an unknown compound containing barium ions (Ba2+) is dissolved in water and…

A: The chemical reaction between barium ions and sodium sulfate is: Ba2++Na2SO4→2Na++BaSO4

Q: :OH KMNO4

A: Potassium permanganate (KMnO4) is a very strong oxidant which is able to react with many functional…

Q: Give the name of and symbol for an element with this number of valence electrons. a) 2 b) 6 c) 8

A: Valence electrons are the electrons which are present at the outermost shell. These electrons take…

Q: What is the purpose of subscripts in chemical formulas? So the chemist can multiply the chemical…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Give the formulas for the ions in the following two ionic compounds cation (+) anion (-) ammonium…

A: Ions are charged specis which participate in ionic bond formation.

Q: How can you tell in an IR spectrum if the compound has just one or two oxygens? What is the…

A: Infrared Spectroscopy or IR spectroscopy is the study and measurement of interaction between the…