Discuss the link between these underlying physical/chemical properties and the environmental or biological issues associated with the following substances: elemental lead and ionic lead substances

Q: Which of the following pairs of atoms include a metal and a non-metal? 4 a) K and O b) P and Cl c)…

A: Most of the elements of the periodic table are metals. The metals are situated on the left-hand side…

Q: Which of the following exists in nature as a diatomic molecular element?  Group of answer choices…

A:

Q: Differentiate between Atomic and Ionic Radii?

A: The difference between Atomic and Ionic Radii have to be given below.

Q: what are the uses of inorganic chemistry in medicine or pharmacy

A: Inorganic chemistry can be defined as the branch of chemistry that deals with substances containing…

Q: Identify an element that would have similar properties as magnesium (Mg). Explain your choice and…

A: The element that has the similar properties like magnesium is -

Q: An element has a density of 10.25 g/cm3 and a metallic radius of 136.3 pm. The metal crystallizes in…

A: Given,  Density = d = 10.25 g/cm3  Radius = r = 136.3 pm  Lattice = bcc lattice (body centered cubic…

Q: 8. Which pair of elements do you expect to be most similar in their chemical properties? a) K and Fe…

A: Most similar in their chemical properties

Q: Which of the following metals is least chemically reactive?  potassium  sodium  iron  magnesium…

A: The reactivity of s block metals are very high due to presence of just either 1 or 2 electrons in…

Q: he most abundant elements in our food and drinks are oxygen, carbon, hydrogen and nitrogen. Why is…

A: The food contains carbohydrates, proteins, vitamins, fats and many more minerals in it.…

Q: Which of these elements is chemically similar to magnesium? O Sulfur Calcium Iron O Nickel Potassium

A: The elements placed in same group of the periodic table have same number of electrons and hence are…

Q: Classify each of the following fifth-row elements as a metal, a metalloid, or a nonmetal: (a) Y (b)…

A: The metals are elements that are aligned left side of the periodic table and have a tendency to lose…

Q: Blank 1 are alkali and alkaline earth metals (primarily calcium, magnesium, potassium, and sodium)…

A: A question based on biological importance of chemical elements that is to be accomplished.

Q: Using the model key for each element, write the chemical formula for each molecule. Hydrogen- H…

A: as it is given symbols of different element so it is very easy to give molecular formula. just…

Q: Complete the following chemical equations.a. Na(s) + H 2 O(l) →b. K(s) + H 2 O(l) →

A: The complete chemical equation has to be given.

Q: Four elements are named for planets in our solar system (including the ex-planet Pluto). Give their…

A: Since you have posted multiple questions, we are entitled to answer the first 3 only.

Q: potassium and sulfur Express your answers as ions and chemical formula separated by a commas.…

A:

Q: calculate the mass of the distillate_______________ and the density of the distillate.  use the…

A: Given,      Mass of the Empty graduate Cylinder = 5.280 grams      Mass of the Cylinder with…

Q: Differentiate between metal and non-metal on the basis of their chemical properties.

A: Metals are lustrous and opaque elements which are good conductor of heat as well as electricity. And…

Q: Part A In the following drawings, red spheres represent cations and blue spheres represent anions.…

A: In the given figure red sphere represents cations and blue spheres represents anions.  In each…

Q: All metallic elements are solid at room temperature except _________. A. sodium B. calcium C.…

A: At room temperature, mercury is not at solid state. Mercury is  liquid above 0°C Temperature This is…

Q: Calculate the radius in nanometers of a metallic atom given that it has a BCC structure and a…

A: At first, we have to find the value of edge length from the crystal density formula, then, radius .…

Q: Which of the following elements is the largest?   a barium b titanium c rubidium d sodium

A: Atomic size decreases across a period from left to right, while increases down the group.

Q: Below is a list of properties of elements. Classify them as a property of metals, nonmetals, or…

A: Properties of Metals : Conduct heat, shiny, solids at room temperature, ductile, high melting point,…

Q: write the word or words that best complete each statement. The natural magnet discovered by the…

A: Following are the appropriate answers of the given questions.

Q: Compare/Contrast elemental and ionic lead in chemical & physical properties and their effect on…

A: Lead is a dense chemical element. It is silvery bluish in color. Its color changes to dull grey when…

Q: Malleability Brittle (Malleable means- (it shatters or cracks when Element Symbo Physical…

A: Each element present our periodic table has characteristic physical and chemical properties.…

Q: How many oxygen (O) atoms are involved in this 2Fe(OH), > Fe,0, + 3H,0 A. 2 В. 3 C. 6 D. 12

A: The above reaction is between  2moles of Ferrric hydroxide    2Fe(OH)3  =  Ferric hydroxideFe2O3=…

Q: Determine the number of atoms of each element in the following molecules. Write the element symbol…

A: The molar mass of the given compound is as follows: K2CO3

Q: of a metallic atom aiven that it has a BCC structure and a density of 11.91 g/cm3 and an atomic…

A: 1. Density = M/a3.NA  where a3= volume of the unit cell M = mass  Density = 11.91g/mol (given)…

Q: Which of the following elements would you expect to have chemical properties most similar to those…

A: on the basis of the periodic table, we can say that the elements that belong to the same group have…

Q: Write the name of each element and classify it as a metal, nonmetal, or metalloid.a. K…

A: a. K = potassium, ( metal)     b. Ba = Barium ( metal)     c.  I = Iodine (non- metal)

Q: The process of iron combining with oxygen to form rust is considered a chemical change because rust…

A: Rusting It is an oxidation reaction. The iron reacts with water and oxygen to form hydrated…

Q: des of the elements of Period 3 3. The elements of Period 3 of the P.T are: sodium, magnesium,…

A:

Q: Calculate the dimensions in (mm) of a cube containing 1 mole of solid phosphor Given: Density of Pe…

A: Molar Mass of P = 30.97 g/mol Density of P = 1.82 g/cm3  Volume of cube = (side)3  Side of cube = ?

Q: Here are the common abbreviation of compounds found in commercial products and the laboratory. Find…

A: 1) MSG (added in food to give an umami flavor) - Name - monosodium glutamate. Chemical Formula -…

Q: Which of the following elements is the least metallic?   a. Aluminum   b. Phosphorus   c. Magnesium…

A: The least metallic elements are generally placed at the right-side upper corner of the periodic…

Q: Identify the group and period to which each of the following elements belongs: Si element number…

A: 1) Silicon i.e Si : Silicon is an element which is present in the carbon family in the periodic…

Q: Sulfur dioxide gas has many medicinal uses.  True  False

A: The given statement is false. Because sulfur dioxide is harmful to human body.

Q: Below is a list of properties of elements. Classify them as a property of metals, nonmetals, or…

A: Given properties:

Q: 41. Which of the following statements are true of the chemistry of Group IV elements of the Periodic…

A: Group IV Element: These group have elements Carbon, Silicon, Germanium, Tin and lead. This group…

Q: Chemical formula of Mg2+ and PO43

A: Chemical formula of an ionic compound can be formed by criss-crossing the valencies of ions.

Q: According to the Rule of Seven, what is the reference number of oxygens for boron? 4 2 1 3.

A: The number of electron and proton are equal to atomic number of an atom whereas number of neutron is…

Q: 1) indicate whether the following properties are representatives of a metal, semi metal, or non…

A: The elements that have a lustrous appearance and the high conducting property are known as metals.…