Fill in the blanks:(a) The symbol and atomic number of the heaviest alkaline earthmetal are_____ and ____.(b) The symbol and atomic number of the lightest metalloid inGroup 4A(14) are ___and___ .(c) Group 1B(11) consists of the coinage metals.The symboland atomic mass of the coinage metal whose atoms have thefewest electrons are__ and__ .(d) The symbol and atomic mass of the halogen in Period 4 are__and___ .

Q: A theodolite is a equipment used by engineers. Enumerate all metals and metal alloys present in it,…

A: Brief Introduction- Theodolite- Theodolite is an optical device that is used for the measurement of…

Q: The unit cell for MgFe2O4 (MgO-Fe2O3) has cubic symmetry with a unit cell edge length of 0.836 nm.…

A: It is required to determine the number of formula units per unit cell of Fe3O4. Here p is the…

Q: * IQ QI For a 60 wt% Pb -30 wt% Sn alloy as shown in figure below, Determine: (a) The phase(s) is…

A: a)The present phase are α and β represented below by C1:

Q: The following information is given for cadmium at 1atm: boiling point = 765 °C Hvap(765 °C) = 100…

A: Given: Boiling point = 765°C Melting point = 321°C Specific heat solid= 0.230 J/g°C Specific heat…

Q: For alloys of two hypothetical metals A and B, there exist an a, A-rich phase and a ß, B-rich phase.…

A:

Q: A niobium alloy is produced by introducing tungsten substitutional atoms in the BCC structure. The…

A: Given data: The atomic weight of tungsten is 183.85 g/mol and of niobium is 92.91 g/mol. The density…

Q: Two hypothetical metals are created with different elements that have thesame atomic mass (g/mole)…

A: The body-centered cubic structure(BCC) has fewer number of shared atoms when compared with the…

Q: Match the defects to their labels in the Crystal Structure below A B C D E• -Grain Boundary…

A: Given crystal structure:

Q: 7- Write the molecular formula for these : 1- Hydrogen Sulfide. 2- phosphorus Pentabromide . 3-…

A: Step 1

Q: - The relative density of Ethyl Alcohol is 0.81. FIND: A- Density(r) B-Specific Weight(g) C-…

A: Given, Relative density = 0.81 Acceleration due to gravity = 9.81 m/s2  Density of water = 1000…

Q: vvnat is the number of protons, neutrons, and electrons for element has; atomic number 9, mass…

A:

Q: Describe the Assembly of atoms forming the basic clay mineral sheet alumina octahedron .

A: The basic unit of the octahedron is shown below:

Q: Calculate the radius of a palladium atom in nm, given that Pd has a FCC crystal structure, a density…

A: Given : A = 106.4 g/mol ρ = 12 g/cm3 Palladium Structure has a FCC crystal structure, means n…

Q: Calculate the radius of the copper atom, given that copper has an FCC crystal structure, a density…

A:

Q: The center of earth (core) is believed to be composed of .nickel ......... iron and O or O not O no…

A: The centre of earth is composed of 80% of iron and 20% of nickel

Q: Silver nitrate is stored in a brown bottle

A: Silver nitrate stored in dark clour bottles:

Q: The ionic bond have electron sea True O False

A: Thank you for the question . As per honour code we are allowed to answer the first question since…

Q: incorrect about ceramics?

A: Answer option A: weak interatomic bonding

Q: Choose all the properties that define what a mineral is. Solid Is harder than glass Has no structure…

A: Given, Properties related to minerals    To find : Choice of properties that belongs to minerals

Q: Minerals: A.can form by life-processes -- organic B.are crystalline solids C.have a unique chemical…

A: Answer Mineral is a non organic, naturally occurring homogeneous solid with having a definite…

Q: In crystal structure, materials which properties identical in all directions are: a. Anisotropic b.…

A: step 1-

Structure of materials

The word ‘structure’ means the thing that is built or constructed from combining the different interrelated parts on a definite location on the ground surface. The structure should be able to possess sufficient rigidity against the external loads that are applied to it.