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Question:- How did the telephone help the Industrial Revolution? Answer: The telephone was a handy tool in the Industrial Revolution and it brought a positive change, especially in the communication and carrying out of businesses. Consequent to this, it helped foster fast and distant communications and correspondingly has become instrumental in improving factory-to-supplier and factory-to-customer…

What is the electron configuration of Kr? Answer: The electron configuration of Krypton is 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶. This configuration depicts the places where electrons orbiting the nucleus of a krypton atom are found when the atom is in its normal state. The number of electrons of the atom equals the…

How many valence electrons does vanadium have? Answer: Vanadium has 5 valence electrons. Vanadium belongs to group 5 and its atomic number is 23; it is a transition metal. Its electron configuration is [Ar] 3d³ 4s². The valence electrons are the outermost s electrons and the other d electrons and the following calories are added…

Which of the following clues would tell you if a cell is prokaryotic or eukaryotic? a. whether or not the cell carries out cellular metabolism b. the presence or absence of ribosomes c. whether or not the cell is partitioned by internal membranes d. whether or not the cell contains DNA Answer: c. whether or…

What is the shortest bone in the human body? Answer: The tiniest bone found in humans is also called the stirrup bone and scientifically, it is referred to as stapes. The stapes is sited in the ear and it is among the facets that play a critical role in hearing. It is the smallest and…

Select the dominant intermolecular force between acetone molecules. a. hydrogen bonding b. London dispersion forces c. ion-dipole forces d. dipole-dipole forces Answer: d. dipole-dipole forces In acetone, the major type of intermolecular force is the dipole-dipole force since it is a polar molecule. The structure of acetone has functional groups, which makes it polar; the…

What is the difference between a square and a parallelogram? Answer: The key difference between a square and a parallelogram can be discussed referring to the geometric characteristics of the shapes as well as the restrictions affecting them. A square is a particular type of parallelogram; however, it comes with the extra conditions. It is…

What material makes up Earth’s inner core? Answer: It can be said that the primary constituent of the inner core of the Earth is the solid iron combined with nickel. This composition has not been done directly but requires information from other sources like Seismic Waves & models of the formation of the earth. The…

How many valence electrons does each of the following atoms possess? a) cesium, Z = 55 c) krypton, Z = 36 b) boron, Z = 5 d) magnesium, Z = 12 Answer: Here are the valence electron counts for the given atoms: a) Cesium (Z = 55): 1 valence electron. b) Krypton (Z = 36):…

What does the Murphree water treatment plant use to disinfect the water? (a) Chlorine (b) Phosphorus (c) Oxygen (d) Nitrogen Answer: (a) Chlorine Murphree water treatment plants like most water treatment plants have adopted chlorination as their primary method of disinfection. Chlorination is one of the most effective and common approaches to water disinfection since…