Q: The coordination sphere consists of the central metal ion or atom plus its attached what? Read this paragraph and choose the correct option from the provided answers: The coordination sphere consists of the central metal ion or atom plus its attached ligands. Brackets in a formula enclose the coordination sphere; species outside the brackets are not part of the coordination sphere. The coordination number of the central metal ion or atom is the number of donor atoms bonded to it. The coordination number for the silver ion in [Ag(NH3)2]+ is two (Figure 19.14). For the copper(II) ion in [CuCl4]2, the coordination number is four, whereas for the cobalt(II) ion in [Co(H2O)6]2+ the coordination number is six. Each of these ligands is monodentate, from the Greek for "one toothed," meaning that they connect with the central metal through only one atom. In this case, the number of ligands and the coordination number are equal. Choices: - subunits - strands - molecules - ligands A:
ligands

(Question)
Q: What do you call the light particles that travel through the radiative zone? Read this paragraph and choose the correct option from the provided answers: The radiative zone is the next layer out. It has a temperature of about 4 million degrees C. Energy from the core travels through the radiative zone. The rate the energy travels is extremely slow. Light particles, called photons, can only travel a few millimeters before they hit another particle. The particles are absorbed and then released again. It may take 50 million years for a photon to travel all the way through the radiative zone. Choices: - neutrons - ions - electrons - photons A:
(Answer)
photons

Ques: Q: Water dissolving minerals out of rocks makes ocean water what? Read this paragraph and choose the correct option from the provided answers: Ocean water is salty because water dissolves minerals out of rocks. This happens whenever water flows over or through rocks. Much of this water and its minerals flow in rivers that end up in the oceans. Minerals dissolved in water form salts. When the water evaporates, it leaves the salts behind. As a result, ocean water is much saltier than other water on Earth. Choices: - muddy - bitter - sweet - salty A:
Ans: salty

(Q).
Q: Many ionic compounds occur as hydrates, compounds that contain specific ratios of loosely bound water molecules, called waters of hydration. waters of hydration can often be removed simply by doing this? Read this paragraph and choose the correct option from the provided answers: Hydrates Many ionic compounds occur as hydrates, compounds that contain specific ratios of loosely bound water molecules, called waters of hydration. Waters of hydration can often be removed simply by heating. For example, calcium dihydrogen phosphate can form a solid that contains one molecule of water per Ca(H2PO4)2 unit and is used as a leavening agent in the food industry to cause baked goods to rise. The empirical formula for the solid is Ca(H 2PO4)2H2O. In contrast, copper sulfate usually forms a blue solid that contains five waters of hydration per formula unit, with the empirical formula CuSO 45H2O. When heated, all five water molecules are lost, giving a white solid with the empirical formula CuSO 4 (Figure 2.9 "Loss of Water from a Hydrate with Heating"). Choices: - cooling - observing - melting - heating A:
(A).
heating

Ques:Q: What type of taste do bases normally have? Read this paragraph and choose the correct option from the provided answers: Bases often have a bitter taste and are found in foods less frequently than acids. Many bases, like soaps, are slippery to the touch. Choices: - sour - salty - sweet - bitter A:

Ans:bitter

Q: What does the secondary oocyte have the most of from the original cell? Read this paragraph and choose the correct option from the provided answers: Beginning in puberty, each month one of the follicles and its primary oocyte starts to mature (also see Figure below ). The primary oocyte resumes meiosis and divides to form a secondary oocyte and a smaller cell, called a polar body. Both the secondary oocyte and polar body are haploid cells. The secondary oocyte has most of the cytoplasm from the original cell and is much larger than the polar body. Choices: - rna - bacteria - electron - cytoplasm A:
cytoplasm