Q: Where are electrons located in relation to the nucleus? Read this paragraph and choose the correct option from the provided answers: Neutralization reactions, like the other chemical reactions you have read about so far, involve electrons. Electrons are outside the nucleus of an atom. Certain other reactions involve the nucleus of an atom instead. These reactions are called nuclear reactions. You will read about them in the next chapter, "Nuclear Chemistry. ". Choices: - in the nucleus - In a sack attached to the nucleus - though the nucleus - outside the nucleus A:
outside the nucleus

Q: Which infection of multicellular eukaryotes is usually limited to particular tissues? Read this paragraph and choose the correct option from the provided answers: Choices: - bacterial - parasites - digestive - viral A:
viral

Q: What system can be used by scientists to express very small numbers? Read this paragraph and choose the correct option from the provided answers: Very small numbers can also be expressed using scientific notation. The mass of an electron in decimal notation is 0.000000000000000000000000000911 grams. In scientific notation, the mass is expressed as 9.11 10 -28 g. Notice that the value of the exponent is chosen so that the coefficient is between 1 and 10. Choices: - similar notation - scientific diffusion - certain diffusion - scientific notation A:
scientific notation