write the word or pillasu Circle T if the statement is true. If the statement is
ID: 294645 • Letter: W
Question
write the word or pillasu Circle T if the statement is true. If the statement is false, circle F; then on the blank line that makes the statement true when substituted for the word or phrase in boldface type. 1. T F How a substance reacts with other substances helps define its physical properties. Matter is anything that takes up space and has mass. Atoms are the smallest units of elements that have the properties 2. T F 3, T of that element. 4. T F Atomic number is the number of protons and neutrons in an atom. 5, T F An isotope is a combination of letters and numbers that shows TFwhich elements make up a c which elements make up a compound. An ion is an atom or molecule that carries a charge. Fracture is the tendency of a mineral to split along specific 6, T F planes of weakness. 8. T F A mixture is a combination of two or more substances that ane not chemically combined 9, T F Magma that cools deep inside the crust forms extrusive igneous rock. 10. T F Organic sedimentary rock forms when pieces of preexisting rock are cemented together. Ores are mineral deposits from which metals and nonmetals can be removed profitably. 12. T F One characteristic of a mineral is that it is inorganic. (over) 71 2744BExplanation / Answer
1. False Chemical ( As we know that how a substance reacts with other substances helps define its chemical properties.)
2. True (As matter is defined as anything thing visible or non visible that takes up space and have mass.
3. True ( As atom is the smallest unit of an element that have it’s characteristic properties, don’t get confused with electron as it is not having any characteristic properties of any particular element.)
4. False Atomic mass (As atomic number is the mass of proton that is present in an atom while atomic mass represents the mass of an atom and since electrons have negligible mass hence it is the sum of the number of protons and neutrons that is present is an atom.)
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