Nettet27. nov. 2024 · The number preceding an element symbol or compound formula tells how many atoms or molecules. If no number appears before the symbol, there is only one atom or molecule. ... For example, many fluoride rinses list stannous fluoride as an ingredient. Stannous refers to tin(II), so the chemical formula for stannous fluoride is SnF 2. NettetStart studying Unit 1: Element, compound, solution, or heterogeneous mixture?. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
3.5: Pure Substances and Mixtures - Chemistry LibreTexts
Nettet23. mai 2024 · Element Explanation: An element is a pure substance as well, because if we fill up a balloon with just helium gas, it will only contain helium atoms. On the periodic table of elements, helium is element number 2, and so that should tell you that it's an element of course... Answer link NettetA. Solution B. Compounds C. Homogeneous Mixture D. Colloids B. Compounds Which of the following is NOT a pure substance? A. Milk B. Oxygen C. Water D. Carbon Dioxide A. Milk A substance that is only … read truthwitch online free
Is mouthwash homogeneous or heterogeneous mixture?
NettetBackground: The clinical effect of Listerine, a mouth rinse containing a mixture of phenolic compounds, is ascribed to its bactericidal properties. However, phenolic compounds … Netteta. an element. b. a substance. c. a compound. d. a homogeneous mixture. a. an element. The most modern definition of element is. a) a substance that cannot be … Nettet(a) salad O element O compound O heterogeneous mixture O homogeneous mixture (b) carbon o element O compound heterogeneous mixture O homogeneous mixture (c) sulfur O element compound O heterogeneous mixture O homogeneous mixture (d) zinc sulfide Show transcribed image text Expert Answer 100% (2 ratings) Transcribed image text: how to store data inside dvd