04:15Types of Matter: Elements, Compounds, and MixturesProfessor Dave Explains3352views27rank1comments
10:02Classifying Matter With Practice Problems | Study Chemistry With UsMelissa Maribel1295views2rank
06:59Classification of matter | Element, compound, homogeneous mixture, heterogeneous mixture - Dr KChemSimplified822views1rank
07:50Pure Substances, Elements, Compounds, Homogenous & Heterogenous Mixture Examples and ProblemsConquer Chemistry1672views
04:353 States of Matter for Kids (Solid, Liquid, Gas): Science for Children - FreeSchoolFree School1666views4rank
Open QuestionClassify each of the following as an element, compound or mixture.a) Ammonia, NH3b) Gold barc) Orange juiced) Winee) Saline solution3781views48rank5comments
Multiple ChoiceConsider the following data obtained by decomposing samples of carbon dioxide, CO2, into its component elements. Mass of CO2 and Components Sample Mass CO2 Mass C Mass O2 1 44.00 g 12.00 g 32.00 g 2 22.00 g 6.00 g 16.00 g 3 88.00 g 24.00 g 64.00 g Which of the following statements is consistent with this data?732views
Open QuestionBased on the given information, what is the best classification for this sample of crude oil?299views
Open QuestionWhich solution is a homogeneous mixture: sand and water, salt and water, salad dressing, or soil?354views
Open QuestionIn the following images, the white spheres represent hydrogen atoms and the red spheres represent oxygen atoms. classify each sample as an element, a compound, or a mixture.501views
Open QuestionWhat is the correct classification of a mixture in which both a solid and a liquid are visible?256views
Open QuestionWhich of the following is the correct representation of a mixture of an element and a compound?866views
Open QuestionUnlike an element, a(n) ________ may be separated through a physical process like filtration.260views
Open QuestionOne particular type of atom and it cannot be broken down into a simpler substance250views
Open QuestionA substance made up of two or more elements that have been chemically combined is called241views
Open QuestionA substance made of atoms of two or more different elements joined by chemical bonds.238views
Open QuestionA substance that cannot be broken down into other substances by ordinary chemical procedures is a(n)212views
Open QuestionWhen 1 carbon atom combines with 2 oxygen atoms, the resulting substance is called a(n)?233views
Open QuestionA(n) ____________________________________________ is a pure substance made of only one type of atom.278views
Open QuestionWhich of the following could be classified as matter? check all of the boxes that apply.270views
Open QuestionThe molecular model of a molecule has four black spheres, ten light gray spheres, and one red sphere. Which of the following statements is or are true?i. There are 15 atoms in the molecule.ii. The black spheres are atoms of the same element.iii. There are atoms of three different elements in the molecule.
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