2. What is a heterogeneous mixture? Where different parts of the solid has different concentrations. Where any components that make it up are spread evenly around each other. Where molecules are mixed together, but not individual atoms.
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H2O has 2 lone pairs bonded, and BaCl2 has no lone pairs bonded. Rate this question: 1 0 3. Every molecules have 3 atoms have a same reactivity? A. Yes B. No Correct Answer B. No ExplanationNot all molecules have three atoms with the same reactivity. The reactivity of ...
1. What type of intermolecular force exists between polar molecules? Dipole-dipole London Dispersion Forces Vant Hoff Factor Polar 2. Which of the following best describes the term dipole moment? When electrons are unevenly distributed within a molecule ...
Part 5: Lewis Dot Structure and Octet Rule. Review the difference betweenLewis Dot for atoms(alsotested here) and Lewis structure for molecules in thenext series. 5.a)Draw the lewis dot structure for the following atoms: Ca O Li C
Download "Elements, Compounds and Mixtures Quiz" app to install revision notes with MCQs: Elements, compounds, mixtures, molecules, atoms, and symbols for elements. Download "Energy from Chemicals Quiz" app to install revision notes with MCQs: Chemistry reactions, endothermic reactions, exothermic rea...
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Drag and Drop 编辑 5 minutes 1 point What does the subscript in a chemical formula tell you? (a) How many molecules are present How many atoms are present How many elements are present How many neutrons are present 2. Multiple Choice 编辑 5 minutes 1 point How many elements are in this...