Presentation ~ above theme: "Week 19 1. What is the smallest fragment of the element gold (Au) that have the right to still it is in classified as gold? Atom Molecule neutron proton."— Presentation transcript:




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1 week 19 1. What is the smallest bit of the aspect gold (Au) that can still be classified as gold? Atom Molecule spirit proton

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2 2. I beg your pardon of the complying with is a compound?Oxygen Water Nitrogen air

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3 3. A difference between a physical change and chemical change is thatChemical readjust involves energy wile physical adjust does not. Physical readjust involves energy while chemical readjust does not. Various kinds of molecule are existing after a physical readjust but no after a chemistry change. Various kinds of molecules are present after a chemical adjust but not after a physical change.

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4 4. Two or much more atoms, join covalently, the act together a unit, are referred to as a(n) __________.Ion Atom Mixture Molecule

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5 5. Base on the adhering to characteristics, classify the state that matter5. Base on the complying with characteristics, share the state the matter. “High energy, uncovered in stars, consists of freely moving charged particles.” Gas hard Plasma fluid

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6 6. I m sorry state of issue are molecule in call with each various other but cost-free to relocate around?Solid liquid Gas Plasma

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7 Electrical come chemical. Electric to mechanical. 7. When a hair dryer is gift used, one of the power transformations that takes place is ________________. Electric to chemical. Electrical to mechanical. Mechanical to electrical. Chemistry to electrical.

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8 8. Light is an instance of which kind of energy?Nuclear Gravitational Electromagnetic chemical

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9 9. What form of energy is associated with the activity of charges, commonly electrons?Chemical electric Heat Sound

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10 10. Which case is an instance of increasing potential energy?Pulling a wagon uphill. Emptying a bucket water. A cat jumping indigenous a tree.

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A bicyclist protecting against at a prevent sign.

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