Chem 2.jpg - 80 1 Match the description on the left with the term or example that best fits it on the right by Filling in the blank 2 points each)|*` A

Chem 2.jpg - 80 1 Match the description on the left with...

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Unformatted text preview: 80 1 . Match the description on the left with the term or example that best fits it on the right by Filling in the blank. ( 2 points each )| *` A Substance that speeds up ` reaction 4 . I'vee radical & Liquid - 7 Element with 24 protons* C . Chemical change _2_ Matter that has no definite shape and d. Solid c . Silicon not compressible* * Catalyst E L< Metalloid from period ?` & Physical change h . Hydrogen Of Condensation of water vapor i. Magnesium J . CHas by e *< Bad conductor of electricity K` Boron ` Chromium ~ ~Diatomic element In . Mixture* 2 . Fill in the blanks : ( 2 points each , except b = 3 points ! ` a - Distance between two similar successive points on the wave is Wave lengthing \} by" OF contains 10 _neutrons ,_ _ protons , \\ electrons Of ! Sub atomic particle with a charge of + 1 is < Proton *_ In an ionic bond nonmetal atoms| | | ; few electrons galD & Halogens contain\ _valence electrons 15_ 0. 0.010.0 7 38 1 = 7.38 x 10 - 5 ( express in scientific notation ) 3 . Indicate whether each statement is true or false . If false , correct the statement to make it true . ( 2 points each ) T V a. Protons and neutrons have most of the mass and but occupy very small volume of the atom* Mile OU's Nitrogen _FV/ }. The major component of air is oxygen more - 2 _EX c. 320 I'm is less energetic than 240 nim 4 . What is not true about & compound ? ( 2 points ) {}) is a pure substance b . be part of a mixture* - 2 C . be separated into other substances by a chemical process "I. )be separated into other substances by " physical process c . All are true...
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