e File Edit View History Bookmarks People Window Help Mastering Chemistry: pre-l

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e File Edit View History Bookmarks People Window Help Mastering Chemistry: pre-lecture ch1 Secure https next&assignmentpro; CHEM 111 General Chemistry I Spring 2017 pre-lecture ch1 Chapter 1 Multiple Choice Question 4 Chapter 1 Multiple Choice Question 4 Part A A scientific law cannot be modified. is subject to change via legal action. O contains an explanation of observations. O must have a mathematical formula. O is a brief statement that summarizes past observations and makes predictions. Submit My Answers Give Up

Explanation / Answer

All are valid hypothesis according to me

a) Sodium reacts violently with water as Hydrogen is released, it can ignite and burn.

b) Oxygen boiling point is - 183oC

c) Neon is an inert gas. It does not react readily.

d) Lead has properties - soft and malleable

e) Metals tend to lose electrons as thay have only 1 to 3 e- in their valence shell.

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