Critical Thinking Questions

8. What relationship exists between an atom's valence electrons and the number of dots in the

Lewis structure of the atom?

Which one of these is caused by gravity? A. frost wedging. B. mass wasting. C. Aeolian bands. D. Glaciation

Which two substances are covalent compounds? (1) C6H12O6 (s) and KI (s) (2) C6H12O (s) and HCl (g) (3) KI (s) and NaCl (s) (4) NaCl (s) and HCl (g)

Distinguish betwn. Metals s non-metais

Farming is one example of a human activity that has changed the environment. Which is the NOT a reason farming has hurt the environment?

How does a chiken eat

How many carbon atoms will be in the longest chain of 3,3,4,4-tetramethylhexane? How many sub-chains will there be in 3,3,4,4-tetramethylhexane?

What conditions make for a weak volcanic eruption?

Recording station x has determined that the epicenter of a recent earthquake was 250 km away. no information is available yet from any other recording stations. what can you conclude about the location of the epicenter?

A crane lifts a cargo box 10 m off the ground. If the crane lifts the cargo box twice as high, the potential energy will increase by

Consider the reaction cacn2 + 3 h2o → caco3 + 2 nh3. how much nh3 is produced if 187 g of caco3 are produced? 1. 2.13 mol 2. 63.6 mol 3. 3.74 mol 4. 36.1 mol 5. 1.06 mol 6. 72.3 mol