SC 130 Physical science quiz nine • Name:
- _______________ Blast from the past: Last night I went out and ran 5.23 km in 31 minutes and 35 seconds. What was my speed in meters/second?
- ______________________________ In the second row on the left hand side is the element with the abbreviation N. What element is N?
- _______________ How many protons does N have?
- _______________ How many electrons does N have?
- _______________ How many neutrons does N have?
- ______________________________ Toughie: In the top row of the middle section of the chart, the metals, is Cu. As a child I collected the colorful ores of Cu while on vacations in the upper midwestern United States. What is Cu?
- _______________ How many protons does Cu have?
- _______________ How many electrons does Cu have?
- _______________ How many neutrons does Cu have?
- _______________ Toughie: Which element, by two letter symbol not name, is used in wedding rings?
- _______________ What is the common name for H2O?
- _______________ Is lime juice an acid or a base?
- _______________ Can boiled flowers detect acids and bases?
- _______________ NH3 is ammonia. Is ammonia an acid or base?
- Of what elements is an NH3 ammonia composed and how many of each atom?
- Sketch a molecule of NH3
Physci spring 2008 •
Physci fall 2007 •
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