1. P is phosphorus, not phosphate.
QUESTION:
Which of the these symbols is paired with its correct name? A. P, phosphate B. Si, silver C. Hg, hydrogen D. Pb, lead
P is phosphorus, not phosphate.
Si is silicon. Silver is Ag. Latin name of silver is Argentum.
SCRIPT:
Which of the these symbols is paired with its correct name? A. P, phosphate B. Si, silver C. Hg, hydrogen D. Pb, lead PAUSE
CLICK.
Choice A is wrong. P is the symbol for phosphorus, not phosphate.
CROSS OUT A
CLICK Choice B is also wrong. Si is the symbol for silicon, not silver. The symbol for silver is Ag.
HIGHLIGHT Ag
Which is derived from the latin name for silver, which is Argentum.
HIGLIGHT A and g in Argentum.
CROSS OUT B
CLICK Choice C is also incorrect. Hg is the symbol for mercury, not hydrogen. The Latin name for mercury is hydrargyrum, which literally means silvery water. Mercury is the silvery liquid found in thermometers and blood pressure apparatus. It’s not silver and it’s not water. The symbol for hydrogen in just H.
CROSS OUT C
CLICK The symbol for cobalt is upper case C, lower case O.
CLICK Choice D is correct. The symbol for lead is Pb. The symbol is derived from the latin name for lead, which is plumbum.
HIGHLIGHT P and b in Plumbum, which is the root word for plumber. Lead pipes are used for plumbing.
CLICK
PAUSE END RECORDING.
Hg is mercury. Latin name of mercury is hydrargyrum (“silvery water”). Hydrogen is H.
Pb is lead. Latin name of lead is Plumbum, the root word for plumber.

2. Video ID: © 2008, Project VALUE (Video Assessment Library for Undergraduate Education), Department of Physical Sciences Nicholls State University Author: Glenn V. Lo Narrator: Funded by Louisiana Board of Regents Contract No. LA-DL-SELECT-13-07/08