1. (6.6 A) Students were given four substances and asked to observe their 7 points characteristics. Their observations are shown in the table below. Which of
the unknown substances is MOST likely a METAL?
Observation of Unknown substances
Unknown
Observation
Appearance
Conduct electricity
NA
Black and gritty
Snaps easily into small
pieces
Yes
Shiny
Bends easily
NO
Blue
Bends and snaps back
into original shape
Yes
Gear
Shatter easily
0 1
O2
3
4
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