HELP ME PLEASE
Iron is a metal. Which property would you expect it to have?
A. It is a bad c...
Chemistry, 26.04.2021 23:50, alyssatamayo641
HELP ME PLEASE
Iron is a metal. Which property would you expect it to have?
A. It is a bad conductor of heat.
B. It is a gas at room temperature,
C. It is a good conductor of electricity
D. It has little or no shine
Answers: 1
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Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size
Answers: 1
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The atomic number, or number, is the described as the number of in the nucleus of an chemical element.
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