Chemistry, 16.03.2020 18:43 lalisa6745
PLEASE ANSWE
How is an electromagnet different from a bar magnet?
A. Only an electromagnet attracts materials made of iron.
B. A bar magnet is a temporary and is only magnetic when a current flows through a wire wrapped around the core.
C. An electromagnet is temporary and is magnetic when a current flows through a wire wrapped around the core.
D. Only a bar magnet has a real magnetic field.
Answers: 2
Chemistry, 22.06.2019 18:30
The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of
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Chemistry, 23.06.2019 06:30
How can the number of core electrons be determined from the periodic table
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Chemistry, 23.06.2019 06:30
When microscope slides are stained to show blood cells, the small red blood cells that appear on the slides are much numerous than the large white blood cells. this supports the concept that
Answers: 1
Chemistry, 23.06.2019 09:00
Which factor is likely to impact the possible number of compounds? presence of unlimited number of elements in the periodic table the inability of atoms to align perfectly with other atoms the ability of all elements to react with every other element all elements being equally reactive
Answers: 2
PLEASE ANSWE
How is an electromagnet different from a bar magnet?
A. Only an...
How is an electromagnet different from a bar magnet?
A. Only an...
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