A bar magnet was placed on a sheet of paper as shown in figure 2. At which point is the strength of the magnet field greatest? - A
- B
- C
- the magnetic field strength is the same at all three position.

answer seismograph;

ca has a crystalline lattice with positive ions (since it is a metal, metals are positively charged) and electrons flow freely in its structure since the ca atoms have a large nuclear radius so the electrons are not tightly held, therefore the electrons can flow freely since they are not being highly attracted by the nucleus. moreover, one of the properties of metals are that they are conductors of electricity, thus proving ca is the element.

answerambulatory;