(b) Figure 1 shows three metal blocks.
The blocks are not labelled.
One block is a permanent magnet, one is iron and one is aluminium.
Figure 1
Describe how another permanent magnet can be used to identify the blocks.

Why does his teacher ask him to balance the equation by including the correct coefficient

What are the major types of a chemical compound

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.