Hydrogen atoms one outer electron so would be placed in group 1. However all group 1 elements are metals and elements in the same group have similar properties. Hydrogen is a non-metal and does not behave in the same way as the other group 1 elements, so that is why it is on its own.
The answer is 10. Each capital letter is an atom. The tiny numbers represent how many atoms of that type
Answer:
it has a bitter taste .
it does not produce hydroxide in the solution.
it does not feel slippery
