Which mineral will scratch glass?

Orthoclase will scratch glass but not pyrite. orthoclase has a larger hardness than glass so it will scratch it but around the same hardness as pyrite so it wouldn’t scratch pyrite

Ithink d hope that

If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom