Geologists collecting rock samples to learn about Earth's interior is an example of INDIRECT evidence. true or false

Abbreviated as mg-25.

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

A1 a 2 a 3 ooh lol i think that's it