how many joules must be added to 10 grams of water (I) liquid to raise it's temperature from 10 to 15 degrees C

Iwould google this

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