1) The bulb of thermometer is filled with . 2) A waves consists of crests and.

3) Magnet was discovered by .

4) The saturated solution prepared at a high temperature is called .

5) Horse is blooded animal.

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

B.) falsehope this !