WILL GIVE BRAINLIEST! QUESTION WORTH 50 POINTS
How can the mass of a sample of matter be decreased? (2 points)
A. Freeze it in a freezer.
B. Remove some matter.
C. Boil it on the stove.
D. Burn it in a fire.

The answer is d because i just took the test

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