Answer:
The Standard Model of particle physics is the theory describing three of the four known fundamental forces (the electromagnetic, weak, and strong interactions, and not including the gravitational force) in the universe, as well as classifying all known elementary particles. It was developed in stages throughout the latter half of the 20th century, through the work of many scientists around the world, with the current formulation being finalized in the mid-1970s upon experimental confirmation of the existence of quarks.
Answer:
An element
Explanation:
Elements are not able to be separated, but everything else can, whether that be physically or chemically.
It's the person that you in love with.<span />
Answer:
protons are positive and neutrons are neutral, both are in nucleus
Explanation:
