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atom as we all know is a basic unit of matter that consists of dense central nucleus surrounded by a cloud of negatively charged electrons. The atomic nucleus contains a mix of positively charged protons and electrically neutral neutrons. the word atom is not a commonly heard word reasons being is that it is the smallest recognised division of a chemical element

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Who first use the word atom?

The Greek word átomos (ἄτομος) was first used by the philosopher Democritus who lived around 450 BCE. The modern use of the word goes back to the beginnings of the science of chemistry in the mid 17th cent. It's first usage (as meaning a very small particle) outside of scientific journals and into the mainstream goes back at least as early as 1796 when the word is found in newspapers of the time. (....and was crufshed to atoms before the eyes of its unhappy mother...)


The temperature scale that scientists commonly use is the?

Scientists commonly use the Celsius or Kelvin temperature scales.


Who was the first to use the term atom?

In 460 B.C. a Greek philosopher, Democritus, developed the idea of atoms. He asked this question: If you break a piece of matter in half, and then break it in half again, how many breaks will you have to make before you can break it no further? Democritus thought that it ended at some point, a smallest possible bit of matter. He called these basic matter particles, atoms, from Greek for "not breakable": a-tomos. (For the meaning of the two word parts, compare English words like "asymmetrical" and "tome".) In India, a person named Kanaada/Kanada (known as the author of Vaisheshika Darshan) had the same idea, but obviously, he used a different word for the parts: "paramaanu" in Sanskrit, meaning "the ultimate particle". It's not clear when he lived exactly; estimates vary between 6th - 2nd Century BCE


What model do scientists use to talk about the orbits of electrons in an atom?

Proton Cloud


What units does the triple beam balance use?

i am not sure. if u read this i can hear u.