At first we thought atoms were just electrons and were negatively charged, but now we’ve learned that is can create different and many more substances.
Answer:
A car traveling 25 KM/H
Explanation:
It has the largest mass and speed.
Answer: In a covalent bond, the atoms bond by sharing electrons. Covalent bonds usually occur between nonmetals. For example, in water (H2O) each hydrogen (H) and oxygen (O) share a pair of electrons to make a molecule of two hydrogen atoms single bonded to a single oxygen atom.
Explanation:
That John Dalton was an English chemist that was most famous for proposing atomic chemistry.He proposed atomic theory in 1803,which states that all matter is composed of small indivisible particles called atoms.