Dalton thought that the atoms of each element were the same. We now know that elements can have different atoms, for example,
chlorine has two different atoms, 35Cl and 7 C.
What name is given to different types of atom of the same element?

What does earth’s rotation on its axis cause? the tides night and day passing of years phases of the moon

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.