which statement is true about all the atoms of a given element?\na they all have the same number of…

which statement is true about all the atoms of a given element?\na they all have the same number of protons.\nb they can have a different number of protons.\nc they have the same number of neutrons.\nd they are the same size as the atoms of all other elements.

which statement is true about all the atoms of a given element?\na they all have the same number of protons.\nb they can have a different number of protons.\nc they have the same number of neutrons.\nd they are the same size as the atoms of all other elements.

Answer

Brief Explanations:

Atoms of a given element can have different numbers of neutrons (isotopes), but always the same number of protons. Option a is incorrect as they don't all have the same number of protons (that's for same - element atoms). Option c is wrong because neutrons can vary (isotopes). Option d is incorrect as atom size varies by element. Option b is correct as isotopes (atoms of the same element) can have different neutron numbers (thus different mass numbers while protons are same).

Answer:

B. They can have a different number of protons.