Question

28Which is true?

a)All elements are made of atoms.



b)All atoms are made of elements.

c)Atoms can be seen with normal microscopes.

d)Only some types of matter are made of elements.



29Which particles make up the center of an atom?

A) only protons

B) only electrons

C)protons and neutronD)neutrons and electrons

Answer 1

28) All elements are made of atoms

29)Protons and Neutrons
-Electrons make up the outside of the Nucleus