28) All elements are made of atoms
29)Protons and Neutrons
-Electrons make up the outside of the Nucleus
A=P +N
A=13+14
A=27 this the answer
B.Elements
Explanation: they cannot be separated
Answer:
Homogeneous - With a uniform appearance
Heterogeneous - With visible differences in the mixture
Explanation:
Referring to mixtures, homogeneous looks the same throughout, while heterogeneous has particles or whatnot.
Basically:
Homo means same
Hetero means different
Group 17
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