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Vanyuwa [196]
3 years ago
7

All of the elements in a family or group have similar chemical properties. which of the following statements best explains why t

his is true?
a. the elements in a group have the same number of protons in their nuclei.
b. the elements in a group have similar atomic mass numbers.
c. the elements in a group have the same number of valence electrons.
d. the elements in a group have similar atomic numbers
Chemistry
2 answers:
strojnjashka [21]3 years ago
5 0
The answer is C. They must have the same valance electrons.
Rashid [163]3 years ago
3 0
C) they have same valence electrons
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