The elements in group 17 of the periodic table are all called halogens. All halogens have the same

0

atomic number.

atomic mass.

number of possible isotopes.

number of valence electrons.

Question

Chemistry

Alfredo

22 September, 11:43

The elements in group 17 of the periodic table are all called halogens. All halogens have the same

0

atomic number.

atomic mass.

number of possible isotopes.

number of valence electrons.

+5

Answers (2)

Know the Answer?

Tucker Walls · Answer 1

number of valence electrons

Explanation:

All of the elements in group 17, also known as group 7A, have 7 valence electrons.

No two elements have the same atomic number nor atomic mass in elemental form.

Halogens may have any number of isotopes.

Sierra Terry · Answer 2

(D) number of valence electrons.

Explanation:

jus took the test

The elements in group 17 of the periodic table are all called halogens. All halogens have the same0atomic number.atomic mass.number of possible isotopes.number of valence electrons.

The elements in group 17 of the periodic table are all called halogens. All halogens have the same

0

atomic number.

atomic mass.

number of possible isotopes.

number of valence electrons.