Answer:
Atoms in the same group share the same amount of valence electrons and reactivity. Atoms in the same period, share energy levels.
Explanation:
I believe the answer is C !
Answer: In order to melt a network solid, a relatively large amount of heat is needed, sufficient to break the covalent bonds that hold the entire solid together
hope this helps
Answer:
Bromine (Br, element 35), also found as a diatomic molecule (Br2), is a liquid at room temperature, solidifying at -7.2ºC. GOOD LESSONS ♡