Answer: Melatonin has been used safely for up to 2 years in some people. However, it can cause some side effects including headache, short-term feelings of depression, daytime sleepiness, dizziness, stomach cramps, and irritability. Do not drive or use machinery for four to five hours after taking melatonin.
A phosphorus atom and a chlorine atom are likely to form a covalent bond because both elements are nonmetals.
Answer: C) the values of Kb and Kw
Explanation: i just took the test
Sodium has 1 valence electron and chlorine has 7 valence electrons and the goal is to get t 8 valence electrons then they attract together, forming table salt.