Answer: 1. Periods 2. One, electrons 3. Two, electrons 3. Elements 4. Electrons, outermost 5. One, two 6. Seven, six
Explanation: they needed one and two electrons to complete their outer shell, so the have same valence but negative.
Answer:
M + H2O = MO + H2
Explanation:
When metals react with water they form oxides of the metal and hydrogen gas
Answer:
the cells start to deteriorate
Explanation:
the lack of oxygen to your body and cells will cause them to break down.
Two of the strongest forms of chemical bond are the ionic and the covalent bonds. Chemical bonds form between two atoms, each with its own electron environment