Answer:
epidermal! hope this helps u!
Answer:
Atoms in the same group share the same amount of valence electrons and reactivity. Atoms in the same period, share energy levels.
Explanation:
Answer:
nitric acid + iron=iron+[nitric acid ] 2 hydrogen
Sorry this isnt an answer but this is a lot of work, if you really need it answered make it worth more points :)
<span>When a chemist mixes oxygen gas and hydrogen gas to form
water, which is composed of one oxygen and two hydrogen atoms per molecule. The hydrogen and oxygen atoms bounds together by making a bond called covalent bond.<span> In a covalent bond, two atoms are bound
together because they each want to "share" each other's electrons.</span></span>