Since the mass of of the helium nucleus is approx. 4.00 amu
Answer: metal
Explanation:
it falls under the blue part of the periodic table and according to the key it is a metal. i also took two years of AP chem so i have a little experience with the subject ;) hope this helps!!!
good luck!!!! <3
Sulfur normally has 16 electrons (see the periodic table), but the 2- indicates that the atom is gaining 2 electrons. because of that, the answer would be 18.
hope this helped!
<span>Aluminum Oxide Formula</span>
Answer:
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Calcium phosphide (CP) is the inorganic compound with the formula Ca3P2. It is one of several phosphides of calcium, being described as the salt-like material composed of Ca2+ and P3−.
Explanation: