Answer:
Element.
Explanation:
Aluminum is an element because it is not separable into simpler substances. One thing important to keep in mind is that if something is on the Periodic Table of Elements, it is 100% an element.
Nitrogen has 5 valence electrons.
Answer:
Moles of HCl= 6×0.300+1×0.200=2 mol.
Volume of the solution is 1 L.
So, molar concentration of [H
+
] ion =
1
2
=2 M.
Answer:
Explanation:
Electronegativity is a measure of the ability of an atom to attract the electrons when the atom is part of a compound. Electronegativity values generally increase from left to right across the periodic table. The highest electronegativity value is for fluorine.
Well, from what I can currently see, the only way the lines making a circle around the high pressure areas can indacate anything is nothing....because nothing is here. So technically I have fully answered your question.