Ok I'm playing minecraft I have 30 levels and a full enchantment room, what's better using thirty levels on a diamond axe of a diamond picaxe

diamond axe

Explanation:

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Use it on your diamond pickaxe, natually a axe is good at chopping wood so you wouldnt need an enchantment, however Pickaxe would be good with something like Unbreaking or Fourtune or efficiency since you mine for 98% of your recources you use

b. acid is the correct answer @jayxboof all social media

acid : acids are those which accepts an electron-pairs.

base : bases are those which donates ab electron-pairs.

alkali : it is a base that dissolves in water. it is basically a base and the ph greater than 7.

hydroxide ion : it is a poly-atomic ion which is negatively charged.

explanation:

let the different atoms be x and y. each with four protons and same mass will be represented as follows.

mass number is number of protons + number of neutrons.

            and  

since, it is given that one has a negative charge while the other is neutral. therefore, there will be increase in number of protons and the atom will be represented as follows.

according to periodic table, mass number of beryllium is 9 and it has atomic number 4 so, the atoms will be and .  

the protons and neutrons will be located inside the nucleus whereas the electrons will be revolving around the nucleus.