Answer:
May be 119 elements are artificially made.
Answer:
Explanation:
The that end in -ide include, hydroxide, peroxide, cyanide, ##NH_2^-## amide and hydrogen sulfide. The -ide suffix, is usually reserved for monatomic anions. Non-metal ions like oxygen, fluorine and chlorine take on the -ide and become oxide, fluoride and chloride.
U are in my class because the teacher gave the same question I will tell aleveryone that you are cheat in g
Answer:
escribe esa pregunta en una región de Latinoamérica
The question asks about the average kinetic energy so it is not related with mass. We only need to compare the temperature. The higher temperature is, the higher kinetic energy is. So the answer is (2).
