Mendeleev organized his periodic table in order of increasing atomic number in 1869.
Answer:
Es la tercera por qué cuando el material varía va cambiando de estado
Explanation:
Answer:
5 point) Chemists used systems and order because they study the basic unit of all forms of matter, which is the atom . However, there are several different kinds of atoms, called elements . Chemists organize these elements using the periodic table .
Explanation:
Answer:
Water is a human necessity. Therefore, it is one of the first things a human settlement would need to have. A community cannot thrive without a water source.
They become more stable because they achieve a full outer shell of valence electrons with the magic number of 8.
