anitha17267
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1. Define modern periodic Table.

2. Write group names of Halogens and Noble gaises.

3. What is the position of Hydrogen in the periodic Table?

4. Write 2 features of Modern periodic table.

5. Define ‘law of octaves’.​

Respuesta :

natnaelalemu49

Answer:

The modern periodic table is used to organize all the known elements. Elements are arranged in the table by increasing atomic number. In the modern periodic table, each element is represented by its chemical symbol. ... Columns of the periodic table are called groups. Elements in the same group have similar properties

poonamuma1038

Answer:

  1. the table used to organize all the known elements is called periodic table.

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