In what way does the arrangement of the periodic table tell you information about the elements? (1 point) a
Elements near each other generally have the same color.

b
The placement of an element tells you about the reactivity of the element.

c
Elements are placed in rows based on how many valence electrons they have.

d
The placement of an element tells you how many isotopes it has.

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

The table lists pressure and volume values for a particular gas. which is the best estimate for the value of v at p = 7.0 × 103 pascals?

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!