Select the correct answer. what is the chemical name of the covalent compound p4o9? a. tetraphosphorus nonaoxygen b. tetraphosphate nonoxygen c. tetraphosphide nonaoxide d. tetraphosphorus nonoxide

Answer : The correct option is D.

Explanation :

The rules for naming of binary molecular compound :

In the given formula, the lower group number element is written first in the name and keep its element name and the higher group number is written second.

First element in the formula is named first and keep its element name.

Second element is named second.

Therefore, the chemical name of compound is Tetra-phosphorous nonoxide.

tracks, burrows, eggshells, nests, tooth marks, or gastroliths

the density(ratio between mass and volume as m/v) decreases from top to bottom in periodic table group as the size increases and nuclear charge decreases. but in periods density increases from left to right as atom size decreases and nuclear charge increases.