Answer:
trigonal pyramid
Explanation:
Valence electrons of phosphorus = 5
Valence electrons of hydrogen = 1
The total number of the valence electrons = 5 + 3(1) = 8
The Lewis structure is drawn in such a way that the octet of each atom and duet for the hydrogen in the molecule is complete. So,
<u>The Lewis structure is shown below in the image below.</u>
The central atom , P has 3 bonded pairs of electrons and 1 non bonded.
Number of bond pairs = 3
Number of lone pairs = 1
The formula is 
.
<u>According to VSEPR theory, has trigonal pyramidal shape to minimize the repulsions. </u>
Answer:
Spot (4) Has evidence that there were waves here at some point. It looks as if the sand/surface debris was moved back and forth, creating this pattern in the sand. Spots (5) and (7) show evidence of water erosion. The smooth edges of both hills mean that water once flowed through that area, carrying little pebbles and rocks that gradually shaped and smoothed those mounds. An example for this would be how there are smooth areas in the Grand Canyon where scientists have concluded that some, if not all, of the Grand Canyon was formed by flowing water. "Rapid uplift, cracking, and surface drainage of receding floodwaters provide both the path and the necessary volume of water to quickly carve out Grand Canyon," says scholars on icr.org.
Explanation:
Water Erosion exists.
From the formula of methane it is clear that one mole of methane has 4hydrogen atoms. So, 37.6×1023 hydrogen atoms are there in 25.0 g of methane. Therefore, 9.4×1023methane molecules and 9.4×1023 hydrogen and 37.6×1023carbon atoms are there in 25.0 g of methane.
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