They have a complete electronic configuration .their P shell is p6 therefore cannot gain or loose electron.
Answer : The number of automobiles needed are, 
Explanation :
First we have to calculate the mass of blueberries.
As, 1.0 mole of blueberries contains
blueberries
So, 0.75 grams of blueberries contains
blueberries
Mass of blueberries =
Now we have to calculate the number of automobiles needed.
Number of automobiles needed = 
Number of automobiles needed = 
Number of automobiles needed = 
Thus, the number of automobiles needed are, 
Answer:
Sodium chloride, commonly known as salt, is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions.
Explanation:
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Answer:
A) Gold is an example.
D) There is only one type of substance present.
F) Composed of one type of atom with its own unique properties.
Explanation:
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Answer:
22)convex
23)sun (sunlight reflect of the off the surface of the moon
24)because of the way the atmosphere interacts with sunlight
25) transparent : glass,contact lenses,water,air
translucent: wax paper, oil paper, thin sheets
opaque : plastic, wood, leather
26)when light react with opaque: none of it passes though
when it reacts with transparent : it passes through
when it react with translucent : only some of it passes through, the light does not pass directly through the material
Explanation:
24 blue light is scattered in all directions by the tiny molecules of air in earth's atmosphere