Answer is: D. Neon is the most stable element because its highest occupied energy level is filled.
Neon (symbol: Ne) is an element (noble gas) with atomic number 10, which means it has 10 protons and 10 electrons.
Electron configuration of neon atom: ₁₀Ne 1s²2s²2p⁶.
Noble gases are in group 18: helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe) and radon (Rn). They have very low chemical reactivity.
Answer:
[MCHM] = 7.52 M
Explanation:
This all about unit conversion
1 feet = 0.3048 meters
1 yard = 0.9144 meters
7.60 feet . 0.3048 = 2.31 meters deep
100 yd . 0.9144 meters = 91.44 meters long and 91.44 meters wide
In the river we have a volume of:
2.31 m . 91.44m . 91.44m = 19314.5 m³
1 dm³ = 1 L
1 dm³ = 0.001 m³
19314.5 m³ / 0.001 m³ = 19314542 L (The final volume of the river)
3.785 L = 1 gallon
In 19314542 L, we have (19314542 / 3.785) = 5102917 gallons
1 gallon = 128 oz
5102917 gallons . 128 = 653173376 oz
1 oz = 28.3495 g
653173376 oz . 28.495 = 1.86x10¹⁰ grams
Molar mass MCHM = 128 g/m
Moles of MCHM = 1.86x10¹⁰ grams / 128 g/m = 145312500 moles
Molarity = mol /L → 145312500 moles / 19314542 L = 7.52 M
Answer:
the particles start to spread out and cause it to get warmer
Explanation:
94.63 mg/L as a unit of density is equivalent to 9.463 × 10-⁵ g/mL.
<h3>What is density?</h3>
Density is a measure of the mass of matter contained by a unit volume.
Density of a substance can be calculated by dividing the mass of the substance in grams by its volume in milllilitres. This means that the unit of measurement for density is g/mL.
However, the conversion factor of g/mL to mg/L is as follows:
1 gram/millilitre = 1000000 milligrams/litre
94.63 mg/L = 94.63 ÷ 1000000
= 9.463 × 10-⁵ g/mL
Therefore, 94.63 mg/L as a unit of density is equivalent to 9.463 × 10-⁵ g/mL.
Learn more about density at: brainly.com/question/15164682
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Answer:
619.465 kilometers
Explanation:
1609 m = 1 mile
so 385 miles is equal to 619465 meters (385 x 1609= 619465)
1000 meters = 1 km
so 619465 meters is 619.465 kilometers
