Answers on google "The five nonmetallic chemical elements that make up the halogen family are fluorine(the symbol for which is F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). The halogens are in Group VIIa of the periodic table (see Periodic Table)."
They have the same number of protons in the nucleus.
Answer:
Explanation:
We can use the Ideal Gas Law — pV = nRT
Data:
V = 15.0 L
n = 0.55 mol
T = 300 K
Calculation:
Answer:
Density is a value for mass, such as kg, divided by a value for volume, such as m3. Density is a physical property of a substance that represents the mass of that substance per unit volume. It is a property that can be used to describe a substance. We calculate as follows:
Volume = 60.0 g ( 1 mL / 0.70 g ) = 85.71 mL
Therefore, the correct answer is option B.
Explanation:
Answer:
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Explanation:
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