Answer:
# The simpliest is: H-H
# All gases formed by elements of the 7th group in the periodic table:
F-F, Cl-Cl, Br-Br, I-I
# In general, Covalent bonds formed between atoms of the same kind are usually non-polar.
Explanation:
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80. Ionic
81. Covalent
82. Metallic
83. Covalent
84. Metallic
85. Covalent
86. Ionic
Answer:
Find the explanation below.
Explanation:
It would make sense for the United States to use SI units in everyday life because most calculations they do, in daily activities such as business and science, affect people in other parts of the world. For example, a United States writer who writes about weight in pounds(lb) and ounce(oz) might not be easily understood by a reader in many other countries of the world. This is because the reader might not be able to convert the measurement using the standards of the SI units where weight is measured in kilograms(kg).
The international system of units is the upgraded system of measurement from the metric system and it is used by almost all the countries of the world except three countries of which the United States is included.
The melting point of a particular compound is fixed and it is an important identification of an unknown compound. The practice to determine the melting point of an unknown material In different ratio with a known material is important to get the exact melting point of the unknown material. In different ratio the melting point of the unknown material will be fixed as the melting point of a pure material doesn't depend on the ratio in which they are mixed with other material. To get the exact melting point it is always good to get the melting point twice in different ratio.
Answer:
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Explanation:
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