Answer:
Each nitrogen molecule consists of two atoms of nitrogen that are bonded by a triple covalent bond. This is a direct consequence of the fact that each nitrogen atom has 5 valence electrons. Each atom can thus complete its octet by sharing three electrons.
Explanation:
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Answer: M = 2.08 M
Explanation: Molarity is expressed as the number of moles per unit volume in liters. First convert the mass of HCl to moles using its molar mass. Then substitute the variables to the formula for molarity.
75.00 g HCl x 1 mole HCl / 36 g HCl
= 2.08 moles HCl
For Molarity.
M = n / L
= 2.08 moles HCl / 1.000 L
= 2.08 M
Answer:
a reaction in which one element is substituted for another element in a compound
Explanation:
Answer:
Protons have a much larger volume than neutrons.
The answers are:
1. B. Protons
2. B. Nuclide
3. D. Even
4. B.<span>Isotopes are two or more atoms with the same atomic number, but a different mass number.
Isotopes are basically identical elements with different numbers of neutrons. Ideally, the number of protons and neutrons should be the same, but there are instances where neutrons are greater, making the isotopes more unstable. The force that holds together the nucleus of atoms is know as the strong force, and it overcomes the repulsive forces between protons. </span>
