Answer:
Explanation:
Strong electrolytes completely ionize when dissolved, and no neutral molecules are formed in solution. Since NaCl is an ionic solid (s), which consists of cations Na+ and anions Cl−, no molecules of NaCl are present in NaCl solid or NaCl solution. The ionization is said to be complete.
Answer:
Electrons are moved through a magnet, creating a current. That current interacts with a circuit, moving the conductor in the orientation of the field.
Explanation:
Electro magnetic fields are used to create electric current by the movement of electrons. When a coil of wire is wrapped around a magnet it pushes electrons and they flow through a magnet to create current. This current interacts with circuit to move conductor.
Answer:
The average atomic mass of given element is 20.18 amu.
Explanation:
Given data:
Abundance of 1st isotope mass 20 amu = 90.92%
Abundance of 2nd isotope mass 21 amu = 0.257%
Abundance of 3rd isotope mass 22 amu = 8.82%
Average atomic mass = ?
Solution:
Average atomic mass = (abundance of 1st isotope × its atomic mass) +(abundance of 2nd isotope × its atomic mass) + (abundance of 3rd isotope × its atomic mass) / 100
Average atomic mass = (90.92×20)+(0.257×21)+(8.82×22) /100
Average atomic mass = 1818.4 + 5.397 +194.04 / 100
Average atomic mass = 2017.819 / 100
Average atomic mass = 20.18 amu.
The average atomic mass of given element is 20.18 amu.
Answer:
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