Answer: electron on the shell of the atom
Explanation: that what I trying to remember
Answer:
20 electrons
A neutral atom with atomic number 20 will have 20 electrons.
The atomic number is, by definiton, the number of protons in an atom's nucleus but for a neutral atom it's also equal to the number of electrons. Each element has a different, unique number of protons that determines its identity.
Explanation:
Mole= Molarity. Volume(L) = (25)(2)= 50 moles
<h2><em>Solid. Because molecules densely packed it has a high resistance to flow thereby lower kinetic energy.
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<span>1. Fill a beaker or graduated cylinder with enough water to completely immerse the sphere in. 2. Record the baseline initial measurement. 3. Drop the sphere in. 4 <span>Record final measurement.</span></span>
