Answer:
number of protons =17
number of neutrons=20
number of electrons=17
Atomic number is the same as proton number
To find the neutrons
subtract the atomic number from the mass number
thus, Neutrons =Mass number - Atomic number
<em>Neut</em><em>rons</em><em>=</em><em>3</em><em>7</em><em>-</em><em>1</em><em>7</em>
<em>Neutr</em><em>ons</em><em>=</em><em>2</em><em>0</em>
What goes up must come down
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Answer:
Explanation:
Isotonic solution- refers to two solutions having the same osmotic pressure across a semipermeable membrane