5 Is What Percent of 20 ? ​

question 16

Multiple Choice

5 is what percent of 20 ? ​

• A) 100 %
• B) 5 %
• C) 20 %
• D) 75 %
• E) 25 %

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Definitions:

Isotope

Variants of a particular chemical element which differ in neutron number, and consequently in mass, but not in electrical charge.

Sr

Strontium, a chemical element with symbol Sr and atomic number 38, known for its bright-red flames in fireworks.

Isotope

Variants of a particular chemical element which differ in neutron number, and consequently in nucleon number, but have the same number of protons.