Asked by Elizabeth Ogeletey on Oct 01, 2024

An element has Z=38 and 50 neutrons, what element and isotope is it?

A) 3850Sr{ }_{38}^{50} \mathrm{Sr}3850Sr
B) 3888Sr{ }_{38}^{88} \mathrm{Sr}3888Sr
C) 5038Sr{ }_{50}^{38} \mathrm{Sr}5038Sr
D) 5088Sr{ }_{50}^{88} \mathrm{Sr}5088Sr

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.

  • Gain insight into the configuration of an atom, highlighting protons, neutrons, and electrons.
  • Familiarize oneself with the symbols and atomic numbers of common elements.
  • Acquire knowledge about the relationship among the atomic number (Z), mass number, and the isotopic makeup.