Q: Q: The rate at which an unstable isotope decays is measured in a unit known as what? Choices: - full-life - staying-life - half-time - half-life A:
A: half-life

Q: Q: What term refers to the breaking stress that will cause permanent deformation or fracture of a material? Choices: - elasticity - malleability - viscosity - tensile strength A:
A: tensile strength

Q: Q: Where do two or more bones of the skeleton meet? Choices: - junctures - valves - muscle paths - joints A:
A: joints

Q: Q: Silicon and germanium react with nitrogen at high temperature to form what? Choices: - oxides - carbonates - isotopes - nitrides A:
A: nitrides