Answer: Carbon-14 isotope is used to date ancient artifacts such as fossils.
Explanation:
To determine the age of ancient artifacts such as fossils, we use radiocarbon dating process.
In this process, a naturally occurring radioisotope of carbon which is Carbon-14 is used. This isotope is generally used because this isotope gets constantly created in the atmosphere with the interaction of cosmic rays with the nitrogen present in atmosphere.
Hence, an isotope of carbon which is Carbon-14 is used to determine the age of ancient artifacts such as fossils.
2) KHSO3+ and O2– ions
3) K+ and HS– ions
4) K+ and HSO4– ions.
In the compound KHSO4, there is an ionic bond between the K+ and HSO4– ions.
Ionic bond is a type of bond that is formed between metals and non metals. During the reaction, metals usually donate electron[s] to non metals. The metals thus become positively charged while the non metals become negatively charged. Therefore, ionic compound are usually composed of charged particles. For the ionic compound given above, the charged particles in the compound are K+ and HSO4- ions.
Answer:
16 protons and 19 neutrons
The particles in a solid are farther apart than the particles in a liquid.
The particles in a solid are closer together than the particles in a liquid.
The arrangement of a solid's and a liquid's particles will depend on the mass of the substance.
Answer: The reactivity of a metal depends on how easily it loses electrons
The reactivity of metals is due to the difference in stability of their electron configurations as atoms and as ions. As they are all metals they will form positive ions when they react.