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These atoms are isotopes
Isotopes are atoms with the same number of protons (which determine the atomic number) and a different number of neutrons. These two atoms have the same number of protons (13), but a different number of neutrons, so they are isotopes.
According to their number of protons, these are Aluminum isotopes: ²⁷Al (stable), and ²⁶Al (radioactive), respectively.
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Answer: Metallic bond
Metallic bond can be defined as a force of attraction that
exit between a metal atoms and the velency eletron. Also, this bond arise from
the electostatic force of attraction that between conduction electrons and
positively charged metal ions. Thus, the electron usually act as a glue by giving
the substance a definite structure.
Answer:
Actually, surface tension is the to force per unit length. That means formula for surface tension is = force/length . As we know that the dimensional formula for length is L . And that for force is MLT^-2. So the dimensional formula for surface tension can be obtained by dividing the dimensional formula of force and length.
Explanation:
Answer: A force can be applied to another object by a direct push, pull, or drag.
Explanation:
