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sergejj [24]
3 years ago
6

Which metal is more active than tin, but less active than zinc

Chemistry
1 answer:
VikaD [51]3 years ago
8 0

Answer:

Iron (Fe)

Explanation:

The reactivity series shows a series of metals reactivity from lowest to highest. Based on the arrangement of metals in the reactivity series, iron is placed above tin and below zinc, this means that iron is more reactive than tin but less reactive than zinc. This means that iron would displace tin ions in a solution whereas zinc would displace iron ions in a solution.

The reactivity of metals is due to the stability of metals in their electron configurations as atoms and as ions.

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What is a atom of chemistry
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Answer:

Atom is the smallest particle of matter.

Elements are made up of same atoms.

Atom consist of electron, proton and neutron.

Explanation:

Atom was first discovered by John Dalton.

word "Atom" came from Greek word, that means something that could not split. he explained that atom is indivisible particle.

In the end of 18th century J.J. Thomson put forward a new concept of atom. he said that atom have negative charged particles called electrons but overall atom is neutral.

In 1909 Rutherford with his students discovered positive charged particles and nucleus and said that it is in the center of atom.

He explain a model of atom and said that electrons revolve around a hard core in the center called nucleus.

In 1913 Niels Bohr  explains the atomic spectra and put forward the concept of shells and sub-shells.

So overall Structure of an Atom is

  • consist of Neutrons in nucleus
  • +ve charged protons in nucleus
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  • the electron revolve in shells i.e. K, L, M, and N
  • Each shell divide in sub-Shell such as s, p,d and f.

Atom has a specific atomic mass and atomic number

Atomic number = number of protons or electron

Atomic mass = number of protons +  number of neutrons in nucleus.

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Happy Holidays! :)

\large\boxed{\text{Water.}}

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