A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes

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Question 23

Medium26%

This question is about atomic structure and isotopes.

An atomic diagram of element X. The central cluster of particles is labeled A; it contains 6 spheres with a '+' sign (protons) and 6 solid black spheres (neutrons). Around this central cluster are two concentric circular electron shells: the inner ring has 2 electrons marked as 'x', and the outer ring has 4 electrons marked as 'x'. One of these outer-shell electrons is labeled B.

Name the parts of the atom labeled A and B. Choose answers from: electron, neutron, nucleus, proton.

[2]

Which subatomic particle has the lowest relative mass? Choose from: electron, neutron, proton.

[1]

Which group of the periodic table contains element X?

[1]

Using the diagram, determine the atomic number and the mass number of element X.

[2]

Two of the isotopes of chlorine are represented as $1735Cl^{35}_{17}\text{Cl}$ and $1737Cl^{37}_{17}\text{Cl}$ . The relative atomic mass ( $A_r$ ) of chlorine is $35.5$ . Which statement is true about the abundance of each isotope in a sample of chlorine?

Statement 1: There are fewer $1735Cl^{35}_{17}\text{Cl}$ atoms than $1737Cl^{37}_{17}\text{Cl}$ atoms.
Statement 2: There are more $1735Cl^{35}_{17}\text{Cl}$ atoms than $1737Cl^{37}_{17}\text{Cl}$ atoms.
Statement 3: There are equal numbers of $1735Cl^{35}_{17}\text{Cl}$ and $1737Cl^{37}_{17}\text{Cl}$ atoms.

[2]

A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes

Question 23

A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes Questions

A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes

Question 23

A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes Questions