" An atom of an element "X" may be written as "_(4)^(9)X" ."

Arrhenius equation may be written as

Arrhenius equation may be written as:

An atom of the element is represented as "_23^61X ? What is the number of protons in X ?

An atom of element X contains 3 protons, 3 electrons and 4 neutrons: What could element X be?

An atom of element X contains 3 protons, 3 electrons and 4 neutrons: What type of ion, cation or anion, will be formed by an atom of element X? Why?

An atom of element X contains 3 protons, 3 electrons and 4 neutrons: Write the symbols of the ion formed by an atom of element X.

Atoms of the same element may have different _______.

Atoms of the same element may have different atomic mass .

The atom of an element X has 7 electrons in its M shell. What is the atomic number of element X ?

An atom of element X contains 3 protons, 3 electrons and 4 neutrons: Write the electronic configuration of the element