Which element has an atomic number of 31? A copper C xenon B ga...

The element X has an atomic mass of 12.80 amu. It is known to have two isotopes 12X and 13X. Which...

Atomic no.of an element is 12. what is it valency?

An element of P and atomic Q emits an alpha particle from its nucleus thet resultant numbers of the...

If only an element’s atomic number and weight are provided, what other atomic information can be det...

Given an element’s atomic number and mass number, how can you tell the number of protons and neut...

Which element has an atomic mass of 106.42?

An element has an atomic number of 3. An ion of this element has a 1+ charge. How was the ion...

Element Atomic number Atomic radius (pm) Effective nuclear charge (Zeff) Sodium 186 90 Magnesium...

If only an element’s atomic number and weight are provided, what other atomic information can be det...

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