Atomic Structure & E Configuration

Front

What is the formula to calculate the number of neutrons in an atom?

Back

Number of Neutrons = Atomic Mass - Atomic Number

Front

Which sub-atomic particles have a positive charge?

Back

Protons

Front

What is the electron configuration for Gold?

Back

[Xe] 6s² 4f¹⁴ 5d⁹

Front

What can be inferred if two isotopes have the same mass number but different atomic numbers?

Back

They are not isotopes but different elements.

Front

How many protons are in an atom with an atomic number of 5?

Back

5 protons

Front

What is the charge of an electron?

Back

Negative charge

Front

What is the charge of a proton?

Back

Positive charge

Front

What is the mass of a neutron compared to a proton?

Back

Approximately equal to a proton's mass.

Front

Define isotopes.

Back

Atoms of the same element with different numbers of neutrons.

Front

What does the atomic number represent?

Back

The number of protons in an atom.