Chem Unit 3- Atomic Structure

Atomic number is always equal to the number of

If energy of a wave increases, then its frequency

For an atom to become and ion with a charge of -1, what had to have happened?

When electrons jump from the ground state to the excited state, energy must be

Which particle does NOT have mass?

A line spectra is produced when electrons jump from the ____ state to the ______ state.

In the atom Magnesium-26, the number 26 represents

What is the charge of a neutron?

Which type of wave has the lowest energy?

If an atom has 12 protons, 12 electrons, and 14 neutrons, what is its mass number?

Whose atomic model is named the billiard ball model?

If wavelength increases, then frequency

According to Rutherford, atoms are mostly

An ion has 13 protons and 10 electrons. What is its charge?

Which part of Dalton's theory is NOT still true?

A particle of light is called a

Where is the mass of an atom found?

Which two particles have opposite charges?

Which scientist discovered protons?

The lowest energy state for an electron is called the _________ state.

Why is the average atomic mass on the periodic table a decimal?

Which scientist discovered the electron?

Carbon-14 has how many neutrons? (atomic number is 6)

Waves transfer

Which of the following waves has the highest energy?

Which color of visible light has the lowest frequency?

Which color of visible light has the shortest wavelength?

The highest energy state for an electron is called the _____ state.

An isotope is an atom of the same element with a different number of

All atoms of the same element have the same number of