atomic structure

Front

What is Bohr's model of the atom also known as?

Back

Planetary Model

Front

How many protons are in a titanium atom?

Back

22

Front

What is the average mass of all the isotopes of an element called?

Back

Atomic Mass

Front

What type of particles did Ernest Rutherford fire at the gold foil in his experiment?

Back

Alpha particles

Front

Who is credited with developing the planetary model of the atom?

Back

Niels Bohr

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is an isotope?

Back

Atoms of the same element with different numbers of neutrons.

Tags

NGSS.HS-PS1-8

Front

What does the atomic mass unit (amu) measure?

Back

The mass of an atom, based on the mass of carbon-12.

Front

What is the nucleus of an atom composed of?

Back

Protons and neutrons.

Tags

NGSS.HS-PS1-8

Front

What is the charge of a proton?

Back

Positive charge.