Atomic Structure

Which of the following describes the key features of subatomic particles?

• Subatomic particles include protons, neutrons, and electrons.

• Subatomic particles are indivisible and have no charge.

Tags

NGSS.MS-PS1-1

What particles are found in the nucleus of an atom?

• Protons and Electrons

• Protons and Neutrons

Which scientist proposed the model of the nucleus with electrons in a circle?

• Galileo Galilei

• Niels Bohr

What scientist proposed this that describes negative parts float in a positive “soup”.

• JJ Thomson

• Ernest Rutherford

Tags

NGSS.MS-PS1-1

Elements are made from only one type of atom. True or False?

• True

• False

Protons are subatomic particles that are located in the ________.

• cell membrane

• nucleus

What is the relative weight of a neutron?

• 1

• 2

Where are electrons located?

• Outside the atom

• In shells (or energy levels) around the nucleus

Tags

NGSS.MS-PS1-1

What is another name for the shells where electrons are located?

• Orbitals

• Neutrons

Tags

NGSS.MS-PS1-1

Fill in the blank: The charge of a neutron is ________.

• 0

• -1