Unit 7: Lesson Two Quiz

What is the definition of an atom?

• An atom is the smallest unit of matter that retains the properties of an element.
• An atom is a type of molecule.
• An atom is a large particle made of protons and neutrons.
• An atom is a form of energy that can be harnessed.

Tags

NGSS.MS-PS1-1

What is the definition of a proton?

• A proton is a negatively charged particle found in the nucleus of an atom.
• A proton is a type of electron that orbits around the nucleus.
• A proton is a neutral particle that exists outside the nucleus.
• A proton is a positively charged particle found in the nucleus of an atom.

What is the definition of a neutron?

• A neutron is a neutral particle found in the nucleus of an atom.

• A neutron is a subatomic particle that determines the atomic number of an element.
• A neutron is a type of electron found outside the nucleus.
• A neutron is a positively charged particle in the nucleus of an atom.

What is the charge of a proton?

• Neutral charge

• Negative charge

• positive charge

What is the charge of a neutron?

• +1
• 0
• -1
• +2

What is the charge of an electron?

• Negative charge

• Positive charge

• Neutral charge

Tags

NGSS.MS-PS2-3

How can atoms make up all of the substances around you?

• Atoms are only found in gases and liquids.
• Molecules are made of only one type of atom.
• Atoms are the smallest units and cannot combine.
• Atoms combine to form molecules, which make up all substances.

Tags

NGSS.MS-PS1-1

What is the atomic number of a sodium atom that has 11 protons and 12 neutrons?

• 11
• 13
• 10
• 12

Tags

NGSS.MS-PS1-1

Where is the proton located in an atom?

• In the nucleus of the atom.
• Floating freely in the atom.

• In the outer shell of the atom.

• In the electron cloud.

Where is the electron located in an atom?

• In the protons of the atom.
• In the electron cloud around the nucleus.
• In the neutrons of the atom.
• In the nucleus of the atom.