Matter and Energy Vocabulary

What is the basic building block of matter that makes up everyday objects?

• Atom

• Molecule

• Cell

• Compound

Tags

NGSS.MS-PS1-1

What is the center of an atom that contains the protons and neutrons?

• nucleus

• electron cloud

• valence shell

• atomic orbit

Tags

NGSS.MS-PS1-1

Where are electrons found in an atom?

• In the electron cloud surrounding the nucleus

• Inside the nucleus

• In the proton shell

• In the neutron layer

Tags

NGSS.MS-PS1-1

What are positively charged subatomic particles found in the nucleus called?

• positively charged subatomic particles

• neutrons

• electrons

• quarks

Tags

NGSS.MS-PS1-1

What are neutral charged subatomic particles found in the nucleus called?

• neutrons

• protons

• electrons

• positrons

What are negatively charged subatomic particles found in the electron cloud surrounding the nucleus called?

• Electrons

• Protons

• Neutrons

• Positrons

What are the electrons on the outer shell of an atom that are involved in forming bonds called?

• valence electrons

• core electrons

• inner shell electrons

• free electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the number of protons or electrons contained in an element called?

• Atomic number

• Mass number

• Valence number

• Isotopic number

What is the number of protons plus the number of neutrons contained in an atom's nucleus called?

• Mass number

• Atomic number

• Electron count

• Valence number

What is a set of characters (letters) that are used to represent an element called?

• A set of characters used to represent an element is called an alphabet.

• A set of characters used to represent an element is called a numeral.

• A set of characters used to represent an element is called a symbol.

• A set of characters used to represent an element is called a glyph.