Daily Warm Up: Matter/Atomic Structure

Electron

• A positively charged subatomic particle found in the nucleus of an atom.

• A negatively charged subatomic particle that orbits the nucleus of an atom.

• A neutral particle that is part of the nucleus of an atom.

• A particle that has no charge and is found outside the atom.

Tags

NGSS.MS-PS1-1

Nucleus

• The outer layer of an atom, containing electrons.

• The central part of an atom, containing protons and neutrons.

• A type of particle found in the nucleus of an atom.

• The energy level of an atom.

Tags

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Energy Level (Shell)

• A region of an atom where electrons orbit the nucleus at a specific energy level.

• A type of particle that carries energy in the form of light.

• The total energy of an atom's electrons combined with its nucleus.

• A measure of the distance between the nucleus and the outermost electron.

Tags

NGSS.MS-PS1-1

Atomic Number

• The number of neutrons in the nucleus of an atom.

• The number of protons in the nucleus of an atom, which determines the element's identity.

• The total number of electrons in an atom.

• The mass of an atom measured in atomic mass units.

Tags

NGSS.MS-PS1-1

Valence Electron

• Electrons in the outermost energy level of an atom that are involved in chemical bonding.

• Electrons that are found in the nucleus of an atom.

• Electrons that are responsible for the mass of an atom.

• Electrons that are always in motion around the nucleus.

Tags

NGSS.MS-PS1-1

Atom

• A subatomic particle that carries a positive charge.

• The basic unit of a chemical element, consisting of a nucleus containing protons and neutrons, with electrons.

• A molecule made up of two or more atoms bonded together.

• A type of chemical bond between two atoms.

Tags

NGSS.MS-PS1-1

Atomic Mass

• The mass of an atom, which is approximately equal to the number of protons and neutrons in the nucleus.

• The total number of electrons in an atom.

• The weight of an atom in grams.

• The mass of an atom divided by its volume.

Tags

NGSS.MS-PS1-1

Proton

• A negatively charged subatomic particle found in the nucleus of an atom.

• A positively charged subatomic particle found in the nucleus of an atom.

• A neutral subatomic particle found in the nucleus of an atom.

• A positively charged subatomic particle found outside the nucleus of an atom.

Tags

NGSS.MS-PS1-1

Neutron

• A positively charged subatomic particle found in the nucleus of an atom.

• A negatively charged subatomic particle found in the nucleus of an atom.

• A neutrally charged subatomic particle found in the nucleus of an atom.

• A subatomic particle that orbits the nucleus of an atom.

Tags

NGSS.MS-PS1-1

Element

• A substance composed of atoms that all have the same number of protons in their atomic nuclei.

• A mixture of different substances that can be separated by physical means.

• A compound formed by the chemical combination of two or more elements.

• A solution that contains a solute dissolved in a solvent.

Tags

NGSS.MS-PS1-1