Topic 1 Lessons 1 and 2 Vocab Quiz

atom

• smallest particle that can still be considered an element

• small particles of interactive molecules

• particles that can pass straight through a gold foil

• can be divided into small particles of elements

Tags

NGSS.MS-PS1-1

electron

• sub-atomic particle with no charge

• sub-atomic particle with positive charge

• sub-atomic particle with negative charge

• sub-atomic particle with quantum charge

nucleus

• dense center of a chocolate chip cookie

• dense center of an atom that contains neutrons and protons

• dense center of an atom that contains electrons

• sub-atomic particle with a negative charge

Tags

NGSS.MS-PS1-1

proton

• sub-atomic particle with a negative charge

• sub-atomic particle with no charge

• sub-atomic particle with a quantum charge

• sub-atomic particle with a positive charge

neutron

• sub-atomic particle with a neutral charge (no charge)

• sub-atomic particle with a negative charge

• sub-atomic particle with a positive charge

• sub-atomic particle with a quantum charge

atomic number

• the number of electrons in an atom

• the number of neutrons in an atom

• the sum of protons and neutrons in an atom

• the number of protons in an atom

isotope

• atoms with the same number of protons and different numbers of neutrons

• atoms with the same number of electrons and different numbers of protons

• atoms with the same number of neutrons and different numbers of protons

• atoms with the same number of neutrons, electrons, and protons

mass number

• Mass number is the sum of protons and neutrons in an atom.
• Mass number is the number of electrons in an atom.
• Mass number is the average mass of all the isotopes of an atom.

• Mass number is the total number of atoms in a molecule.

Tags

NGSS.MS-PS1-1

atomic mass

• The atomic number of an element.
• The molecular weight of a compound.
• The density of a substance.
• The average mass of all the isotopes of an element.

periodic table

• chart showing all the elements arranged according to properties

• electron dot diagram

• Elemental construction that indicates molecules and minerals occurring in nature

• appearing or occurring at intervals