Chemistry Chapter 4 and 5 Vocabulary Practice

A particle with two protons and two neutrons, with a 2+ charge; it is equivalent to a helium-4 nucleus and is emitted during radioactive decay

• alpha particle

• beta particle

• gamma ray

• omega particle

Tags

NGSS.HS-PS1-8

radiation that is made up of alpha particles; is deflected toward a negatively charged plate when radiation from a radioactive source is directed between electrically charged plates

• alpha radiation

• alpha wave

• plasma

• alphabet soup

Tags

NGSS.HS-PS1-8

the smallest particle of an element that retains all the properties of that element; is electrically neutral, spherically shaped, and is composed of electrons, protons, and neutrons

• atom

• matter

• mass

• cell

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

the weighted average mass of the isotopes of that element

• atomic mass

• atomic number

• mass number

• weight

1/12th the mass of a carbon-12 atom

• atomic mass unit (amu)

• soot

• small stuff

• mass number

the number of protons in an atom

• atomic number

• mass number

• atomic mass

• prototype

Tags

NGSS.HS-PS1-7

a high-speed electron with a 1- charge that is emitted during radioactive decay

• beta particle

• alpha particle

• gamma radiation

• higgs-boson particle

Tags

NGSS.HS-PS1-8

radiation that is made up of beta particles; is deflected toward a positively charged plate when radiation from a radioactive source is directed between two electrically charged plates

• beta radiation

• alpha radiation

• beta wave

• beta carotene

Tags

NGSS.HS-PS1-8

a ray of radiation that originates from the cathode and travels to the anode of a cathode ray tube

• cathode ray

• cathodic acceleration

• cathartic

• anode-cathode pair

a theory proposed by John Dalton in 1808, based on numerous scientific experiments, that marked the beginning of modern atomic theory

• Dalton's Atomic Theory

• Daltonism

• Atomos Postulate

• The Uncertainty Principle