Chemistry 7 Fast and Curious

a collection of atoms of one type that cannot be broken down into simpler substances by ordinary chemical or physical means

• element

• subatomic particle

• electron

• matter

Tags

NGSS.HS-PS1-1

the basic structural unit of matter

• atom

• matter

• element

• nucleus

Tags

NGSS.MS-PS1-1

A substance with high electrical conductivity, shiny luster, and malleability

• metals

• nonmetals

• metaloids

• halogens

A shiny and malleable substance that is not a good conductor of electricity

• metal
• nonmetal
• metalloid
• metallica

What is the Law of Conservation of mass?

• Mass is created in a chemical reaction
• Mass is created in a physical change
• New chemicals formed from a chemical reaction have a larger overall mass than the original reactants
• Mass is never created or destroyed

1 A substance made up of two or more chemically combined elements is —

• an element

• mixture

• compound

• solution

A substance that cannot be broken down into any other substance by ordinary chemical means is called —

• molecule

• mixture

• element

• compound

Two or more physically combined substances form —

• a compoud
• an acid
• an element
• a mixture

Tags

NGSS.MS-PS1-1

What is a molecule?

• Two or more atoms bonded together
• One element
• One atom
• Solid, Liquid, Gas

Tags

NGSS.MS-PS1-1

The property of a substance to dissolve in a solvent

• Solubility

• Hardness

• Density

• Conductivity