Elements, Compounds, and Chemical Changes

The smallest particle of an element maintaining the chemical identity of that element

• Compound

• Atom

• Element

• Mixture

A way of describing the number of atoms that make up one molecule of a compound

• Chemical Formula

• Chemical Symbol

• Mixture

• Element

Tags

NGSS.MS-PS1-1

Brittle

• shatters when struck

• able to be drawn into wires

• made of a blend of elements and compounds and are not pure substances because they do not have consistent properties

• a substance that allows an electric current to pass through it

Occurs when one or more substances are changes into new substances with different properties; cannot be undone by physical means

• Chemical Symbol

• Chemical Change

• Insulator

• Mixture

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Chemical Symbol

• a small group of elements with some properties of both metals and nonmetals

• one- or two-letter code that stands for an element

• a way of describing the number of atoms that make up one molecule of a compound

• the smallest particle of an element maintaining the chemical identity of that element

Matter made of two or more different elements; the elements are chemically bonded and cannot be separated by physical means and the properties of the compound are different from the elements that made it up

• Mixture

• Ductile

• Compound

• Malleable

A substance that allows an electric current to pass through it

• Insulator

• Conductivity

• Nonmetal

• Metal

Ductile

• a small group of elements with some properties of both metals and nonmetals

• able to be drawn into wires

• element that lacks the physical or chemical properties of a metal

• able to be shaped by using a hammer or a roller

Substances that building blocks of all matter

• Particle

• Atom

• Pure Substance

• Element

Tags

NGSS.MS-PS1-1

Able to be shaped by using a hammer or a roller

• Mixture

• Malleable

• Metalloid

• Metal