(Chem) W4 Unit 1 Matter Test

The basic unit of matter is the _____.

• atom
• molecule
• compound
• air

Tags

NGSS.MS-PS1-1

An atom is composed of three smaller parts: protons, neutrons, and _______.

• electrons
• positrons
• negatrons
• radio waves

Tags

NGSS.MS-PS1-1

A _____ substance is a type of matter that is made up of only one material.

• pure
• solo
• combined
• rare

Tags

NGSS.MS-PS1-4

We have identified over 100 elements and listed information about them in a chart known as the _____ table.

• periodic
• chemical
• scientific
• physics

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A compound is the chemical combination of 2 or more _____ elements.

• different
• similar
• identical
• specific

Compounds ______ combine in the same ratio. For example, water is always 2 atoms of hydrogen and one atom of oxygen.

• ALWAYS
• NEVER
• SELDOM
• GENERALLY

Tags

NGSS.MS-PS1-1

A ______ is a mixture with parts that blend so that it looks the same everywhere, even if you used a microscope

• solution
• solvent
• compound
• rupture

The scattering of light by the particles in a colloidal solution or suspension is called _____ Effect.

• Tyndall
• Gottard
• Gotham
• Bohr

Melting, freezing, vaporization, condensation, ________ , and deposition are the six phase changes.

• sublimation
• subjection
• multiplication
• fusion

Tags

NGSS.MS-PS1-4

The arrangement of ______ in a substance becomes less orderly as the substance melts and more orderly as the substance freezes.

• molecules
• gasses
• plasmas
• electrons

Tags

NGSS.MS-PS1-4