Structure of Matter Concept Review

Key Terms:

Atom

• Any form of matter that in uniform throughout and has consistent properties

• The building blocks of all matter; the smallest unit that retains the chemical properties of an element

• A state of matter with a definite volume and shape

• Solid materials whose atoms, molecules, or ions are arranged in an ordered pattern

Tags

NGSS.MS-PS1-1

Key Terms:

Solid material whose atoms, molecules, or ions are arranged in an ordered pattern

• Substance

• Crystal

• Molecule

• Atom

Tags

NGSS.MS-PS1-1

Key Terms:

Any form of matter that is uniform throughout and has consistent properties

• Substance

• Crystal

• Molecule

• Atom

Key Terms:

Two or more atoms held strongly together by covalent bonds

• Solid

• Crystal

• Molecule

• Atom

Tags

NGSS.MS-PS1-1

Which of the following models would represent a water molecule ( $H_2O$  )?

• H-H-O-O

• H-H-O

• H-H

• H-O-O

Tags

NGSS.MS-PS1-1

All of the following are examples or subatomic particles EXCEPT -

• Electrons

• Protons

• Neutrons

• Neurons

Tags

NGSS.MS-PS1-1

When two or more atoms bind together, they form a/an -

• cloud

• solid

• atomic bond

• molecule

Tags

NGSS.MS-PS1-1

Diamond and graphite area both solids made up of carbon atoms. Why is graphite softer than diamonds?

• The arrangement of atoms vary in each substance.

• Graphite is made up or more than one type or element.

• They are different states of matter.

• Graphite is a compound and diamond is an element.

Tags

NGSS.MS-PS1-1

Which of the following is made up of extended structures with repeated subunits?

• Atom

• Crystals

• Neutrons

• Helium

Tags

NGSS.MS-PS1-1

What is the symbol for Carbon?

• C

• Ca

• CA

• Car