Structure of Matter

Use your Periodic Table of Elements to answer the following question: If protons are shown in yellow, what type of atom is shown here?

• Neon

• Boron

• Carbon

• Protons

Tags

NGSS.MS-PS1-1

Is the following a molecule or a compound?

Caffeine: C₈H₁₀N₄O₂

• Molecule

• Compound

Tags

NGSS.MS-PS1-1

The atomic number of an element indicates how many _________ can be found in the nucleus.

• compounds

• protons

• neutrons

• electrons

Allotropes are best described as one or more forms of an __________ that often show very different physical and chemical properties.

• atom

• compound

• molecule

• element

Neutrons have a ____________ charge

• positive

• funny

• neutral

• negative

An extended structure is a repeated pattern of _______________.

• subunits

• units

• atoms

• molecules

Tags

NGSS.MS-PS1-1

Use the Periodic Table of Elements to answer the following question: If protons are shown in yellow, what type of atom is shown here?

• Hydrogen

• Carbon

• Oxygen

• Helium

Tags

NGSS.MS-PS1-1

Check off the substances that are considered pure substances from the list below:

• gold

• coffee

• sugar

• salt

Tags

NGSS.MS-PS1-4

Check off the substances that are considered mixtures from the list below:

• coffee

• air inside a balloon

• helium inside a balloon

• chocolate chip cookies

Graphite and _____________ are both composed of carbon atoms, even though they are very different substances.

Tags

NGSS.MS-PS1-1