Sassafras Chemistry Chapter 2

Multiple Choice

The tiny building blocks that make up everything in the universe.

• Atom

• Element

• Isotope

• Proton

Multiple Choice

The periodic table was first designed by Dmitri Mendeleev.

• True

• False

Multiple Choice

An element is made up of multiple different atoms.

• True

• False

Multiple Choice

A substance made up of one type of atom, which cannot be broken down by chemical reaction to form a simpler substance.

• Element

• Isotope

• Neutron

• Electron

Multiple Choice

An atom that has a different number of neutrons and so has a different mass number from the other atoms of an element.

• Isotope

• Element

• Carbon

• Debye

Fill in the Blank

A ______ is a positively charged particle that resides in the _______ at the center of an atom.

,

Fill in the Blank

The ________ is a negatively charged particle that resides in a _____ around the nucleus, which is called an electron _____.

,

,

Multiple Choice

The Egyptions were the first to discuss the concept of an atom. They believed that matter could be cut into smaller and smaller pieces but eventually you would get to a piece that could not be cut.

• True

• False

Fill in the Blank

The _______ is a particle with that resides in the _______ of an atom.

,

Multiple Choice

An isotope is an atom that has a different number of neutrons. True or false

• True

• False

Multiple Choice

Ancient philosophers believed that all substances were made from the combination of which four elements.

• fire

  earth

  water

  air

• fire

  water

  earth

  sky

• water

  earth

  gas

  sky

• water

  gas

  fire

  air

Draw

Pretend you are ziplining from your house to Alaska. Draw a line from where you live to Summer Beach's science lab.