Name: ______Per. ______Date ______

4 States of Matter and The Atom

http://ippex.pppl.gov/interactive/

  1. The 4 states of matter are: ______, ______, ______, ______.
  2. For each of the states of matter write a description of how the molecules move.

Solid:______

Liquid:______

Gas:______

Plasma:______

  1. Give an example of each:

Solid:______

Liquid:______

Gas:______

Plasma:______

http://ippex.pppl.gov/interactive/matter/states.html

  1. Water can form the solid:______, liquid: ______, gas: ______.
  2. Most matter in the universe if comprised of ______.
  3. Draw how the molecules look for each state of matter:

Solid Liquid Gas Plasma

  1. Density is ______It is defined as ______

______

  1. Which of the items will float in water:______
  2. Which of the items will sink in water:______
  3. Mass is: 926 g Volume is: 6 cm x 4 cm x 2 cm = ______Density is______
  4. Which is more dense, ice or water? ______

When you get to the page with the colored shapes…STOP

Use the interactive Internet site http://ippex.pppl.gov/interactive/matter/atoms.html to answer the following questions.

Intro: Properties of Matter

  1. Everything around us is made of ______.
  2. What three particles are atoms composed of:______, ______, ______
  3. The central part of the atom is made of protons and neutrons and is called the ______.
  4. Electrons rapidly move around the nucleus in a region often called the ______
  5. The radius of the electron cloud is about ______times larger than the radius of the nucleus.
  6. The mass of a ______and ______are about the same.(1.67 X 10-27 kg)
  7. An electron’s mass is much ______(smaller or bigger) than a proton or neutron.
  8. Everything around you is made of ______, which are ______in motion.
  9. ______have a positive electrical charge. ______have a negative electrical charge. ______have no electrical charge.
  10. What net charge will an atom with 3 protons and 3 electrons have?______
  11. Which two particles have an attractive force between them?______&______
  12. An ion is an atom with ______or more ______removed from it.
  13. An atom with more protons than electrons has a net ______charge.
  14. Elements are atoms that have the same number of ______.
  15. An atom with 3 protons is the element ______.

Elements: Properties of Matter

  1. ______with a given number of ______are called ______.
  2. Scientists have a discovered more than ______different elements.
  3. How many protons does each element have?Lithium ______Helium ______

Hydrogen ______.

  1. Adding a neutron to hydrogen would make what element?

It would still be ______but it would be an ______of Hydrogen.

  1. An Isotope of an element has the same number of ______but a different number of ______.
  2. Where is Helium located on the Periodic Table of elements?______
  3. Oxygen has _____ protons.
  4. Elements classified as ______are on the ______side of the Periodic Table.
  5. Elements on the ______side are classified as ______.
  6. The group with helium (He) is called the ______.

Ippex: The Atom (continued)Date ______

Molecules: Properties of Matter

  1. Elements combine to form ______.
  2. The ______of elements is important to understand why elements combine to form molecules.
  3. Although the electrons really orbit throughout the “______, the electron orbits can be more easily explained with a “______.”
  4. The lowest energy level holds just ___ electrons.The next level can hold up to ____ electrons.

The third level can hold up to _____ electrons.

  1. Draw a picture of the elementhelium.
  1. Oxygen has _____ protons in the nucleus and therefore has _____ electrons around the nucleus producing a net charge of zero.
  2. Since oxygen has _____ electrons, it must have _____ electrons in its second energy level.
  3. Draw a picture of the element carbon.
  1. Another way to draw this type of diagram is to ______the filled energy levels, just draw the ______energy levels, and stop drawing the “______” for the energy levels.
  2. Elements are more stable when they have their energy levels ______.
  3. In order to fill their shells, compatible elements tend to ______their electrons.
  4. The hydrogen atom would like _____ electron to fill its first energy level.
  5. The oxygen atom would like 2 more electrons to fill its ______energy level.
  6. What would happen if just two hydrogen atoms came into contact?
  1. In a water molecule each hydrogen atom thinks it has _____ electrons filling its outer shell and oxygen feels as though it has _____ electrons filling its outer shell.

STOPwhen you get to the 4 States of Matter!