Atoms and Molecules

1. The 3 particles that make up an atom are:

• a. proton, neutron, electron

• b. proton, neutron, photon

• c. proton, electron, neutrino

• d. neutron, electron, positron

Name the particle that has each type of charge? Positive (+) ____________________ Negative (-) ____________________ No Charge (0) ____________________.

• Positive (+) - Proton, Negative (-) - Electron, No Charge (0) - Neutron

• Positive (+) - Electron, Negative (-) - Proton, No Charge (0) - Neutron

• Positive (+) - Neutron, Negative (-) - Electron, No Charge (0) - Proton

• Positive (+) - Proton, Negative (-) - Neutron, No Charge (0) - Electron

We can use a chart called the ____________________ to find information about all the elements.

• periodic table

• element chart

• chemical grid

• atomic map

A field of science that studies atoms and molecules is called ____________________.

• Chemistry

• Biology

• Physics

• Geology

How many atoms are in two water molecules (H2O)?

• 4

• 5

• 6

• 7

7. Name an example of an element: ____________________.

• Hydrogen

• Water

• Salt

• Sugar

8. Name an example of a molecule: ____________________.

• Water (H2O)

• Oxygen (O2)

• Carbon Dioxide (CO2)

• Glucose (C6H12O6)

Which two subatomic particles make up the nucleus of an atom?

• a. Protons and Neutrons

• b. Electrons and Protons

• c. Neutrons and Electrons

• d. Electrons and Positrons

Which of the following is a subatomic particle found in an atom?

• Molecule

• Cell

• Proton

• Compound

Which arrow points to the neutrons?