CHEM I Test Review

Where are the metals located?

• A

• B

• C

• D

Which arrow represents the groups?

• A

• B

• C

• D

Who is the father of the modern periodic table?

• Alan Shepard

• Albert Einstein

• Dmitri Mendeleev

• Edwin Hubble

If you know the number of electrons. You also know the number of what?

• Neutrons

• Protons

• Atomic Mass

• Year of discovery

For 8th Grade Science purposes only. We do what with the atomic mass?

• Work with the decimal number

• Round the mass number either up or down

• Ignore and use the best guess number

• Add the number of protons and electrons

What is the number of protons for this element?

• 14

• 14.007

• 7

• 15

An atom of which element is represented in the model shown?

• Chlorine

• Oxygen

• Neon

• Sulfur

If you have an atom with 36 protons, 48 neutrons and 36 electrons what is the charge of the nucleus?

• -48

• -36

• +48

• +36

What is the difference between the number of protons in an atom of Oxygen and the number of protons in an atom of Chlorine?

• -3

• 9

• 19

• 0

Which element is most reactive?

• 
• 
• 
•