Atomic Structure and Periodic Table Re-test

The atomic number identifies the number of __________.

• electrons

• atoms

• protons

• neutrons

How many protons does sulfur have?

• 32

• 16

• 48

• 12

In what part of an atom can the protons and neutrons be found?

• nucleus

• neutrine

• electron cloud

• proton cloud

• Periods
• Groups

• Periods
• Groups

• energy levels
• valence electrons
• protons
• neutrons

• Same group
• Same period

• Group 1
• Group 17
• Group 2
• Group 18

• Group 1
• Group 17
• Group 18
• Group 2

• Metals
• Nonmetals
• Metalloids