Chapter 10 Lesson 1 Using the Periodic Table

Beryllium is in group number______.

• Group 2
• Group 15
• Group 11
• Group 17

Aluminum is in group number______.

• Group 13
• Group 11
• Group 18
• Group 15

The element in group 7 and period 4 is

• Manganese
• Magnesium
• Rutherfordium
• Halfnium

Sulfur is in the ___________ period.

• 1st
• 2nd
• 3rd
• 4th

Barium is in the ___________ period.

• 6th
• 2nd
• 3rd
• 7th

Which element has 10 protons?

• Boron
• Neon
• Nickel
• Helium

Which element has 28 protons?

• Boron
• Neon
• Nickel
• Helium

Which element has 92 protons?

• Niobium
• Zirconium
• Does not exist
• Uranium

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

The central region of an atom where its neutrons and protons are is called the _________________.

• nucleus

• electron cloud

• core

• center