Unit 1 Review

Which of the following is a negatively charged subatomic particle?

• Electron
• Proton
• Neutron
• Quark

All matter is made of what?

• energy 
• atoms 
• electrons 
• compounds 

The particles that are found in the nucleus of an atom are

• neutrons and electrons
• electrons only
• protons and neutrons
• protons and electrons

The atomic number of an elements is the total number of which particles in the nucleus?

• neutrons
• protons
• electrons
• protons and electrons

The atomic number of an elements is the total number of which particles in the nucleus?

• neutrons
• protons
• electrons
• protons and electrons

What are the horizontal rows on the periodic table called?

• Groups
• Periods
• Rows
• Classifications

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

• Electron
• Proton
• Neutron
• Quark

Which of the following is a subatomic particle with no charge that is found in the nucleus of an atom?

• Electron
• Proton
• Neutron
• Quark

Where are electrons of an atom found?

• Nucleus
• Electron Cloud
• Some are in the nucleus and some in the electron cloud.
• They are moving everywhere.

What are the vertical columns on the periodic table called?

• Groups
• Periods
• Rows
• Classifications