SGO Review

What is an isotope? 

• A charged atom
• An atom with different amounts of neutrons
• An atom with different amounts of protons
• A neutral atom

How many neutrons in C-14?

• 6
• 7
• 14
• 8

How many neutrons does an atom of the isotope Neon-22 have?

• 12
• 10
• 22
• 20

76 protons and 114 neutrons

• Osmium-114

• Osmium-76

• Osmium-190

• Osmium-190.23

What do these isotopes of carbon all have in common?

• neutrons & mass number
• atomic number and neutrons
• atomic number and electrons
• protons, atomic number, and mass number

Where are the Valence Electrons Located?

• Inside the nucleus

• In the inner shell

• In the outermost shell

Select all of the compounds

• H2O

• H

• CO2

• CH4

NaCl, Ionic or Covalent?

• Ionic

• Covalent

H2O, Ionic or Covalent?

• Ionic

• Covalent

NaBr, Ionic or Covalent?

• Ionic

• Covalent