Exploring Ionic Bonds Through Sodium Chloride

Why is chemistry important?

• It is not important.

• It is only useful for scientists.

• It helps us understand the universe.

• It is only about mixing chemicals.

What are atoms made up of?

• Protons, neutrons, and electrons

• Only protons

• Only neutrons

• Only electrons

Where are protons located in an atom?

• In the electron shells

• In the nucleus

• Outside the atom

• In the valence shell

What does the atomic number represent?

• Number of neutrons

• Number of electrons

• Number of protons

• Number of atoms

How many protons does a sodium atom have?

• 10

• 11

• 12

• 13

What is the charge of a proton?

• Neutral

• Negative

• Positive

• No charge

What is the octet rule?

• Atoms bond to have 8 protons

• Atoms bond to have 8 neutrons

• Atoms bond to have 8 atoms

• Atoms bond to have 8 electrons in their outer shell

What happens when sodium gives up one electron to chlorine?

• Nothing happens

• Sodium becomes neutral

• Sodium becomes a positive ion

• Chlorine becomes a positive ion

What is the charge of a chlorine ion after gaining an electron?

• No charge

• Negative

• Neutral

• Positive

What type of bond is formed between sodium and chlorine?

• Covalent bond

• Ionic bond

• Hydrogen bond

• Metallic bond