Atoms, Elements, & Bonding

an atom with atomic number of 6 would have how many protons

• 6

• 12

• 3

• cannot be determined

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

A one or two letter abbreviation  used to represent an element is called a(n) ________

• chemical symbol
• element sign

In this example, what information does Carbon tell us?

• element name
• atomic number
• atomic symbol
• atomic mass

In this example, what information does the C tell us?

• element name
• atomic number
• atomic symbol
• atomic mass

In this example, what information does the number 6 tell us?

• element name
• atomic number
• atomic symbol
• atomic mass

In this example, what information does 12.011 tell us?

• element name
• atomic number
• atomic symbol
• atomic mass

What does the atomic number tell us about about an atom?

• number of protons it has
• number of neutrons it has
• number of atoms it has
• number of elements it has

What does the mass number of an atom tell us?

• number of protons it has
• number of neutrons it has
• number protons and neutrons
• number of protons and electrons

If you take the mass number and subtract the atomic number (# of protons), you get the number of _______________

• electrons
• protons
• atoms
• neutrons