Atomic Structure, Chemical Bonds, & Chemical Reactions

(Extra credit) The number of neutrons in an atom can be found by

• adding the number of neutrons and protons together.

• adding the atomic mass and the atomic number.

• subtratcting the atomic number from the atomic mass.

• subtracting the atomic mass from the atomic number.

(Extra credit) Rows in the Periodic Table are called

• Periods

• Groups/Families

• Cousins

• Metals

(Extra credit) Column in the Periodic Table are called

• Periods

• Groups/Families

• Cousins

• Metals

(Extra credit) Protons have a ____________ charge, neutrons have a ____________ charge, and electrons have a ____________ charge.

• positive; negative, neutral

• positive, neutral, negative

• neutral, negative, positive

• negative, neutral, positive

(Extra credit) What does 12.011 represent?

• atomic mass

• atomic number

• element name

• chemical symbol

(Extra credit) What does the 6 represent?

• atomic mass

• atomic number

• element name

• chemical symbol

(Extra credit) How many protons does Nitrogen have?

• 7

• 8

• 14

• 14.01

Scientist that proposed that electrons move in energy levels around the nucleus.

• Dalton

• Rutherford

• Thomson

• Bohr

(Extra credit) Why is the overall charge of an atom neutral (0)?

• They have the same number of protons and neutrons.

• They have the same number of protons and electrons.

• They have the same number of electrons and neutrons.

Using the diagram as a reference, how electrons does carbon have in its OUTER shell?

• 2

• 6

• 4

• 1