Atomic Structure Review

What is in the Nucleus of an atom?

• Protons

• Protons and Electrons

• Neutrons

• Neutrons and Protons

An element with 19 protons and 12 neutrons has a a mass number of?

• 7

• -7

• 31

• 29

The atomic number is determined by?

• The number of electrons

• The number of protons

• The number of protons plus the number of neutrons

• The atomic mass divided by 2

How many electrons does a nuetral atom have if it has 14 protons

• 0

• 10

• 14

• 28

Atoms with the same number of protons but different number of neutrons are called?

• Electrons

• Ions

• Elements

• Isotopes

The total number of neutrons in the nucleus of any atom is equal to the

• Mass of the atom

• atomic number of the atom

• mass number minus the atomic number

• atomic number minus the mass number

Two Isotopes will have the same

• number of protons

• number of electrons

• nothing is the same

• neutrons

An atom is neutral because

• neutrons balance out the protons and electrons

• It has the same number of protons and electrons

• it has the same number of neutrons and protons

• it has the same number of neutrons and electrons

What is the correct symbol for an isotope of carbon with 6 protons and 7 neutrons

• ¹³₆C

• ⁶₁₃C

• C¹³₆

• C⁶₁₃

What is the charge for protons

• -1

• +2

• 0

• +1