An atom of sulfur-35 has ___ protons.

1.   ?    35
2.   ?    16
3.   ?    19
4.   ?    32
5.   ?    None of the these

An atom of sulfur-35 has ___ neutrons.

1.   ?    35
2.   ?    16
3.   ?    19
4.   ?    32
5.   ?    None of the these

What is found within the nucleus of an atom?

1.   ?    Protons and Electrons
2.   ?    Protons and Neutrons
3.   ?    Electrons and Neutrons
4.   ?    Protons, Neutrons and Electrons

What is found traveling around the nucleus, but not in it?

1.   ?    Protons
2.   ?    Neutrons
3.   ?    Electrons
4.   ?    Alpha Particles

What is the charge of an electron?

1.   ?    +1
2.   ?    +2
3.   ?    -1
4.   ?    -2
5.   ?    0

What element has 42 protons?

1.   ?    Magnesium
2.   ?    Cobalt
3.   ?    Bromine
4.   ?    Molybdenum
5.   ?    Not enough information.

What element has 7 neutrons?

1.   ?    Boron
2.   ?    Carbon
3.   ?    Nitrogen
4.   ?    Oxygen
5.   ?    Not enough information

Isotopes of the same element differ in their number of ____.

1.   ?    Protons
2.   ?    Neutrons
3.   ?    Electrons
4.   ?    Atomic Number

For the isotope iodine-125, what does "Z" equal

1.   ?    125
2.   ?    127
3.   ?    72
4.   ?    53
5.   ?    None of these

For the isotope phosphorous-32, what does "A" equal

1.   ?    32
2.   ?    31
3.   ?    15
4.   ?    17
5.   ?    None of these