Atomic number
Parts of the Atom
Fill in the Blank
Periodic Table stuff
Nuclear Symbol
100
What is the element with the atomic number of 30?
Zinc
100
In a netural atom, the number of electrons is the same as the number of:
Protons
100
Neutron is _______ charged
Uncharged/ neutral
100
What is the name of this element
Potassium
100
What is the charge of this isotope?
0
200
How many protons and electrons does this element have? Atomic number: 4
4 protons, 4 electrons
200
The positively charged particle
Proton
200
electrons are _____ charged
Negatively
200
What does K represent?
Atomic symbol
200
How many neutrons are in this isotope?
143 neutrons
300
How many neutrons does an element with an atomic number of 21?
About 24 (23.956)
300
The smallest unit of an element that can exist the _____
Atom
300
Protons are _____ charged
Positively
300
What does 19 represent?
The Number of Protons
300
What does the number 235 represent?
Atomic Mass = protons + neutrons
400
What is the atomic mass of a molecule with the atomic number of 85?
210
400
In an atom, which part has the least mass?
Electron
400
The sum of protons and neutrons in the nucleus is the ___________
Atomic mass
400
What does 39.098 represent?
The Atomic Weight
400
What would the symbol-mass notation be for this isotope?
Uranium-235 or U-235
500
What element has the atomic number of 45?
Rhodium
500
Which is bigger; the proton or the electron?
Proton
500
The charge of an atom is the difference betwee the number of __________ and _____________.
Protons and electrons.
500
What is the atomic mass of the most common isotope of potassium?
39 amu
500
How many electrons are in this isotope?
92 electrons