The two particles found in the nucleus
protons and neutrons
rows on the periodic table
Periods
isotopes of the same element have the same number of __________
protons
symbol of palladium
Pd
What is on the x axis of the Isotopes of Elements chart?
protons
The particle that orbits the nucleus
electrons
columns on the periodic table
groups
isotopes of the same element have the different number of __________
neutrons
symbol of the element with 75 protons
Re
What is on the y axis of the Isotopes of Elements chart?
neutrons
model of an atom of fluorine
draw an atom of Nitrogen-14
The possible numbers of neutrons for Carbon
6,7,8 neutrons
symbol of potassium-39
3919K
how many isotopes does Ytterbium have?
7 isotopes
equation to find mass
protons + neutrons
How many electron rings does an atom of Magnesium have? Explain your answer
3 because it is in the 3rd period.
is Tungsten-180 stable? How do you know?
no, because it is white on the chart
symbol of the most abundant isotope of Niobium
9341Nb
the symbol of the most abundant isotope of Osmium
19276Os
the number of neutrons in Zinc-66
36 neutrons
how many valence electrons does an atom of sulfur have? Explain how you know
6 because it is in group 6A