Atoms, Isotopes, Ions

Front

Adding or subtracting neutrons (charge = 0, mass = 1) makes the element change into an...

Back

isotope

Front

The atomic number is equal to _.

Back

the number of protons and electrons

Front

Charge on a lithium atom that loses 1 electron? Options: +1, 0, -1, -2

Back

+1

Front

Is the element shown in this image an ion, isotope or normal atom? Options: atom, isotope, cation (+ ion), anion (- ion)

Back

atom

Front

Helium (He atomic number 2) has 2 protons, 2 neutrons, and 2 electrons. Is the He element shown above an atom, an element, or an isotope?

Back

atom

Front

The atomic mass is equal to _. Options: the number of protons only, the number of neutrons only, the total number of protons and neutrons, the number of protons, neutrons, and electrons.

Back

the total number of protons and neutrons

Front

How many protons does this isotope of titanium have? Hint: titanium has an atomic number of 22.

Back

22

Front

Which atom has 4 neutrons? Options: Li-6, Li-7, Li-8, they have the same # of neutrons

Back

Li-7

Front

What is the atomic number of Fe?

Back

26

Front

Carbon has an atomic number of 6 and an atomic mass of 12. Which elements are considered isotopes of carbon? Options: Carbon-12, Carbon-13, Carbon-14, Both Carbon-13 and Carbon-14

Back

Carbon-13 and Carbon-14