Isotopes

Front

How many neutrons does the isotope of lithium have?

Back

5

Front

How many protons does this isotope of titanium have? Options: 48, 22, 26, 70

Back

22

Front

What quantities vary between isotopes of an element?

Back

neutrons and atomic mass

Front

How many neutrons in C-14?

Back

8

Front

How many neutrons does the isotope ⁸⁹ ₃₆Kr have?

Back

53

Front

Ions are:

Back

atoms with a positive or negative charge

Front

How many electrons are in an atom with atomic number 34, atomic mass 74, and charge -2?

Back

36

Front

What is the atomic number of Neon, Ne?

Back

10

Front

Composition of a neutral atom of the isotope ²⁶₁₂Mg.

Back

12 protons, 14 neutrons, 12 electrons

Front

Which of the following statements regarding subatomic particles is incorrect? Options: Protons are positively charged particles and neutrons have no charge., The relative mass of the proton, electron and neutron the same., In a neutral atom the number of protons equals the number of electrons., Isotopes of an element have the same number of protons but a different number of neutrons.

Back

The relative mass of the proton, electron and neutron the same.