Match the key terms from this topic to their appropriate definitions.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Atomic Mass | arrow_right_alt | The number of protons within an element. |
Electron | arrow_right_alt | The mass of an atom (protons + neutrons). |
Neutron | arrow_right_alt | A positive particle located inside of the nucleus; has a mass of 1 amu. |
Atomic Number | arrow_right_alt | A particle located inside of the nucleus without a charge; has a mass of 1 amu. |
Isotope | arrow_right_alt | A negative particle located outside of the nucleus; has a mass of 1 amu. |
Protons | arrow_right_alt | Atoms of the same element with the same number of protons, but different numbers of neutrons. |
A chemist finds an unknown atom that contains 23 protons, 28 neutrons, and 23 electrons. What element is it?
A chemist finds an unknown atom that contains 15 protons, 16 neutrons, and 15 electrons. What element is it?
Based on the Periodic Table square shown below, which answer choice below best describes the particles held within an atom of Argon (Ar)?
Review the isotope symbol shown below.
Which statement best describes the particles held within the nucleus of this atom?
What element is shown in the diagram below? Explain your answer
Select all which are true
Which of the following best explains why the atomic mass on the Periodic Table is a decimal.
A chemist has isolated an atom with 14 protons, 16 neutrons, and 14 electrons. Write the isotope symbol of this atom.
4 naturally-occuring isotopes of an unknown element are shown in the table below. Calculate the average atomic mass of this element. Show your work and round your answer to the nearest hundredth place (2 places after the decimal).
