click below
click below
Normal Size Small Size show me how
Atoms and Elements 1
Pearson Ch. 4 Voaculary
Question | Answer |
---|---|
What is an atom? | An atom is the smallest particle of an element. |
What is an electron? | An electron is a negatively charged particle. |
What is a proton? | A positively charged particle. |
What is an energy level? | The specific amount of energy an electron has. |
What is a neutron? | A neutrally charged particle. |
What is the atomic number? | The amount of protons in the nucleus of an atom. |
What is an isotope? | An atom with the same number of protons and a different number of neutrons. |
What is the atomic mass? | The sum of the protons and neutrons in the nucleus of the atom. |