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Q1 Week 9 Periodic T
Q1 Week 9 Periodic Table Introduction
| Question | Answer |
|---|---|
| The Atomic number is determined by only one thing → the number of ____ in the atom’s nucleus. | protons |
| Developed a system of symbols for naming the elements, using 1–2 letters of each element’s Latin name. | Jacob Berzelius |
| The identity of the element is always determined by its proton _____. | number |
| The first letter of an element symbol is _____ capitalized | always |
| Each shell or ______ level has a specific number of electrons it can “hold.” | energy |
| _____ derives its name from Thor, the Norse god of thunder. | Thorium |
| Atomic ____ is determined by adding the number of protons plus the number of neutrons in any atom. | Mass |
| What is the number of electrons on each energy level known as? | Electron Configuration |
| Most periodic tables do not list the number of what? | neutrons |
| To find the number of neutrons we subtract the number of ____ from the atomic mass. | protons |
| If an atom has a mass of 12 and has 6 protons, how many NEUTRONS does it contain? | 6 |
| If an atom has a mass of 7 and has 3 protons, how many NEUTRONS does it contain? | 4 |
| If an neutral atom has 2 protons, how many electrons does it have? | 2 |
| If an atom has 2 protons and 2 neutrons, what is its atomic mass number? | 4 |
| If an atom has 14 protons and 16 neutrons, what is its atomic mass number? | 30 |
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