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Q1 Week 7 At Struct.
Q1 Week 7 At Structure
| Question | Answer |
|---|---|
| All matter is built up from basic particles called _____. | matter |
| There are three subatomic particles- protons, _____, and electrons. | neutrons |
| _____ and neutrons are found in the nucleus of the atom. | Protons |
| Electrons are found in the ____ space outside of the nucleus. | empty |
| Neutrons are _____ particles, they have no electrical charge. | neutral |
| A neutral atom will have an equal number of protons (positively charged particles) and _____ (negatively charged particles). | electrons |
| The atomic number is the number of _____ in the nucleus of an atom. | protons |
| No two elements have the same number of protons so _____ have unique chemical and physical properties. | elements |
| The ____ number of an atom is the sum of the number of protons and neutrons in an atom’s nucleus. | mass |
| To find mass number, simply add up the protons and ____. | neutrons |
| When we find the atomic mass number, we round it to the nearest ____. | whole number |
| Since the atomic number equals the number of protons & the mass number is the number of protons + neutrons, we subtract the atomic ____ from the atomic mass to find the number of Neutrons. | number |
| Atoms that have the same number of protons but different numbers of neutrons & mass numbers. | isotopes |
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