Flashcards
Atoms
Flashcards do conjunto (9)
- 1What is an Atom?It is the smallest piece of an element and is the building block of all matter
- 2What are the 3 sub-atomic particles?Protons, Neutrons, and electrons
- 3Most of an atom's weight is found in the _________________Nucleus
- 4What sub-atomic particles are found in the nucleus of an atom?Protons and neutrons
- 5Describe the electrical charges of the sub-atomic particlesProtons = positive electrical charge
Neutrons = no electrical charge
electrons= negative electrical charge - 6Where are electrons found?In the electron cloud, surrounding the nucleus
- 7The atomic number for Helium is 2. How many protons does a helium atom have?2
- 8An oxygen atom contains 8 protons. How many electrons does it have?8
- 9The atomic mass tells you the combined weight of an atom's protons and ________________neutrons
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- FlashCards sobre Atoms, criado por Ketsia Henry em 17-09-2019.
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- Ketsia Henry
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