Atoms & Elements
Flashcard
•
Chemistry
•
6th - 8th Grade
•
Practice Problem
•
Hard
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20 questions
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1.
FLASHCARD QUESTION
Front
Which of the following best describes an atom? Options: protons and neutrons grouped together, protons and electrons grouped together, a core (center) of protons and neutrons surrounded by electrons, a core of electrons and neutrons surrounded by protons
Back
a core (center) of protons and neutrons surrounded by electrons
2.
FLASHCARD QUESTION
Front
Which of the following is found farthest from the center of an atom? Options: nucleus, proton, neutron, electron
Back
electron
3.
FLASHCARD QUESTION
Front
Which of the following atoms has 14 electrons? Options: Carbon (C), Silicon (Si), Sulfur (S), Argon (Ar)
Back
Silicon (Si)
4.
FLASHCARD QUESTION
Front
Which statement best describes the part of the atom that is shown by the letter B?
Back
It is a neutron, and it has a neutral charge.
5.
FLASHCARD QUESTION
Front
Cobalt (Co) has 27 protons in each atom. Which of the following also describes an atom of Cobalt? Options: It has no neutrons., It has 27 electrons., It has 13 neutrons and 14 electrons., It has a total of 86 neutrons and electrons.
Back
It has 27 electrons.
6.
FLASHCARD QUESTION
Front
Manganese has an atomic mass of 55 and an atomic number of 25. What does this information reveal about most phosphorus atoms?
Back
They contain more neutrons than protons.
7.
FLASHCARD QUESTION
Front
Number and location of protons in a Sulfur atom (S)? Options: 32 protons, located in the nucleus, 16 protons, located in the nucleus, 32 protons, located outside the nucleus, 16 protons, located outside the nucleus
Back
16 protons, located in the nucleus
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