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Periodic table and atomic structure Flashcards | StudBud
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Periodic table and atomic structure
Periodic table and atomic structure
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Periodic table and atomic structure
Flashcards
11 cards
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Questions
11
Answers
1
An elements atomic weight/mass tells us what?
Number of protons + neutrons
Number of neutrons + electrons
2
What is the charge of an electron?
Positive
Negative
neutral
3
Where do electrons occur?
In the nucleus
Empty space
In the electron shells
4
An elements atomic number shows what?
Number of protons
Number of neutrons
Atoms weight
5
What are the three components of an atom?
Proton, neutron, electron
Electricity, proton, empty space
Neutron, empty space, electron
Proton, electron, nitrogen
6
How can we find the number of neutrons in an atom?
Atomic weight - atomic mass
It equals number of protons
7
In a neutral atom the number of electrons is equal to...
The number of protons
The number of neutrons
8
What is the charge of a proton?
Neutral
Positive
Negative
9
What is an element?
A substance composed of more than one type of atom
A substance composed of a single type of atom
10
What is an atom?
Largest unit of matter
Smallest unit of matter
11
Where are protons and neutrons found?
Nucleus
Empty space
Electron shell
