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Chemistry Review: The Atom, Standard Notation, Reading the Periodic Table Flashcards | StudBud
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Chemistry Review: The Atom, Standard Notation, Reading the Periodic Table
Chemistry Review: The Atom, Standard Notation, Reading the Periodic Table
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#Science #Chemistry #Matter #Atom
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1
What does the ATOMIC NUMBER tell us?
the number of electrons only
the # of protons and the # of electrons in a neutral atom
the total number of protons and electrons an atom has
the number of protons only
2
Electrons...
Hop wildly around the nucleus
Gather inside the nucleus
Orbit around the nucleus in a fixed path
Crash into the nucleus if they go to fast
3
Protons and neutrons are ____________ than electrons.
more important
a different shape
much smaller
much larger
4
Electrons are _____________ than protons or neutrons.
much larger
less important
more positive
much smaller
5
What does the MASS number tell us?
Number of neutrons only
Number of protons only
Number of electrons only
Number of protons and neutrons in the nucleus
6
A nucleus is ______________ packed with protons and neutrons.
Tightly
Loosely
7
There is mostly _______________ between electrons.
energy
empty space
anger
jealousy
8
A neutral atom has a DIFFERENT number of protons and electrons.
True
False
9
How many protons does an atom of Gold have?
197
196
97
79
10
Which element has atomic NUMBER 12?
Lithium
None of the above
Magnesium
Carbon
11
Different types of atoms have different numbers of protons, neutrons and electrons.
False
True
12
The centre part of an atom is called the...
Sun
Sweet Spot
Nucleus
Nucleolus
13
All matter is made of tiny particles called...
Dust
Atoms
Molecules
Protons
14
What OVERALL charge does the nucleus have?
No Charge
None of the above
Negative Charge
Positive Charge
15
What is the Atomic Number for Gold?
79
196
97
197
16
What charge does a neutron have?
negative
neutral
None of the above
positive
17
A nucleus is made up of ______________ and _______________.
Neutrons only
Protons, Neutrons and Electrons
Protons and Neutrons
Protons only
18
Which element has a MASS number of 23?
Sulfur
None of the above
Sodium
Vanadium
19
What charge does a proton have?
None of the above
Positive
Neutral
Negative
20
The positive and negative charges of a neutral atom...
repel each other
are not equal
balance each other out
21
Electrons are found ______________ the nucleus.
Inside
Outside
