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Chemistry Unit Review 2023 Flashcards | StudBud
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Chemistry Unit Review 2023
Chemistry Unit Review 2023
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Chem review before test for school year 2017-2018.
Flashcards
35 cards
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Practice quiz
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Host live
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Questions
35
Answers
1
How many electrons does the following element have?
4
6.941
3
7
2
To find the number of protons for an atom, you look at the:
Atomic number
Mass number
Period number
Group number
3
Which part of the atom is orbiting in the energy levels?
Electrons
Nucleus
Protons
Neutrons
4
The center of the atom is called the
Neutron
Nucleus
Atomic Number
Middle
5
You must subtract the atomic number from the mass number to find how many _______ there are.
Electrons
Neutrons
Energy Levels
Protons
6
The horizontal rows on the Periodic Table are called:
Groups
Periods
Columns
Atoms
7
To find the total number of electrons for an atom, you look at the:
Period number
Atomic number
Mass number
Group number
8
The Non-Metals on the Periodic Table are
not on the table of elements
on the right side of the zig-zag line.
elements on the left-side of the zig-zag line.
9
How many protons does the following element have?
3
7
4
6.941
10
In the formula AgNO
3
---Ag stands for?
Silver
Arsenic
Argentina
Argon
11
The Metals on the Periodic Table are
not on the table of elements
the most numerous of the elements on the left-side of the zig-zag line.
few in number and on the right side of the zig-zag line.
12
What electric charge do protons have?
Negative
Positive
No Charge
13
It's also the name of this mans home planet ?
KRYPTON
kRYPTONITE
ATOMICA
kRYPTO
14
How many energy levels does the following element have?
6.941
3
4
2
15
The group number (column) tells you how many _________ there are in an atom.
neutrons
valence electrons
protons
energy levels
16
When we collect word data observations in science, we are collecting
Quantitative Data
Qualitative Data
17
Physical or Chemical change- Cooking steak on the grill
Physical
Chemical
18
What is the Mass Number for the following element?
2
4
3
6.941 (or 7)
19
How many valence electrons does the following element have?
4
3
1
6.941
20
When we collect number data observations in science, we are collecting
Quantitative Data
Qualitative Data
21
Which word pairing is correct
Atom--Energy. Molecule--Mass
Atom --Compound. Molecule--Element
Proton--Atom. Electron--Molecule
Atom--Element. Molecule--Compound
22
This piece of chemistry lab equipment is the
Graduated Cylinder
Triple Beam Balance (TBB)
23
The nucleus is the center of the atom that is made up of:
Protons and Electrons
Electrons and Neutrons
Protons and Neutrons
Protons
24
The neutrons have what kind of electric charge?
Neutral (NO Charge)
Negative
Positive
25
The Rare Earth Elements are very hard to find.
False
True
26
To find the number of energy levels (rings) for an element, you look at the:
period number (row)
group number (column)
atomic number
mass number
27
The electrons have what kind of electric charge?
Negative
No Charge
Positive
28
The Metalloids are on the Periodic Table are
on the right side of the zig-zag line.
touching the zig-zag line. except Aluminum.
not on the table of elements
elements on the left-side of the zig-zag line.
29
How many neutrons does the following element have?
4
7
3
6.941
30
Physical or Chemical change- Freezing water into ice cubes
Physical
Chemical
31
Science is
serious Play
both everything and serious play!
everything
32
This piece of chemistry lab equipment is the
Triple Beam Balance (TBB)
Graduated Cylinder
33
Physical or Chemical change- Breaking a pencil in half
Physical
Chemical
34
Physical or Chemical change- Burning wood for a fire
Chemical
Physical
35
Physical or Chemical change- Dissolving Kool-Aid powder into water
Physical
Chemical
