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Atoms, PT and matter review
Atoms, PT and matter review
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Atoms, Periodic Table, Matter Review
Flashcards
40 cards
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Practice quiz
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Questions
40
Answers
1
On the periodic table, nitrogen is represented by the letter N. What does the N represent?
Element Symbol
Period
Chemical Equation
Group
2
How many neutrons does an atom of bromine have in its nucleus?
45
80
79.904
35
3
Which letter in the model of this boron atom represents the nucleus?
Y
Z
X
W
4
When you observe a chemical property, the substance___________________.
None of the Above
Melts
Forms a new substance
Stays the same
5
The picture below shows three objects that can be classified in the same category.
They are metals
They rust rapidly
They weigh the same
They are the same color
6
The atomic number of an element represents which of the following?
the sum of the protons and neutrons in the atom
the number of neutrons in the atom
the sum of the protons and electrons in the atom
the number of protons or electrons in the atom
7
What cannot be broken down into a smaller substance?
None of the Above
Pure Substance and Compound
Compound and Mixture
Element and Pure Substance
8
What is melting point of water in Celsius?
32
0
100
212
9
According to the periodic table, the following atomic model represents what element?
Sulfar
Oxygen
Beryllium
Chromium
10
Which of the following is true of elements in the same family/group on the periodic table?
They have very similar chemical symbols.
They have the same atomic mass.
They are in the same period.
They have similar properties.
11
Anything that takes up space and has volume is called?
Matter
Atoms
Mass
Volume
12
When a can is ran over by a car, it is said to have had a ________________.
Chemical Property
Physical Change
None of the Above
Chemical Change
13
Substances with a pH of 7 are considered
atoms
bases
neutral
Acids
14
Which of the following elements would be considered a non-metal?
Li
Ca
K
Ar
15
Which letter in the model of this boron atom represents a neutron?
W
X
Z
Y
16
We use our 5 senses to find what type of properties?
Chemical
Changes
Matter
Physical
17
An example of a Chemical Change is:
Window breaking
Water Boiling
Bike Rusting
Candle melting
18
Horizontal rows on the periodic table are called
atoms
Periods
Elements
families
19
Which of the following are considered Physical Properties of Matter?
All the above
Conductivity
Malleability
Shape
20
The atomic mass of an element represents which of the following?
the number of neutrons in the atom
the sum of the protons and neutrons in the atom
the number of protons in the atom
the sum of the protons and electrons in the atom
21
Which of the following is a physical property of most candy?
liquid
Sticky
Chemical
Physical
22
Where are the most reactive metals on the periodic table found?
Groups 13 through 16 in the center.
Group 1, the first column on the left.
Periods 6 and 7 at the bottom.
Period 1, the first row across the top.
23
Substances with a pH of 8-14 are considered
protons
acids
bases
neutral
24
Which is not a physical property of matter?
Malleability
Density
Color
Flammability
25
What is the freezing point of water in Celsius?
32
0
100
212
26
A ______ is a white solid that forms in a solution.
Physical
Chemical
Precipitate
Dust
27
Which letter in the model of this boron atom represents a proton?
Z
X
Y
W
28
Which subatomic particle is located furthest away from the center of the atom?
Orbital
Neutron
Proton
Electron
29
What is the range on a PH scale?
0-10
0-14
0-11
0-12
30
Which is an example of chemical property?
Shape
Combustibility
Malleability
Density
31
Most of the time, chemical changes:
Cannot be reversed
Can change matter
Can be reversed
Can change state
32
Substances with a pH of 0-6 are considered
Neutral
matter
Acids
Bases
33
What is a possible sign of a chemical change?
Bubbles
Forms a new substance
All of the above
Heat given off
34
Color and Shape describe:
Physical Properties
Feel
Chemical Properties
Chemistry
35
What is the boiling point of water in Celsius?
212
0
100
32
36
The diagram above shows a block from a periodic table. What does the number 6 represent?
The number of neutrons in the element carbon.
The atomic mass of the element carbon.
The atomic number of the element carbon.
The number of valence electrons in the element carbon.
37
When you observe a physical property, the substance:
Change what it is made of
Changes into something else
Increase in temperature
Stays the same
38
How many more protons does magnesium (Mg) have than beryllium (Be)?
8
5
7
15
39
An odor being given off after a person walks away is a_______________.
Physical Change
Physical Property
Chemical Change
State of Matter
40
What group do elements sulfur (S), nitrogen (N), phosphorus (P) and bromine (Br) all belong?
Metals
Gases
Metalloids
Non-Metals
