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Atomic Structure and PT Trends
Atomic Structure and PT Trends
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Atomic Structure and Periodic Table Trends Review
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44 cards
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Questions
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Answers
1
The diagram shows a model of an atom. Which label points to a proton?
D
B
C
A
2
What property makes Metalloids useful in electronic equipment such as computers?
They can conduct electricity under certain conditions.
They have a complete set of V.E.s so don't react.
They are gases at room temperature & are light in weight.
They are brittle and can break into small pieces easily.
3
The diagram shows a model of an atom. Which label points to a neutron?
A
B
C
D
4
Each atom of Silicon (Si) has 4 valence electrons. Which of these elements also has 4 V.E.?
Nitrogen (N)
Lead (Pb)
Aluminum (Al)
Phosphorus (P)
5
The diagram shows a portion of the periodic table. What make the shaded elements unique?
They are metalloids.
They do not react with other elements.
They are gases at all temperatures.
They can be made in a laboratory only.
6
Which subatomic particle has a negative electrical charge?
Electron
All of the above.
Proton
Neutron
7
Draw a Bohr model of the element of carbon. How would you arrange the electrons?
They would be located in a central nucleus.
They would be in rings around the nucleus.
They would be spread evenly in the shape of a cloud.
They would be embedded in a solid core.
8
Which two subatomic particles are located in the nucleus of an atom?
Neutrons and Protons.
There are no subatomic particles in the nucleus.
Neutrons and Electrons
Protons and Electrons.
9
Which properties most likely belong to a metal?
Brittle and Dull
Gaseous and Unreactive
Ductile and Malleable
Liquid and Clear
10
Which of the following explains why elements in Group 18 do not react with any other elements.
These elements have the same atomic number.
These elements are within the same period.
These elements are very reactive.
Their valence electrons are totally filled.
11
Nitrogen is an element. What is the smallest particle that has all the properties of nitrogen?
An electron from a Nitrogen atom.
An atom of Nitrogen.
A proton from a Nitrogen atom.
A molecule that contains
12
An atom's mass number is 210 and its atomic number is 85. How many neutrons does the atom have?
125
295
210
85
13
Which of the analogies best describes a Bohr model of an atom?
A bohr medel is like the solar system, they show orbits.
A Bohr model is like a bowling ball, they are both solid.
A Bohr model is like a puzzle, small parts joined together.
A Bohr model is like a string of beads, small parts lined up
14
The diagram shows a Bohr model of an atom. According to the model, what element is it?
Oxygen
Nitrogen
Silicon
Boron
15
How are all of these elements classified?
They are all metals.
They are all noble gases.
They are all metalloids.
They are all nonmetals.
16
What group is the most reactive nonmetals?
Noble Gases
The Lanthanides
The Carbon Group
Halogens
17
What is the atomic number of an atom that has 17 protons, 18 neutrons, and 17 electrons?
17
52
35
18
18
Which describes how elements are arranged in the periodic table/?
By increasing atomic mass.
By chemical symbol.
By alphabetical order of symbol name.
By increasing atomic number.
19
What is a column of the periodic table called?
Group
Energy Level
Atomic Number
Period
20
Iron is located to the right of (Mn). The atomic # of Mn is 25. What is the atomic # of iron?
26
25
18
24
21
Metals are used to make pots & pans. Which property makes them useful for this purpose?
They are good conductors of thermal energy.
They are shiny.
They are brittle.
They can be drawn into wires.
22
What do elements in the same group on the periodic table have in common?
They have the same atomic number.
They have similar chemical symbols.
They have the same average atomic mass.
They have similar chemical properties.
23
Which subatomic particle has no charge?
All of the above.
Neutron
Electron
Proton
24
In the Periodic Table there are boxes, which of the following does each box represent?
A Compound.
An Element.
A Group
A Period.
25
What are the columns and rows of the periodic table called?
Periods and Energy Levels.
Atomic Numbers and Periods.
Groups and Periods.
Groups and Atomic Numbers.
26
The diagram shows an atom. Which label points to a part of the atom that has a negative charge?
D
C
A
B
27
What is the atomic mass of the atom shown?
10
28
19
9
28
The diagram shows a model of an atom. Which label points to a electron?
C
B
A
D
29
What is true about the position of all metals in the periodic table?
They are in the right most column.
They are in the first group.
They are in the bottom period.
They are to the left of the zigzag line.
30
What is the atomic number of the atom shown?
28
9
10
19
31
Which subatomic particle has a positive electrical charge?
All of the above.
Proton
Neutron
Electron
32
An atom of the gallium (Ga) has 31 protons & 39 neutrons. What is the atomic number of Gallium?
31
8
70
39
33
The diagram shows an atom. Which label points to a part of the atom that has no charge?
D
B
A
C
34
Which group of elements are the most reactive nonmetals on the Periodic Table?
Alkali Metals
Halogens
Metalloids
Noble Gases
35
Which of the following atoms is least likely to form chemical bonds with other atoms?
A neon atom containing 8 valence electrons.
A sodium atom containing 1 valence electron.
A carbon atom containing 4 valence electrons.
A hydrogen atoms containing 1 valence electron.
36
As you move from left to right on the periodic table, the atomic #s of the elements tend to...
Increase
Decrease
Remain the same.
None of the above.
37
Which group of the periodic table has a complete set of valence electrons?
Group 14, The Carbon Group
Group 17, the Halogens
Group 1, the Alkali Metals
Group 18, the Noble Gases
38
If Fluorine has an atomic number of 9 and a mass of 19, how many electrons does Fluorine have?
10
9
28
19
39
Why do atoms have an overall neutral charge?
Same number of positive protons and negative electrons.
Same number of neutral neutrons and negative protons.
Same number of negative electrons and positive neutrons.
Same number of negative protons and positive electrons.
40
What group is the most reactive metals?
Alkali Metals
Noble Gases
Halogens
Transition Metals
41
What group on the Periodic Table separates the metals from the nonmetals?
Transition Metals
Metalloids
Halogens
Rare Earth Metals
42
The diagram shows a model of an atom. Which label points to the nucleus?
B
A
D
C
43
If Fluorine has an atomic number of 9 and a mass of 19, how many neutrons does Fluorine have?
10
9
19
28
44
What is the mass number of an atom that has 4 protons, 4 electrons, and 5 neutrons?
4
1
9
13
