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Elements of the Periodic Table (Ms. Dinh) Flashcards | StudBud
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Elements of the Periodic Table (Ms. Dinh)
Elements of the Periodic Table (Ms. Dinh)
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Calculate the number of protons, neutrons and electrons. Periodic Table review
Flashcards
40 cards
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Questions
40
Answers
1
Elements that have characteristics of both metals and nonmetals are called ______.
conductors
metalloids
nonmetals
2
Electrons have a ______ charge.
negative
positive
neutral
3
Silver, copper and gold are all ____.
nonmetals
metals
isotopes
semiconductors
4
Potassium has ____ electrons.
20
39
19
8
5
Fluorine and neon both have ____ neutrons.
20
9
10
11
6
The atomic mass is always greater than or equal to the atomic number of an element.
True
False
7
What is the atomic number of aluminum?
18
27
12
13
8
Protons and neutrons together equal the _______.
period
electrons
atomic number
atomic mass
9
Where on the periodic table are copper, silver and gold found?
center
left hand side
on the top
right hand side
10
Elements found on the right hand side of the table are _______.
semiconductors
explosive
metals
nonmetals
11
Nobel gases do not react with other elements.
False
True
12
Which element has 16 protons?
neon
sodium
magnesium
sulfur
13
What is the atomic mass of the atom seen?
11
6
1
5
14
How many electrons would this element have?
70
45
35
80
15
Neutrons have a negative charge.
False
True
16
No two elements can have the same symbol.
False
True
17
Electrons are about 2,000 times smaller than a neutron or proton.
False
True
18
Electrons in the outer most shell are called valence electrons.
False
True
19
Silicon is an example of a metal.
False
True
20
Which subatomic particle has no charge?
neutrons
protons
electrons
21
The nucleus of an atom conists of
protons and neutrons
neutrons
electrons
protons
22
Which element is seen in this model?
chlorine
oxygen
bromine
krypton
23
The formula for finding the number of neutrons is _____?
Atomic Number + Atomic Mass
Atomic Number - Atomic Mass
Atomic Mass - Atomic Number
Protons - Electrons
24
Which two subatomic particles are always equal in number?
electrons and neutrons
electrons and protons
protons and neutrons
25
Which element has no neutrons?
boron
hydrogen
helium
lithium
26
Which subatomic particle has a positive charge?
leptons
protons
neutrons
electrons
27
Which element is shown in the model?
boron
fluorine
carbon
nickel
28
How many neutrons does lithium have?
4
3
6.9
7
29
How many protons does nitrogen have?
8
10
7
9
30
Helium and neon are in the same family.
False
True
31
Which subatomic particle travels around the nucleus?
quarks
neutrons
protons
electrons
32
What is the atomic number of nickel?
124
56
28
24
33
The horizontal rows found on the periodic table ______.
periods
families
34
_____ are located on the left hand side of the periodic table.
metalloids
nonmetals
metals
35
Which element has the symbol Cu?
calcium
carbon
cobalt
copper
36
_____ are the vertical columns found on the periodic table.
periods
families
37
What is the atomic mass of this element?
80
35
45
70
38
Most metals are _______.
good conductors
solids
shiny
all the above
39
Which element has the symbol Mn?
manganese
molybdenum
bromine
magnesium
40
Which family has a filled outer energy level?
transitional metals
metalliods
nobel gases
halogens
