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Periodic table review Flashcards | StudBud
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Periodic table review
Periodic table review
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Flashcards
27 cards
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Questions
27
Answers
1
How many electrons does this element have (for now)?
49
64
48
65
2
What's the element symbol for this element?
Rd
RD
RH
Rh
3
Helium has no core electrons
False
True
4
A beta particle...
has a charge of -1
all of the above
is the same as an electron
has no mass
5
Lithium has 2 core electron and 1 valence electron for a total of 3 electrons
False
True
6
The mass number of sodium is...
23
22.990
7
Semi-metals...
have properties that can always be predicted
have properties of metals
Have properties of non-metals
Have properties of metal and non-metals
8
What number should go in place of the question mark?
1
16
12
7
9
This element is...
brittle
crystalline
amorphous
insulator
10
The atomic number is the same as...
the number of electrons
the number of neutrons
the number of protons
the mass number
11
This nuclide symbol is correct
True
False
12
This element is a
metal
non-metal
semi-metal
metalhead
13
How many valence electrons does Nh have?
3
7
5
1
14
the first ring can have up to...
8 electrons
14 electrons
2 electrons
0 electrons
15
What's the name of this element?
strontium
scandium
tin
antimony
16
Non-metals are reactive to acid.
False
True
17
The atomic mass of sodium is 22.990
False
True
18
Protons have mass
False
True
19
How many valence electrons does Kr have?
4
8
2
6
20
How many neutrons does this element have?
15
28
13
14
21
How many neutrons does Ag have?
61
107.868
47
108
22
A nucleus is made up of...
protons and neutrons
protons and electrons
electrons and neutrons
protons, electrons, and neutrons
23
An element's form can be...
crystalline/amorphous
insulator/conductor
reactive/non-reactive
malleable/brittle
24
Electrons have mass
True
False
25
This element is a...
semi-metal
metalhead
metal
non-metal
26
This element is...
conductive
crystalline
malleable
brittle
27
The atomic number of Cobalt is
47
27
59
63
