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Periodic Table Flashcards | StudBud
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Periodic Table
Periodic Table
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#periodic table #year10science #science
Flashcards
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Questions
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Answers
1
Nitrogen has the electron configuration 2,5. How many electrons does a nitrogen atom contain?
7
3
5
2
2
Explain where periods are in the periodic table.
the same as the number of electrons in the outermost shell
horizontal rows in the periodic table
vertical columns in the periodic table
a special block sometimes known as the transition elements
3
Identify which of the following statements about group 18 is INCORRECT.
Group 18 is known as the noble gases
All atoms in group 18 have 18 electrons
They have a filled outer shell or 8 electrons
Atoms in group 18 tend to be unreactive
4
An atom has an electronic configuration of 2,8,8,7. What group would it be in?
alkaline earth metals
alkali metals
halogens
noble gases
5
Calcium is in group 2. What would the charge of a calcium ion be?
2+
-3
2-
3+
6
State the symbol for the element sodium
So
S
Na
Sm
7
Neon is in group 18. Identify which family it belongs to.
alkaline earth metals
alkali metals
noble gases
halogens
8
What is the atomic number of nitrogen?
7
N
14.007
14
9
Oxygen is in period 2, group 16. Which of the following elements would have similar properties
S (period 3, group 16)
Os because its symbol also starts with O
Ne (period 2, group 18)
N (period 2, group 15)
10
Mg has 12 electrons. When Mg is in its ground state, its electronic configuration would be...
period 2, group 2
2,8,2
12
10,2
11
Rb has the electron configuration of 2,8,18,8,1. Which group would Rb be in?
37
2
5
1
12
Phosphorus has an electron configuration 2,8,5. State phosphorus' period.
8
2
15
3
13
What are the horizontal rows of the periodic table are called?
periods
shells
groups
families
14
Which is the smallest of these alkaline earth atoms?
Mg (period 3)
B (period 2)
Sr (period 5)
Ca (period 4)
15
Which of the following has a positive charge?
nucleus
electron
atom
neutron
16
What are the vertical columns of the periodic table called?
metals
transition metals
groups
periods
17
How many neutrons does a sodium atom contain?
12
11
22
23
18
(N) 2,5. Use this information to predict the symbol of a nitride ion.
N-5
N+5
N-3
N+3
19
What type of atoms form ionic bonding between them?
non-metal atoms and other non-metal atoms
molecules
metal atoms and other metal atoms
metal and non-metal atoms
20
State which of the following particles has a negative charge.
neutron
proton
electron
atom
