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Periodic Table Basics Flashcards | StudBud
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Periodic Table Basics
Periodic Table Basics
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Trends in the periodic table, balancing, bonding, chemical reactions
Flashcards
27 cards
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Practice quiz
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Questions
27
Answers
1
There are two parts to every chemical equation: the __ on the left and the __ on the right!
Reactants; Products
products; reactants
addends; products
synthesis; decompositon
2
The elements to the left of the dark zigzag line on the periodic table are
metalloids
gases
metals
non-metals
3
The atomic number of an atom is always equal to the number of its
protons + electrons
neutrons
protons + neutrons
protons
4
Where are the noble gases located on the periodic table?
3
15
18
1
5
What is the total number of valence electrons in Mg-26
4
2
3
1
6
What is the last energy level filled for Co?
1d
4s
3d
4p
7
Who invented the periodic table
Einstein
Halsey
Mendeleev
Rutherford
8
Where are the metalloids
They are the bottom two periods on the periodic table
They are the first family of metals
They are the lower portion of the table (groups 3-12)
They make up the staircase
9
What do the rows on the periodic table stand for?
# of electrons
valence electrons
# of protons
electron shells
10
Which substance is correctly paired with its type of bonding?
NaBr - covalent
NH3 - covalent
HCl (hydrochloric acid)- covalent
Br2 - ionic
11
What do the dots in a Lewis dot diagram stand for?
valence electrons
numbers of protons
total number of electrons
number of neutrons
12
Elements that never combine with other elements belong to the
halogens
noble gases
alkali metals
transition metals
13
What group is the nitrogen family located?
5A
6A
3A
1A
14
How many oxygen atoms in the reactant part of this formula? 2 Al(NO3)3 + H2SO4 -->
10
9
22
18
15
Which compound contains an ionic bond
NO
CaO
CO2
NO2
16
Which element is located in group 2, period 3?
Be
Mg
K
B
17
What period has Hydrogen (H) in it?
7
5
1
4
18
Told ya this was a hard quiz, now prepare to balance:
Cu + HNO
3
→ Cu(NO
3
)
2
+ NO + H
2
O
you are:
I love that song!
3Cu + 8HN3→ 3Cu(NO7)2+ 2NO + 4HO
3Cu + 8HNO3→ 3Cu(NO3)2+ 2NO + 4H2O
Are you sure this language exists on earth?!
19
What is the oxidation (charge) in group 2?
-2
+2
-6
+6
20
Where are the halogens?
2
16
17
12
21
Elements within the same vertical column
have identical properties
have similar but not identical properties.
are arranged alphabetically
belong to the same period
22
The horizontal rows of elements in the periodic table are called
families
groups
periods
keys
23
How do you write
potassium oxide
in a formula? (You must bond to do this)
Yiiiiiiiii
KO2
K5O
K2O
24
Which side of the periodic table are metals
staircase
right
bottom rows
left
25
What is the atomic mass of Li?
7.891
6.941
6.541
4.651
26
A noble gas that has only has 2 electrons
He
Ne
Rn
Xe
27
A covalent bond is made of what two types of elements?
metal & nonmetal
an alkali metal & a halogen
2 nonmetals
2 metals
