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Periodic table review physical science Flashcards | StudBud
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Periodic table review physical science
Periodic table review physical science
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questions about the periodic table and the Bohr model of the atom
Flashcards
17 cards
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Questions
17
Answers
1
How many valence electrons does an alkali metal atom have?
1
8
7
2
2
Mendeleev put his elements in order according to
chemical reactivity
number of electrons
number of protons
atomic mass
3
What type of element has a shiny appearance and conducts electricity
Halogen
Nonmetal
Metal
metaloid
4
How is the order of the modern periodic table set up.
Chemical reactivity
Number of electrons
Number of protons
atomic mass
5
Elements with how many valence electrons are the most reactive
5
7
6
8
6
Elements with how many valence electrons are the most reactive
2
3
4
1
7
What type of element is element B
transition metal
Nobel Gas
Halogen
Alkali metal
8
How do we know that atoms are mostly made of space
Alpha particles deflect at large angles
atoms are attracted towards the positive plates
alpha particles mostly travel through it
chemicals combine in whole ratios
9
What type of element is element A
transition metal
Nobel Gas
Alkali metal
Halogen
10
How many valence electrons does a halogen atom have?
2
7
1
8
11
Why is it called the periodic table
The elements were put on a table to make the table
Periodically we will look at the table
They have rows called periods
elemental characters repeat themselves in a predictable way
12
How do you make a positive ion
add protons
take away protons
take away electrons
add electrons
13
What type of element is element E
Alkali metal
Halogen
Nobel Gas
transition metal
14
What makes an isotope different from each other?
# of electrons
# of protons
# of neutrons
# of nuclei
15
How do you make a negative ion
take away electrons
add electrons
add protons
take away protons
16
How many valence electrons are on Phosphorus
4
2
5
3
17
How many electron energy levels are on Phosphorus
5
4
2
3
