Periodic Table 2 Question Preview (ID: 429)
Review Of Periodic Table.
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Atomic weight in the periodic table refers to ____________.
a) the number of electrons in an atom of each element
b) the number of neutrons in an atom of each element
c) the number of protons and electrons in an atom of each element
d) the average weight of atoms of the different isotopes of that element
On the periodic table, calcium and bromine are located in period 4. What is one difference between the two elements?
a) Calcium atoms are more reactive than bromine atoms.
b) Bromine and calcium atoms will each combine with the same elements to form compounds.
c) Calcium atoms combine more easily with other atoms in Group 2.
d) Bromine atoms have more electrons in their outer shell than calcium atoms.
Beryllium, magnesium and calcium are all located in group 2 of the periodic table. What else do these elements have in common?
a) They all have the same atomic weight.
b) They are all radioactive.
c) They are Noble gases.
d) They are metals.
The periodic table ____________.
a) arranges the elements in alphabetical order
b) arranges the elements in the order in which they were discovered
c) arranges the elements based on common physical properties and how they react with each other
d) arranges the elements in the order of their melting points
What are the electrons in the outermost shell of an atom called ?
a) valence electrons
b) ions
c) orbitals
d) neutrons
Where are electrons found in an atom?
a) orbitals
b) columns
c) periods
d) force fields
Beryllium, magnesium and calcium are all located in group 2 of the periodic table. What else is true about group 2 elements?
a) They are less reactive than elements in group 1.
b) They all react with many lanthanide metals to form nutrients
c) They all are lighter than air and dissolve easily in water.
d) These elements are so stable they do not easily react with anything.
The noble gases helium, neon, argon and krypton are all located in group 18 of the periodic table. What can you predict about these elements, based on their group?
a) These elements react with many non-metals to form electrolytes.
b) These elements are unstable and will easily react with metals to form rust.
c) These elements are very common in the atmosphere.
d) These elements are so stable they do not easily react with anything.
What is the atomic weight of copper?
a) 29
b) 63.55
c) 58.933
d) 27
The halogens are located where on the periodic table?
a) Group 18
b) Group 17
c) Periods 6 and 7
d) Group 1
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