The answer is Hydrogen bonds
A
not every expirement has control
Answer:
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<em>no</em></h2>
Explanation:
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the particles in gas move so freely that it cannot have a definite density</em></u></h2><h2><u><em>
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moo</em></u></h2>
Answer:
All atoms heavier than barium
Explanation:
In the periodic table, elements are divided into blocks. We have the;
s- block elements
p- block elements
d- block elements
f- block elements
However, immediately after Barium, we now encounter elements that have f-orbitals. Barium possesses a fully filled d-orbital. Hence after it, we see elements with 4f and 5f orbitals called the Lanthanides and actinides. The elements following the lanthanide and actinide series possess completely filled f-orbitals as inner orbitals.
Hence elements heavier than barium all possess f-orbitals.
