Assertion: atom's number | /r/Synonym | be
Facets:
Source sentences:
text: A number of beryllium borides are known, such as Be 5 B, Be 4 B, Be 2 B, BeB 2 , BeB 6 and BeB 12 .
text: However, a small number (about one in a million) of hydrogen atoms have a proton and a neutron in their nuclei.
text: A number of beryllium borides are known, such as Be 5 B, Be 4 B, Be 2 B, BeB 2 , BeB 6 and BeB 12 .
text: A number of beryllium borides are known, such as Be 5 B, Be 4 B, Be 2 B, BeB 2 , BeB 6 and BeB 12 .