How does the periodic table arrange the elements?
A. in alphabetical order
B. by increasing atomic number
C. by the date they were discovered
D. by how common they are on Earth
... they were originally discovered or ... the elements were listed in alphabetical order. ... periodic table: arrangement of the elements, in order of increasing atomic number ... [www.answers.com/topic/periodic-table
]Auto answered|Score .7009User:
Which two elements are in the same period?
A. nitrogen and phosphorus
B. cobalt and iridium
C. sodium and sulfur
D. boron and silicon
D. boron and siliconAuto answered|Score .6|Splutt|Points 253|User:
What is another name for the rows of the periodic table?
... Table: its history and creation, trends, groups/families, and periods are asked in our Periodic Table ... What is another name for the horizontail rows on the periodic table [http://wiki.answers.com/Q/FAQ/4913-262
]Auto answered|Score .6723User:
How many electron energy levels does palladium (Pd) have?
D. 46Auto answered|Score 1|shifa saleheen|Points 9492|User:
Why is the value listed for atomic mass for each element on the periodic table not a whole number?
A. It is an average.
B. It is a measurement error.
C. The numbers of protons can vary for an element.
D. The number of electrons can vary for an element.
All Categories|No Subcategories|Not Answered|2/2/2012 7:50:18 AM