How is the periodic table of the elements arranged?
2 answers:
Answer:
Answer is B
Explanation:
i just took the test
Answer:
B. By aligning groups with common properties.
Explanation:
- The periodic table is a table of elements arranged into rows called periods and columns called groups.
- Elements with similar chemical properties are placed in the same group. For example, group 1 elements known as alkali metals share similar properties.
- Elements in the same period or low have the same number of energy shells or energy levels. For example elements in period 3 have 3 energy levels.
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1) inertia 2) gravity 3) greater
A = piR^2
a = pi × (8÷2)^2
a = pi × 4^2
a = pi × 16
a =50.27ft^2
Im not 100% sure, but I think the answer is C. If not, Im sorry for bothering you.
Explanation:
carbon has 1 less electron energy shell than silicon
Answer:
Explanation:
I think option d is correct
