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On the left side of the periodic table
In the middle of the peridic table
On the right side of the periodic table.
Number of neutrons in a lithium atom
The atomic mass in the lithium atom
The number of protons in the lithium atom
3.91 indicates the mass of 1 atom of lithium
Indicates the average atomic mass of lithium - taking into consideration the naturally occuring isotopes
It is the average number of protons in lithium metals
Conduct electricity and heat.
Non-shiny and generally liquid at room temperature.
Shiny and generally gas at room temperature.
They are the bottom two periods on the periodic table.
They are the first family of metals
They are the elements that straddle the step-like like between the metals and non-metals. They share characteristics of both groups.
Group 1 (IA)
Group 2 (IIA)
Group 3 (IIIA)
Group7 (VIIA or 17)
Group 8 (VIIIA or 18)
6 electrons and 6 protons means carbon
4 valence electrons indicates it is beryllium
None of the above
An atom with 6 protons, 6 electrons, but only 5 neutrons
An atom with 6 protons, 6 electrons and 6 neutrons
An elements with 6 protons, 5 electrons and 5 neutrons
Two carbon atoms, one with 6 electrons, one with only 5 electrons.
Two oxygen atoms, one with 6 neutrons and 1 with 5 neutrons
An oxygen atom with 6 neutrons and a nitrogen atom with 6 neutrons