Chemistry Test 02-17b

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How many neutrons are in the most common version of Lead?

125

What group is Chlorine in? What is the group name?

17 / halogens (not found as the element in nature - only as a compound)

How many valence electrons in Barium?

2

What are the group 2 elements called?

alkaline earth metals

What is the third element in group 18?

Argon (symbol Ar)

What element is group 12, period 7?

Copernicium (Cn 112)

What Element is in Group 8 and Period 4?

Fe

Within the Periodic Table, these elements have similar chemical properties because they have the same number of electrons in their outer electron shell.

Group

What period and group is Gold in?

Group 11, Period 6 - a noble metal of the transitional metal family

Within the Periodic Table, these elements have the same number of energy levels.

Period

What is the symbol for Tin?

Sn

What Element is in Group 16 and Period 3?

Sulfur

How many protons in Tungsten?

74

How many electrons can fit in the outside shell/ring/level for period 4 elements?

8

What is the Group of Fe

8

What type of element is Germanium?

metalloid or semi-metal, has properties of metals and non-metals, also a semiconductor

What type of element is Tellurium?

of the oxygen family or chalcogens, a Group 16 element


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