26 Jun the safety materials and wear goggles when
Question
1. Which group 3 element has the lowest electron affinity?
2. An oxide of a group 4 element is commonly used as a white pigment in paints,
paper, rubber, and plastic and is accepted as the most important compound of the
group 4 elements. What is this element?
3. What is the most common oxidation state of the group 5 elements
4. A group 6 element is in a compound with the formula MI2. The same metal forms
a bright yellow solid with the formula Na2MO4. What is the identity of M?
5. A group 7 element (M) reacts with fluorine to give MF2. The same element
reactions with oxygen to give M2O3. What is M?
6. Which element from groups 8 through 10 has higher ability to separate H2 from
other gases?
7. What is the oxidation state of the metal in the disulfide of Rh, Ir, Pd, and Pt
8. What is the element symbol for the group 11 metal that can be found in the +3
oxidation state?
9. Two of the group 12 elements exhibit very similar chemistries to one another,
while the chemistry of the third is somewhat different. Identify the group 12
element whose chemistry is different from the other two group 12 elements.
10.
11.
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