Chemistry Review

What region is referred to as the f-block on the diagram?

• A

• B

• C

• D

Which category of elements have the property of being malleable and ductile?

• gases

• metals

• metalloids

• nonmetals

Which is the energy level that is being filled by electrons in the transition elements of period?

• third

• fourth

• fifth

• sixth

Which metalloid is in the fourth period and the same group as carbon?

• Silicon

• Germanium

• Tin

• Boron

In the diagram, the "O" refers to the element's

• atomic mass.

• atomic number.

• atomic symbol.

• state of matter.

A compound has the formula X₃Y. For every 15 X atoms present in this compound, how many Y atoms are there?

• 3

• 5

• 45

• 15

Which is the correct order of bond strength, from greatest to least, for the compounds MgCl₂, MgO and Mg₃N₂?

• MgO, MgCl₂, Mg₃N₂

• Mg₃N₂, MgCl₂, MgO

• MgCl₂, MgO, Mg₃N₂

• Mg₃N₂, MgO, MgCl₂

Which is a correct statement of bond strength?

• Compounds with smaller atoms have weaker bond strength.

• Compounds with a higher total number of atoms in the compound have greater bond strength.

• Compounds containing ions with greater charges have higher bond strength.

• Compounds with a more negative lattice energy have lower bond strength.

Which is the correct formula for the compound Manganese (III) Fluoride?

• MnF

• Mn_3F

• MnF₃

• Mn₃F₃

Which is the correct formula for the compound Chromium (II) Nitrate?

• (Cr)₂NO₃

• Cr₂NO₃

• CrNO₂

• Cr(NO₃)₂