Exam 2: Atoms, Molecules, and Ions

The element X has three naturally occurring isotopes. The masses (amu)and % abundances of the isotopes are given in the table below. The average atomic mass of the element is ________ amu.

Which pair of elements would you expect to exhibit the greatest similarity in their physical and chemical properties?

All atoms of a given element have the same ________.

Predict the empirical formula of the ionic compound that forms from sodium and fluorine.

The formula for zinc phosphate is Zn₃(PO₄)₂. What is the formula for cadmium arsenate?

There are ________ protons, ________ neutrons, and ________ electrons in I^-.

The formula of bromic acid is ________.

The element X has three naturally occurring isotopes. The masses (amu)and % abundances of the isotopes are given in the table below. The average atomic mass of the element is ________ amu.

Different isotopes of a particular element contain different numbers of ________.

The molecular formula of a compound is always ________ the empirical formula.

In the symbol below, X = ________. X

________ and ________ reside in the atomic nucleus.

The correct name for N₂O₅ is ________.

Which atom has the largest number of neutrons?

200 pm is the same as ________ Å.

The correct formula of iron (III)bromide is ________.

Barium forms an ion with a charge of ________.

The correct name for Mg(ClO₃)₂ is ________.

The correct name for CCl₄ is ________.

Element X has three naturally occurring isotopes. The masses (amu)and % abundances of the isotopes are given in the table below. The average atomic mass of the element is ________ amu.