Exam 2: Atoms, Molecules, and Ions

The correct name for Na₂O₂ is ________.

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

When a bromine atom forms the bromide ion, it has the same charge as the ________ ion.

Of the choices below, which one is not an ionic compound?

Elements in Group 1A are known as the ________.

H₂SeO₄ is called selenic acid.

Predict the empirical formula of the ionic compound that forms from magnesium and oxygen.

The correct name for K₂S is ________.

What is the molecular formula for 1-propanol?

The element lithium is in a group known as the _______.

Which formula/name pair is incorrect?

Which pair of elements below should be the most similar in chemical properties?

In the symbol below, x = ________. O

Which atom has the largest number of neutrons?

Elements in Group 6A are known as the ________.

The correct name for H₂CO₃ is ________.

Of the following, the smallest and lightest subatomic particle is the ________.

What is the molecular formula for pentane?

In the symbol shown below, x = ________. C

Calcium forms an ion with a charge of ________.