Exam 2: Atoms, Molecules, and Ions

Define allotrope.

When a beam of alpha particles passes between two electrically charged plates, the beam is deflected toward the positive plate.

How many atoms are in one molecule of CaCl₂?

How many electrons, protons, and neutrons are in a neutral atom of the following isotope of krypton?

Give the formula of iron(II)phosphate.

Name the following compound: Cl₂O₇.

Name the following binary compound: FeS.

What is the total number of atomic particles (protons, neutrons, and electrons)in an atom of ¹⁸F?

A molecule of antifreeze, ethylene glycol, has the formula C₂H₄(OH)₂. How many atoms are there in one molecule of antifreeze?

Which of the following is the formula for hydrobromic acid?

The scientist who determined the magnitude of the electric charge of the electron was

The correct name for NH₄NO₃ is

What are the three types of radiation produced by the decay of substances like uranium?

How many protons and electrons are present in one Br^- ion?

Write the formula for the acid formed from the fluoride anion, and then name the acid.

How many atoms are in one molecule of C₆H₁₂O₆?

Give the formula of nitric acid.

What are isotopes?

Use the following to answer questions -Use the periodic table above to show where the metals are located.

The number of neutrons in all atoms of an element is the same.