Ions
Isotopes
Covalent Bonding and Naming
Ionic Bonding and Names
Significant Figures and Conversions
100

What type of ion is formed when an atom loses electrons?

What is a cation?

100

 Isotopes of an element have the same number of these particles but different numbers of neutrons.

 What are protons (or atomic number)?

100

Covalent bonds involve the sharing of these subatomic particles.

What are electrons?

100

Do ionic bonds form between atoms that transfer or share electrons.

What is transfer?

100

How many significant figures are in the number 0.00540?

What is three significant figures?

200

This ion forms when an atom gains electrons.

What is an anion?



200

 What is the average atomic mass of vanadium?

 What is 50.94?

200

This prefix is used in naming to indicate two atoms in a covalent compound.

What is di- (as in diatomic)?

200

An ionic bond occurs between these two types of elements.

What is metals and nonmetals?

200

 Identify the number of significant figures in the measurement 1000.0 mL.

What is five significant figures?

300

What is the charge of a chloride ion?

What is -1?

300

This term describes the sum of protons and neutrons in an atom's nucleus.

What is mass number?

300

What is the formal name of N2S3?


Dinitrogen Trisulfide

300

How many electrons are transferred in an ionic bond between lithium and iodine?

What is one electron?

300

How many significant figures does 0.07030 have?

What is 4?

400

How many electrons does a magnesium ion (Mg²⁺) have?

What is 10 electrons?



400

The isotopes carbon-12 and carbon-14 differ in the number of these particles.

What are neutrons?

400

This compound is named carbon trioxide.

What is CO₂?

400

What is the name for the compound MgCl₂. 

 What is magnesium chloride?

400

Answer the following multiplication problem with the correct number of significant figures: 3.25 x 3.777 x 4.2=51.55605 

 What is 52?



500

This ion is formed when a sodium atom loses an electron.

What is a sodium cation (Na⁺)?

500

How many neutrons does strontium-89 have?


 What is 51?

500

Which of the following is the correct name for PCl5 :

Monophosphorus pentachloride, monophosphide pentachloride, phosphorus pentachloride, phosphorus chlorine pentaiodide?

What is phosphorus pentachloride?

500

 This compound forms when strontium and bromine bond ionically.

What is strontium bromide (SrBr2)?

500

Answer the following addition problem with the correct number of significant figures: 320 + 3.0 + 3.22 = 326.22

 What is 330?