SNC2D1 Chemistry - Tsang (Fall 2024)

Matter, Properties, Changes, and the Periodic Table

100

Name an example of a chemical change.

Cooking an egg, burning a wood log, etc...

200

What is the ionic charge of Sulfur?

-2

300

How many protons are in Na²⁺ ?

11

400

How many neutrons does a Potassium (K) atom have?

20

500

Which group on the periodic table has a stable octet of valence electrons?

Group 18

Atoms and Ions

100

How many valence electrons does a Carbon (C) atom have?

4

200

How many electron orbits does a Magesium (Mg) atom have?

3

300

If element X loses 3 electrons, what is its ion charge?

+3

400

Name a cation that is isoelectric with Ar.

Potassium Ion (K⁺) or Calcium Ion (Ca²⁺)

500

Group 1 elements (ie. Na) like to bond with which group of elements?

Group 17 (ie. Cl)

Naming Ionic Compounds

100

What is the name of the compound NaCl?

Sodium Chloride

200

What is the name of the compound LiF?

Lithium Fluoride

300

What is the formula of the compound Magnesium Oxide?

MgO

400

What is the formula of the compound Beryllium Phosphide?

Be₃P₂

500

What is the formula of the compound Calcium Nitride?

Ca₃N₂

Polyatomic Ions

100

What is the name of the compound Na₂(SO₄)?

Sodium Sulfate

200

What is the name of the compound Ca(OH)₂ ?

Calcium Hydroxide

300

What is the name of the compound (NH₄)₂SO₄ ?

Ammonium Sulfate

400

What is the formula of the compound Lithium Chlorate?

Li(ClO₃)

500

What is the formula of the compound Aluminum Nitrite?

AL(NO₂)₃

Molecular Compounds

100

What is an example of a molecular compound?

H₂O , CO₂, etc...

200

What kind of bonds do molecular compounds have?

Covalent Bonds

300

What is the formula for Carbon Monoxide?

CO

400

What is the name of the compound Dinitrogen Tetroxide?

N₂O₄

500

What is the name of the compound Trinitrogen Octabromide?

N₃Br₈