S1 Final Review

Vocabulary

100

When an atom loses an electron, it forms a(n)

What is a cation?

200

The starting ingredients of a chemical reaction.

What are reactants?

300

A chemical bond that forms when atoms share electrons.

What is a covalent bond?

400

Why do equations need to be balanced?

matter can't be created or destroyed, so reactants' mass has to = product's mass

500

Differentiate between ionic and covalent bonding?  Details!

Ionic- transfer of electrons; between metal & nonmetal

Covalent- sharing of electrons; only nonmetals

Naming

100

Name the compound Na₃PO₄

sodium phosphate

200

The compound with the formula SiCl₄ is

What is silicon tetrachloride?>

300

The compound with the formula FeSO₃ is.

Iron(II) sulfite

400

Write the name for HgSO₄

What is mercury (II) Sulfate

500

Name Co₃(PO₄)₂

What is cobalt(II) phosphate

Formula writing

100

The charge on a chloride ion in AlCl₃ is

What is -1?

200

The chemical formula for magnesium bromide

MgBr₂

300

The chemical formula for diphosphorus pentoxide.

P₂O₅

400

What is the chemical formula for calcium phosphate

Ca₃(PO₄)₂

500

Would calcium and arsenic react?  Why or why not?  If so, write the chemical formula and name the compound.

Yes, calcium has 2 valence electrons, and As has 5

Ca₃As₂

Calcium arsenide

Types of Reactions

100

When a compound breaks down into two simpler substances.

What is decomposition?

200

Type of reaction that starts with 2 compounds and ends with 2 compounds

What is double replacement reaction?

300

Al (s)  +  O₂(g)   ->   Al₂O₃(s)

What type of reaction?

What is synthesis?

400

What are the products of a combustion reaction?

carbon dioxide and water

500

AlBr₃ + K₂SO₄ -> ______  +  Al₂(SO₄)₃

Classify type of reaction

Determine the missing product's chemical formula

Balance equation

Double Replacement

2AlBr₃ + 3K₂SO₄ -> 6KBr  +  Al₂(SO₄)₃

Chemical Reactions

100

Balance the equation  KClO₃ -> KCl  +  O₂

2KClO₃ -> 2KCl  +  3O₂

200

Hydrogen gas reacts with chlorine gas to produce hydrogen chloride gas

Classify type of reaction

write the balanced, chemical equation

synthesis

H₂   +  Cl₂   --> 2HCl

300

Write the complete, balanced chemical equation

sulfur dioxide reacts with oxygen to produce sulfur trioxide

2SO₂  +  O₂  ->  2SO₃

400

Solutions of copper(II) chloride and sodium hydroxide to produce copper(II) hydroxide and sodium chloride

CuCl₂   + NaOH --> Cu(OH)₂   + NaCl

500

Classify the reaction, and then write the balanced, chemical equation

Lead (II) nitrate reacts with hydrogen chloride to produce lead(II) chloride and HNO₃

Double displacement

Pb(NO₃)₂  + 2HCl  -->PbCl₂ +  2HNO₃