Structure of Matter

Introduction

100

True or False: Bonds can stretch but cannot rotate or bend

FALSE

200

Why chemical bonds form

so EACH atom becomes more stable

300

Name for arrangements of atoms in a substance 

Hint: models of atoms

Chemical structure

400

Type of chemical structure

Line formula

500

Difference between Lewis structure and structural formula?

Lewis shows electrons

Chemical Bonds

100

Which is strongest type of bond:

single

double

triple

TRIPLE

200

Type of bond that forms between metal + nonmetal

IONIC

300

Type of bond that forms when electrons are transferred

IONIC

400

Type of bond that forms when electrons are shared EQUALLY

Nonpolar covalent

500

Number of electrons in a single vs. double vs. triple bond

2 / 4 / 6

Naming

100

NO₂ has _____ oxygen atoms

2

200

SF₆ is (ionic or covalent)

COVALENT

300

(Ionic - or - covalent) compounds use prefixes when naming the compound

COVALENT

400

Formula for beryllium oxide

Beryllium = Be²⁺

Oxygen = O^2-

BeO

500

Name: C₂F₂

Dicarbon difluoride

Organic Chem

100

Organic means....?

Natural (acceptable)

Carbon-based (better)

200

Carbon and hydrogen are bonded with a covalent bond - what is the name of this compound?

There are 2 possibly correct answers! GUESS ONLY 1

Organic / hydrocarbon

300

What is this type of organic compound called?

alkYne

400

Difference among an alkane vs. alkene vs. alkyne

Alkane = single bond

Alkene = double

Alkyne = triple

500

The monomer for proteins is

Amino acids

Random

100

Cations are _______ charged atoms (ions)

POSITIVELY

200

The prefix "di" stands for

TWO

300

Which is / are polyatomic ion(s)?

Na

SO₄^2-

H⁺

NO₃^-

SO₄^2-

NO₃-

400

Formula for dinitrogen trisulfide

Nitrogen = N³⁺

Sulfur = S^2-

N₂S₃

500

Name: CaCl₂

Calcium chloride

Random 2

100

True or False: Monomers are LARGER than polymers

FALSE

200

What is shared in a chemical bond?

ELECTRONS

300

Polymer made of nucleotides that creates a twisting double helix? 

Hint: carries our genetic information

DNA (nucleic acids)

400

Type of chemical structure:

Space-filling model

500

Formula for aluminum fluoride? 

Aluminum = Al⁺³       

Chloride = Cl^–1

AlCl₃