LDDs
Properties
Names
Formulas
Shapes
100

Draw the LDD for HCl.

H-Cl

100

T or F: Covalent compounds have high melting and boiling points

False

100

CO2

carbon dioxide

100

dihydrogen monoxide

H2O

100

What is the shape of an O molecule?

linear

200

Draw the LDD for H2O

H-O-H with 2 pairs of VE around O

200

The three types of bonds covalent compounds can form 

single, double, triple


200

SiH4

silicon tetrahydride

200

hydrogen bromide

HBr

200

What is the shape of a water molecule?

bent

300

Draw the LDD for PF3

F-P-F 

   l

   F

300

The more bonds, the _________ the elements are pulled together

stronger or closer

300

H2S

dihydrogen sulfide

300

tetracarbon octahydride

C4H8

300

What is the shape of CCl4 molecule?

tetrahedral

400

Draw the LDD for carbon tetrabromide

        Br

Br     C       Br

        Br

400

T or F: covalent compounds conduct electricity when melted

False

400

P2O5

diphosphorus pentaoxide

400

dinitrogen tetraoxide

N2O4

400

What is the shape of a PBr3 molecule?

trigonal pyramid

500

Draw the LDD for N2

N- - -N 

500

Covalent compounds can be what state of matter?

solid, liquids or gases

500

Br2C3

dibromine tricarbide

500

carbon monoxide

CO

500

What is the shape of a H2S molecule?

Bent

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