Investigation V: Building With Matter

INVESTIGATION V: BUILDING WITH MATTER

Hot Seat

To conduct or not to conduct? That is the question.NaCl(s)

To conduct or not to conduct? That is the question. H2O(l)

To conduct or not to conduct? That is the question. Al(s)

To conduct or not to conduct? That is the question. C12H22O11(s)

To conduct or not to conduct? That is the question. NaCl(aq)

To conduct or not to conduct? That is the question. SiO2(s)

To conduct or not to conduct? That is the question. C20H42(s)

To conduct or not to conduct? That is the question. C2H6O(l)

To conduct or not to conduct? That is the question. Cu(s)

To conduct or not to conduct? That is the question. CaCl2(aq)

To conduct or not to conduct? That is the question. CuSO4(s)

To conduct or not to conduct? That is the question. MgSO4(aq)

Which of the following will conduct electricity? (You may choose more than one)

A. Solid metalsB. Metal-nonmetal compounds in a

solid stateC. Metal-nonmetal compounds

dissolved in waterD. Non-metal compounds in a solid

stateE. Non-metal compounds dissolved

in water

What is an attraction between atoms that holds them together in space?A bond

Made of metal and non-metal atoms

Ionic Covalent Network

Metallic Molecular Covalent

A gas made of nonmetal atoms



Made entirely of metal atoms



Very hard solids made entirely of nonmetal atoms



Tend to be liquids, gases, or softer solids



Brittle solids



Bendable solids



Softer solids that do not conduct electricity



Conducts electricity when dissolved but not when solid



CH4(g) Methane



Si(s) silicon (computer chips)



NaOH(aq) Sodium Hydroxide



Li(s) Lithium



SiO2(s) Silicon dioxide (sand)



14K gold earrings



What is an atom with a positive or negative charge called?Ion

Group 1 atoms will always (gain / lose) ___ electrons.Lose 1

Group 7 atoms will always (gain / lose) ___ electrons.Gain 1

Group 5 atoms will always (gain / lose) ___ electrons.Gain 3

Group 2 ions will always have a charge of ___+2

Group 17 ions will always have a charge of ___-1

The noble gases are located in group _____ (You may choose more than one answer)

A. 8B. 8AC. 18D. VIIIA

Group VIA ions will always have a charge of ___-2

ATOMS WITH A POSITIVE CHARGE ARE CALLED __________ WHILE ATOMS WITH A NEGATIVE CHARGE ARE CALLED __________

Spelling counts!

Cations

Anions

Noble gases are stable because they…Have a filled valence (outermost)

shell

What is the cation in potassium bromide? Anion in potassium bromide?

Cation K+1Anion Br-1

What is the cation in magnesium fluoride? Anion in magnesium fluoride?

Cation Mg+2Anion F-1

What is the chemical formula for magnesium fluoride?

MgF2

What is the name of this compound? NaFSodium Fluoride

How many valence electrons are in the compound, K2Se

8

Investigation V: Building With Matter

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