INVESTIGATION V: BUILDING WITH MATTER Hot Seat. To conduct or not to conduct? That is the question. NaCl(s)

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Presentation transcript:

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. H 2 O(l)

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

To conduct or not to conduct? That is the question. C 12 H 22 O 11 (s)

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

To conduct or not to conduct? That is the question. SiO 2 (s)

To conduct or not to conduct? That is the question. C 20 H 42 (s)

To conduct or not to conduct? That is the question. C 2 H 6 O(l)

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

To conduct or not to conduct? That is the question. CaCl 2 (aq)

To conduct or not to conduct? That is the question. CuSO 4 (s)

To conduct or not to conduct? That is the question. MgSO 4 (aq)

Which of the following will conduct electricity? (You may choose more than one) A. Solid metals B. Metal-nonmetal compounds in a solid state C. Metal-nonmetal compounds dissolved in water D. Non-metal compounds in a solid state E. 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

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

CH 4 (g) Methane

Si(s) silicon (computer chips)

NaOH(aq) Sodium Hydroxide

Li(s) Lithium

SiO 2 (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 ___

The noble gases are located in group _____ (You may choose more than one answer) A. 8 B. 8A C. 18 D. 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!

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+1 Anion Br-1

What is the cation in magnesium fluoride? Anion in magnesium fluoride? Cation Mg+2 Anion F-1

What is the chemical formula for magnesium fluoride? MgF 2

What is the name of this compound? NaF Sodium Fluoride

How many valence electrons are in the compound, K 2 Se 8