Isotopes
Balance this equation
Metals
Phase Change
Most dilute
100

238U92   ... How many neutrons

146

100

__ N2  +  __ H2 ----> __ NH3

1 , 3 , 2

100

Metals form ____ charged ions

positively

100

solid to liquid

melting

100

2 moles/1L  or  2 moles/0.5L

2 moles/1L

200

Protium, Deuterium and Tritium are isotopes of _____

Hydrogen

200

__ AlP + __ CaCO3 ----> __ Al2(CO3)3 + __ Ca3P2

2 , 3 , 1, 1

200

Metals and nonmetals form ____ bonds

Ionic

200

liquid to gas

boiling

200

6 moles/0.25L   or  3 moles/0.4L

3 moles/0.4L

300

Which is heavier:  C-12 or C-13

C-13

300

__ C7H16 + __ O2  ----> __ CO2  +  __ H2O

1 , 11 , 7, 8

300

The "d" section of the periodic table 

Transition metals

300

solid to gas

sublimation

300

12M HCl or 14M H2SO4

12M HCl

400

N-15 has how many neutrons

8

400

__ C8H16 + __ O2 ---> __ CO2 + __ H2O

1, 12, 8 , 8

400

4f metals

Lanthanide

400

gas to liquid

condensation

400

40 g NaOH / 100ml  or  40 g CO2 / 100 ml

40 g CO2 / 100 ml

500

Unstable isotopes are said to be __________

Radioactive

500

__ H2SiCl2 + __ H2O ---> __ H8Si4O4  + __ HCl

4 , 4, 1, 8

500

What does "ductile" mean

Property of a material to stretch without damage

500

gas to solid

Deposition

500

1 g NaCl / 1L  or  .02 moles NaCl / 1L

1 g NaCl / 1L

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