What is the oxidation state of nitrogen in the

compound NH4Br?

(1) - 1 (3) - 3

(2) + 2 (4) + 4

What is Hund's Rule?

What is the stable ion of gallium

Which of the following mass units is the largest? a) 1 cg b) 1 dg c) 1 mg d) 1 ng

What is the potential energy per unit charge

a steel suitable for making nails is melleable and ductile. what can you infer about the probable carbon content of the steel.

Does the arrangement of particles stay the same from one state to another?

Which of the following are true about a block of ice at - 10 degrees Celsius as you continue to apply heat. The temp will rise continuously until it completely melts. It's temp will rise until reaching 0 degree Celsius.

What trend does the first ionization energy follow, going down the periodic table?

Classify the following reactions: HNO3 (aq) + NH3 (aq) →NH4NO3 (aq) + H2O (l) 2Cu (s) + O2 (g) →2CuO (s) NaCl (aq) + AgNO3 (aq) →NaNO3 (aq) + AgCl (s) 2LiOH (aq) + H2SO4 (aq) →Li2SO4 (aq) + 2H2O (l) CaCl2 (aq) + K2CO3 (aq) →2KCl (aq) + CaCO3 (s)

2 unicellular no autotrophic It uses a flagellum. A. Kingdom animalia B. kingdom fungi C. kingdom plantae D. kingdom protista