1. The element 108/47 Ag has how many protons?

A. 108

B. 47

C. 61

D. 107

E. 87

2. The element 238/92 U has how many neutrons?

A. 330

B. 238

C. 184

D. 146

E. 92

The largest number from among the following is: 1.80 x 10-6 1.80 x 10-4 1.80 x 10-8 1.80 x 10-2

A calorimeter was used to measure the heat change when an ionic compound dissolves in water. The final mass of the contents of the calorimeter was 50.89 g and the change in temperature was 1.80 degree C.

Which best describe earths magnetic field

C6H8 + O2 = CO2 + H2O

How can you write Mg (OH) 2 in subscripts

Compare the temperature of water as ice begins to form with the temperature of ice as it begins to melt?

Which elements are present in sugars?

How does Q compare to Keg? O Q> Keq O Q< Kea OQ = Keg

What is the mass (in grams) of 9.09x10^24 molecules of methanol (CH3OH) ? AND How many moles of N are in 0.183g of N2O?

What are the basic building blocks of matter? A) molecules B) atoms C) electrons D) compounds