Identify the number of neutrons in an atom having a mass number of 18 and an atomic number of 22.

Are these two substances the same 1.96g/ml and 2.00g/ml

How much mass does 0.1 mole of neon contain

What part of the atom did rutherford discover?

Consider this row in the periodic table of elements. As we move from left to right, across the row, the elements ... A) change from nonmetals to metals. B) change from metals to nonmetals. C) start as gases but end as solids.

Cladistics is a way to separate animals into new species. t or f

Who created the periodic table and in what year?

Why is uranium 235 the most commonly used isotope for nuclear fission in current uses in nuclear power generation?

Based upon the pH scale, a vegetable with a pH of 5.3 would be

How many grams of Cl are in 535 g of CaCl2?

2. An object experiences an acceleration, g, when it is on the surface of a planet of radius R. What will be the acceleration on the object after it has been moved to a distance of 4R from the center of the planet? A) 168 B) 48 C) 1/4 g D) 1/16 g