Balance the following equation. Choose "blank" if no coefficient other than 1 is needed.

Choose Pb + Choose AgNO 3 Choose Pb (NO 3) 2 + Choose Ag

What is the Noble gas notation for mercury (Hg) ?.

Graduated cylinders and pipettes are not particularly accurate nor are your measurements precise. Explain how this affects the reliability of your data (i. e. the observed density of water)

Though there are many solids taking face-centered cubic unit cell, the number of solids adopting body-centered cubic unit cell decreases significantly and the number of solid adopting primitive cubic unit cell is even smaller.

Which statement correctly describes an electrode in a voltaic cell of copper and hydrogen? Copper atoms become copper ions at the anode because the SRP is more positive.

The substance doing the dissolving is the

2. Why are stain used when preparing observing cells under the

Based on periodic trends of electronegativity, what statement regarding the halogens is MOST accurate? A) Flourine has the lowest electronegativity. Eliminate B) Iodine has the strongest tendency to attract electrons.

The masses of reactants is always greater than the masses of the products in a chemical reaction, because the products are combined together. TRUE FALSE

Which is a characteristic of a solution1. its particles scatter light2. ita particles are evenly distributed 3. its particles settle out 4. it has large suspended particles

Why might the increase of noise in natural areas be a problem, according to scientists studying wildlife? Support your answer with at least two details from the text.