What is 825640 in scientific notation

Which element will gain only one electron during a chemical reaction?

Phosphorus has three electrons in its 3p sublevel and sulfur has four. Phosphorus should have the lower ionization energy but it does not, sulfur does. Why? A.

The concentration of ag + in a solution saturated with ag2c2o4 (s) is 1.7 * 10-4 m. calculate ksp for ag2c2o4.

If the water table is not too deep, how do plants tap into it? Plant's roots can take up water by capillary action. Plant's stem can pull in water by osmosis. Plant's tendrils can pull up water through transpiration.

Table C: Known Specific Heat Values for Common Materials Material Specific Heat (J/g*C) Water 4.18 Concrete 0.88 Wood 1.80 Aluminum 0.90 Glass 0.84 Sand 0.83 Steel 0.49 Iron 0.44 Copper 0.38 Lead 0.16 Gold 0.13 What is the best insulator? and why

How can we predict how the moon will change appearance from day to day?

When is the Sun directly overhead in the continental United States? A. always B. in the summer C. never D. at noon

Predict whether or not a precipitate forms upon mixing 175.0 ml of a 0.0055 mkcl solution with 145.0 ml of a 0.0015 m agno3 solution. identify the precipitate, if any.

The nucleus of one boron atom has 5 protons and 4 neutrons wjat is the total number of electrons in a boron atom

Pure sodium metal explodes when it makes contact with water, and chlorine, in its natural state, is a deadly, poisonous gas. When these two chemicals combine, they form a harmless, white powder known as sodium chloride or table salt.