Sodium (NA) and potassium (K) are in the same group in the periodic table. Sodium is in the 11th position. How many valence electrons does potassium have? A) 0 B) 1 C) 9 D) 11

What types of substances would definitely be good conductors? Hydrogen would be a good conductor because of hydrogen bonding. Ionic substances would be good conductors since they dissolve in water and form ions.

How would making bigger the population of a coyote affect the population of both rabbits and grasses

On the periodic table, why is Osmium most dense?

How much heat do you need to raise the temperature of 150 g of ice from - 30°C to - 15°c?

How is weathering related to the geologic cycle

Which organism is responsible for cleanup in this ecosystem? coyote vulture prairie dog grasshopper or prairie grass

What would happen if you tried to sqeeze a gas into a smaller container?

Paint, paint thinners and some cleaning agents can weaken the shell of a hard hat and may eliminate

A 10 chunk of metal has a specific heat of 0.25 J/g ºC. The temperature is changed from 10ºC to 45ºC. How much heat is required?

In this reaction what is the correct coefficient for sodium chloride? pb (no3) 2? nacl → pbcl2? nano3