According to dalton, if 2 grams of element xcombine with 4 grams of element yto form compound xy, how many grams of element xwould combine with 28 grams of element yto form the same compound?

What element is named after a mythological sower of dragon's teeth?

Which bond or interaction would be difficult to disrupt when compounds are put into water? which bond or interaction would be difficult to disrupt when compounds are put into water?

The atomic radius of metal X is 125 picometers (pm) and a crystal of metal X has a unit cell that is face-centered cubic. Calculate the density of metal X (atomic weight = 42.3 g/mol).

Select the correct answer. Which statement is part of the kinetic molecular theory? A. Gas particles are in constant motion. B. Gas particles attract each other. C. Gas particles lose their energy during collisions. D.

A carbohydrate with 6 Carbons and a aldehyde fictional group is called an

Model describe how you would show j. j. thomson's model of the atom using small beads and clay

Switching one substance for another is called ... ? a) displacement b) synthesis c) decomposition d) oxidation

C2h4 + O2 - CO2 + H2O If we start with 20 grams of CH4, how many moles of CO2 will form?

How does chemical energy relate to the atom and how can we use it?

A positively charged atom is known as a cation. A cation will? ... A) have more protons B) have to same number of protons and electrons. C) Be the same as a neutral atom. D) have more electrons.