Is fertilizer a mixture compound or element

Which scientist is credited with developing the first scientific atomic theory? a. John Dalton b. Joseph Proust c. Ernest Rutherford d. J. J. Thomson it can't be d because i chose and it was not right answer

A gaseous product has a mass of 2.34 g and occupies a volume of 0.854 L. The temperature in the laboratory is 302 K, and the air pressure is 1.04 atm. Calculate the molar mass of the gas. 22.4 g/mol 44.0 g/mol 65.3 g/mol 86.9 g/mol

Using only the periodic table, rank the elements in each set in order of increasing size: (a) Se, Br, Cl; (b) I, Xe, Ba.

Define the following words: - experiment - variable - independent variable - dependent variable - control variable - purpose

Does salt dissolve easily in water

Divide the difference between one thousand three hundred and nine hundred fifty by 4

Is crashing cans a physical or chemical change? Explain why?

What happens during a mosquito 6 chromosomes to form eggs.

How does the Richter scale best demonstrate the power and the destructive nature of an earthquake?

Atom behaves electrically neutrol. Why?