Potassium-40 (40k) is a radioactive isotope of potassium (atomic number 19). how many neutrons are located in the nucleus of potassium-40?

Is the compound Ba (NO3) 2 covalent or ionic

A house cat with a mass of 3.0 kg runs at a constant rate of 4.0 m/s in a straight line. What is the momentum of the cat?

What is the absolute magnitude of the rate of change for [NH3) if the rate of change for [H] is 2.00 M/s in the reaction 2 NH3 (g) - N2 (g) + 3 H2 (g) ?

Gatekeeping means that more variety and opinions are seen in the mass media true or false

Atoms of different elements can combine chemically to form compounds. Which of the following elements would be most likely to form a compound bound tightly together with covalent bonding? A.

How many moles of CO will be produced, if 32.5grams of H2O are produced? C6H6S+6O2=>6CO+3H2O+SO3

Identify and briefly describe two ecosystems in your community that are beyond schoolyard

Is N2H2 a ionic compound?

What do Lewis dot structures show?

300 grams of a compound which contains only carbon, hydrogen and oxygen is analyzed and found to contain the exact same percentage of carbon as it has oxygen. The percentage of hydrogen is known to be 5.98823%.