An element with the atomic number of 13 and mass number of 27 has how many neutrons?

Ammonia gas occupies a volume of 2,725ml at a pressure of 701 kPa. What volume would it occupy at 101 kPa? a. 18913 ml b. 393 mL c. 2566 ml d. 27.5 mL.

Determine how many moles of Ba (OH) 2 are required to completely neutralize 0.452 mole of HC 2 H 3 O 2.

How do electrons move between atoms to create electricity?

Sebanyak 4,5 mg magnesium hidroksida (Mg (OH) 2) dapat larut dalam 500 ml air. nyatakan kelarutan Mg (OH) 2 dalam mol L-1

Which reaction should be used to convert propene into an alkyl halide? addition condensation elimination substitution

Which organelles are unique to plant cells? chloroplasts mitochondria vacuoles nuclei

An atom that has 13 protons and 15 neutrons is an isotope of the element? How can I count it?

Which element is nuclear fusion least likely to produce? hydrogen, which has an approximate mass of 1 chlorine, which has an approximate mass of 35 argon, which has an approximate mass of 39 silicon, which has an approximate mass of 28 I know the

How deep does the surface current known as the Gulf Stream go A. 3,000 meters B. 3 meters C. 300 meters

What characteristics of a planet determine the strength of its gravitational force on other objects? A. diameter of the planet and its location in space B. the number of moons that the planet has C.