In the nucleus of an Adam there are 18 protons and 20 neutrons what are the atomic number and mass number of this isotope

What happens when the pressure of a gas is decreased?

Which statement most accurately compares the temperature of the core of the sun to its surface? A) the core is more than a thousand times hotter than the surface B) the surface is more than a thousand times hotter than the core C) the core is more

Formula of sodium carbonate

A sample originally contained 1.28 g of a radioisotope. It now contains 1.12 g of its daughter isotope.

An isotope has the same number of protons and rich other feature

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.