An atom of nitrogen has several protons in its nucleus. How many electrons does it have

The ion with 3 + charge 28 electons and a mass number of 71

Why is yeast a dependent variable when you are using it for baking and for the dough to rise.

How to name tenary compounds

guy uses a manual can opener to open a can. which best explains how the can opener makes it easier for guy to open the can?

An is formed when an atom or groups of atoms has a net positive or negative charge

Given 13.5 grams of substance Z, if the substance absorbs 36 kilojoules of energy and the temperature increases by 25 degrees Celsius, what is the specific heat of the substance? 1.07 x 102 J/g·°C 1.22 x 104 J/g·°C 1.07 x 10-1 J/g·°C 1.

DNA is a nucleic acid made of building blocks called nucleotides. Which of the following options make up nucleotides?

A person drinks eight glasses of water each day, if each glass contains 300mL how many liters of water does a person drink in a year?

An organic compound contains C=61%, H=11.8% and O=27.12%. Calculate the empirical formula and molecular formula of the compound. The vapour density of the compound is 59.

Roberto throws a tennis ball to a friend. He then throws a baseball with the same amount of force. Which ball is accelerated more? Why?