Which of these parts of the atom is directly involved in chemical changes?

A. electron

B. nucleus

C. neutron

D. proton

How many moles of lithium oxide will form if 1.68 mol of lithium react?

Calculate the percentage yield in each of the following cases: a. theoretical yield is 50.0 g of product; actual yield is 41.9 g ans: 83.8% yield b. theoretical yield is 290 kg of product; actual yield is 270 kg ans: 93% yield

If 7.400 g of C6H6 is burned and the heat produced from the burning is added to 5691 g of water at 21 °C, what is the final temperature of the water?

What is the chemical formula for cadmium sulfide

How many protons and electrons does an ion of S2 - have?

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda