Hydrogen has 3 isotopes 1 H 2 H and 3 H. What is the difference between these 3 isotopes

In a certain chemical reactions 9.11g of compounds A is add to 8.82g of compounds B once the reaction is complete 1.38 g of compounds A and 1.61 g of compounds B remain what mass of product was produced

Match the element of fiction with its definition. 1. Plot 2. Setting 3. Conflict 4. Character 5. Theme Answer A. Acts to overcome obstacles B. Builds the tension between or within characters C. Establishes an order of events D.

You weigh three samples of the same metal, and find their masses to be 41.40 g, 37.22 g, and 43.46 g. the corresponding volumes are 4.5 ml, 4.3 ml, and 4.8 ml. what is the density, d, of the metal?

Which of the following is a measure of the average kinetic energy of the particles in a substance? A. Latent heat B. Specific heat capacity C. Temperature D. Thermal energy

What do elements in the same group have? the same atomic mass the same number of electron shells similar properties similar atomic numbers

If the amount of atoms of each type on the left and right sides of a reaction differ, what must be done to balance it? A. It should be left alone B. Coefficients are placed in front of the reactants and/or products C.

All metals a melt at high temperatures b conduct heat and electricity c contain iron d react with air and water

Predict the following chemical formula for a compound between calcium and chlorine.

Two pieces of silk have an electric charge after being rubbed on a piece of amber. What will happen when the two silk pieces are brought close together? A. They will repel one another. B. They will attract one another. C.

The chemicals formula of glucose is c6h12o6. what are the names of the elements in glucose and how many atoms of each element are present in glucose molecules