During a chemical reaction atoms can be rearranged or destroyed but not created

True

False

If you have an object that sank, what can you say about the buoyant force compared to the weight of the obect

Which of the following is the densest layer of the solid Earth? atmosphere crust mantle core

Make the following conversions 100 cm to meters

A mass of 1.00*10-4 μkg is the same as

Some windows are made with a single pane of glass. Other windows are made out of two panes that have a tiny pocket of air trapped between them.

As a mercury atom absorbs a photon of energy, an electron in the atom changes from energy level d to energy level e. Determine the energy of the absorbed photon in electronvolts.

During an exothermic reaction, the energy given off comes from atoms being consumed mass being burned into energy the breaking and forming of bonds mass being created

Can electrostatic attract both pull and pull?

Ways that charges can be transferred

A cricketer can throw a ball to a maximum horizontal distance of 100m. How much high above the ground can he throw same ball