Scientists use their data to make charts and

Which of these substances are elements? more than 1 answer 1. silicon 2. lead 3. silicone 4. water 5. iodine 6. quartz

The energy needed to melt 1 g of a substance is called the

What type of bonding in solid potassium

When the surface water temperature is still well below the water boiling temperature, some bubbles at the bottom tend to float up but somehow the bubbles seem to disappear before reaching the surface.

What would you be most likely to measure by immersing an object in water and seeing how much the water level rises

How does an individual figure the total force exerted on an object by two forces acting in opposite directions? A. Add the two forces together. B. Subtract the smaller force from the larger force. C. Multiply the larger force by the smaller force. D.

What reaction is a match burning

Determine the number of moles of hydrogen atoms when you are given 2 moles of water.

35.5 moles of lithium fluoride is dissolved in 65 L of solution

Why can some electric appliances be immersed in water without damage