The sun produces energy by the process of nuclear

Fission

Fusion

Which definition is correct? a physical change creates a new substance because bonds are broken or formed a chemical change occurs when the substance remains the same but the shape, or other physical characteristics change a physical change can

Which element is likely to be the best conductor of electricity? copper lithium iodine silicon

The flame test for sodium is based on the intense yelloworange emission at 589 nm; the test for potassium is based on its emission at 404 nm.

According to the trend shown by the graph, what volume of water would you expect after 35 seconds of dripping?

What is the average mass of a single chlorine molecule, Cl2?

Ten apples take away eight apples how many apples are left

Draw the structure of the bromohydrin formed when (e) - 3-methyl-3-hexene reacts with br2/h2o.

Which of the following solutions has the greater buffer capacity: (a) 100 mL of 0.30M HNO2 - 0.30 M NaNO2 or (b) 100 mL of 0.10 M HNO2 - 0.10 M NaNO2?

What's the reason for the location of sodium in the periodic table

Which U. S. president set the goal of landing an astronaut on the moon before the end the 1960?