Which of the three major subatomic particles has/have a mass of approximately 1 amu?

Which of the following is not what John Dalton stated in his atomic theory?

The density of copper is 8.92 g/mL. What is the mass of a piece of copper that has a volume of 10.7 mL?

Which of the three major subatomic particles has/have a mass of approximately 1 amu?

Calculate the volume of a cube (in cm3) with the dimensions: length = 2.3 cm, width = 0.44 dm, height = 0.29 dm V = l x w x h

Round 23456 to four significant figures.

What is the correct answer to the following expression: (53 + 63) x 0.17051? Carry out the addition operation first.

Which of the following is not what John Dalton stated in his atomic theory?

Perform the following calculation and answer to the correct number of significant figures:

What is the correct answer to the following expression: (53 + 63) x 0.17051? Carry out the addition operation first.