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Which subatomic particle(s) make up the space outside the nucleus of the atom?

Determine the number of protons and the number of neutrons in an atom of 118Sn.

Determine the number of electrons in the atom Mg2+

Determine the number of protons and the number of neutrons in an atom of 127I.

Who was the Greek Philosopher that first stated that atoms exist and gave the name “ATOM?”

The number 243.306 rounded off to five significant figures is _____.

How many significant figures are in the number 1.89 × 103?

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

How many significant figures are in the result of the calculation below? (4.321 – 4.21) × (6.9234 × 105)

How many significant figures are in the number 6.002 × 105?