How do numbers differ from measurements

A sample of metal has a mass of 21.75g and a volume of 6.60mL. What is the density of this metal g/cm^3

The discoverer of the electron was: Faraday Thomson Henry Millikan

The width of a football field is 160 ft. How many meters is this?

In which type of bond is an electron transferred from one atom to another? Select one: a. Covalent b. None of the answer choices c. Metallic d. Ionic

How to identify the number of protons neutrons and electrons and mass number?

After Pangaea broke up, North America became part of what?

What the different betwen observe and reference

How many moles are in 12.5 g of H2O

How do the atomic number and the number of protons relate to one another? The atomic number tells us the number of protons The atomic number is protons + neutrons They do not Electron Cloud

Check my work? 150 g of an unknown liquid is heated with 24,975 kJ of heat to form 0°C to 75°C. Identify the unknown liquid. Substance C (J/g-°C) Water (ice) 2.05 Ammonia (liquid) 4.70 Ethanol 2.44 Gasoline 2.22 Water (liquid) 4.18 Water (vapour) 2.