The mass of a proton is 1.67 × 10-27 kg. What is the mass of a proton in nanograms?
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The atom is the fundamental building block of everything we…
The atom is the fundamental building block of everything we hear, feel, see, and experience.
The mass of a single arsenic atom is 1.244 × 10-22 g. This i…
The mass of a single arsenic atom is 1.244 × 10-22 g. This is the same mass as
Ernest Rutherford proved the existence of electrons.
Ernest Rutherford proved the existence of electrons.
When an atom gains an electron, the resulting particle is ca…
When an atom gains an electron, the resulting particle is called
Classify the following elements as metals, metalloids, or no…
Classify the following elements as metals, metalloids, or nonmetals.
Protons and neutrons have similar masses and similar electri…
Protons and neutrons have similar masses and similar electrical charges.
State the number of significant figures in each of the follo…
State the number of significant figures in each of the following measurements.75.00 m
Correctly expresses 52,030.2 m in scientific notation?
Correctly expresses 52,030.2 m in scientific notation?
Social benefits and costs are borne by consumers + producers…
Social benefits and costs are borne by consumers + producers + [s5p].