If an atom has an atomic mass of 16 and it has 8 neutrons what is it's atomic number

What is the volume (in ml) of a 12.9 g piece of metal with a density of 7.25 g/cm3?

How do you know how many valence electrons are in a molecule?

Frozen CO2 or dry ice is different from CO2 gas in the atmosphere because it has a. no mass b. a fixed shape c. a lower density d. no fixed volume

What are families of elements with similar chemical properties called?

What is the oxidation number of manganese in the permanganate ion (mno4 - ) ? a. 3 b. 2 c. 7 d. 2-

A Gran plot for a potentiometric titration resulted in a slope of 5.56 x 105. Measurements were made using SCE as the reference electrode and the analyte Eo was determined to be 0.354 V.

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In which choice is the ellipsis used correctly to select from this sentence from The Scarlet Letter? A throng of bearded men, in sad-coloured garments and grey steeple-crowned hats, inter-mixed with women, some wearing hoods, and others bareheaded,

Explain the difference between the greenhouse effect and global warming.

How does adding salt affect the surface tension of water? if it increases surface tension, will it always increase it?