chantallelodge
chantallelodge
13-11-2022
Mathematics
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The total mass of the protons in an atom of gold-198 is approximately (1) 79 atomic mass units (2) 119 atomic mass units (3) 198 atomic mass units (4) 277 atomi
In which 0.01 M solution is phenolphthalein pink? (1) CH3OH(aq) (3) CH3COOH(aq) (2) Ca(OH)2(aq) (4) HNO3(aq)
Which pair of symbols represents a metalloid and a noble gas?(1) Si and Bi (3) Ge and Te (2) As and Ar (4) Ne and Xe
what is the name of the process where animal cells break down sugar?
Maria walked 3 km west and 4 km south . calculate how far she is from her starting point.
Which element is classified as a noble gas at STP?(1) hydrogen (3) neon(2) oxygen (4) nitrogen
U.S. President for most of WW II
Which compound is soluble in water?(1) PbS (3) Na2S(2) BaS (4) Fe2S3
how do u simplify this expression 6-7n-2n-8
A circle has a radius of 9 ft. What is the approximate area of the circle? Use 3.14 to approximate pi. Write the answer to the nearest hundredth.
