Chemistry Practice Questions - Page 1581

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• 8. 2(nh₄)₃po₄ n= h= p= o=

• 7. 4al₂(so₄)₃ al= s= o=

• 6. 2pb(no₃)₂ pb= n= o=

• 5. 4mg(oh)₂ mg= o= h=

• genius tip! to remember chemical formulas of nitrites, nitrates, and ammonium, count the number of _...

• 10. what is the isotope notation for a nucleus with 1 proton and 2 neutrons? a: mass #? x: symbol? z...

• 2. what is the isotope name for a nucleus with 10 protons and 27 nucleons? 3. what is the isotope no...

• 6. make a rule: if you knew the number of valence electrons in a nonmetal atom, how would you determ...

• how do the atomic mass and atomic number compare for helium?\nhelium does not have an atomic number....

• what differs between a radioactive isotope and a stable isotope of the same element?\nradioactive is...

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