What is the chemical symbol for thallium?
A) Ti
B) Tl
C) Tm
D) Th
E) Tr
Correct Answer:
Verified
Q63: Identify an anion.
A) an atom that has
Q64: How many protons are in nickel?
A) 28
B)
Q65: Which element has the chemical symbol,Sn?
A) samarium
B)
Q66: An atom of 25Mg contains _ electrons.
A)
Q67: Identify a cation.
A) an atom that has
Q69: How many electrons does the Se2- ion
Q70: How many protons does the As3- ion
Q71: How many electrons are in each neutral
Q72: How many protons (p)and neutrons (n)are in
Q73: Isotopes differ in the number of
A) gamma
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