What does "X" represent in the following symbol? 
X
A) dysprosium
B) nickel
C) terbium
D) silicon
E) copper
Correct Answer:
Verified
Q56: How many moles of Kr are contained
Q57: What mass (in mg)does 2.63 moles of
Q58: Identify the discovery that Thomson made.
A) a
Q59: Silver has an atomic mass of 107.868
Q60: Identify the charges of the protons,neutrons,and electrons.
A)
Q62: An atom that has an atomic number
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)
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents