peanutswift4640 peanutswift4640
  • 12-11-2017
  • Chemistry
contestada

The atomic number of f and the atomic number of na equals the atomic number of this element-what is its name?

Respuesta :

Loveha Loveha
  • 12-11-2017
Calcium=Ca=Atomic number 20 9+11=20
Answer Link

Otras preguntas

2) Honi is looking at a map with a scale of 1 4 in. = 20 miles. She measured the distance from Niceville to Live Oak as 2.5 in. She found the actual distanc
The results from research have been known to produce harms to members of the sampled population who do not actually participate in the research study. An exampl
In Pavlov's original studies, salivation to meat was a(n) ____, and salivation to a bell was a(n) ____
A professor thinks students who live on campus are more likely to get As in the probability course. To check this theory, the professor combines the data from t
Solve the addition graphing ig.
Genetic screening is a procedure where a person is a procedure where a person's DNA is analyzed to identify a genetic predisposition to lethal diseases. One ad
A Criminal Investigators ______________________________ represents the final product of his or her investigation efforts.
find 3 points that solve the equation x-4y=-18
A point charge q = +4.50 nC moves through a potential difference ΔV = Vf − Vi = +27.0 V. What is the change in the electric potential energy? ΔUE = _ nJ
solve the system[tex]3x + 7y = 4\\\\x = -6y + 5[/tex]