Number of Protons
Number of
Neutrons
Atomic
Number
Mass
Number
Element
(symbol)
А
7
B
15
С
E
26
56
F
Using the periodic table, complete the table to describe each atom. Type in your answers.
А
B
С
D
E
F

Astudent made the lewis dot diagram of a compound shown. what is the error in the lewis dot diagram? a)an o atom should transfer all of its six electrons to mg because the formula is mgo b) both electrons of mg should be transferred to one o adam because the formula is mgo c) the electrons should be transferred from each o add him to capital mg because mg has fewer electrons d) the number of dots around mg should be four because it has to transfer two electrons to each o

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.

How many moles are in 43.9 l of oxygen