What is the mass number of an atom which is made up of 27 protons,33 neutrons and 27 electrons?
A) 87
B) 60
C) 33
D) 27
B
You might also like to view...
Why should one not stare at the Sun during an eclipse?
A. because Sunspots, which are excited by the eclipse event, can easily erupt during the eclipse B. because coronas and corneas are always a bad mix C. because whether there is an eclipse or not, the Sun's intense radiation can easily damage our eyes D. because the eclipse event itself creates a lensing effect, which greatly magnifies and intensifies the Sun's rays E. because ultraviolet radiation is intensified during the event
Describe three push and three pull factors that have influenced the demographic shift from rural areas to urban areas (2 points for each accurately identified factor).
What will be an ideal response?
Innovative features of Apple's iPhone and iPad operating systems have been adopted by competitors. This is an example of which kind of diffusion?
A) stimulus B) expansion C) contagious D) relocation E) none of the answer choices are correct.
What are dropstones, and what do they indicate? What will be an ideal response?