Which suffix means tumor or mass?
Which combining form means nose?
Which combining form means nose?
Which of the following body cavities is a dorsal cavity?
Which of the following body cavities is a dorsal cavity?
Which of the following cavities is not a ventral cavity?
Which of the following cavities is not a ventral cavity?
Which of the following suffixes means enlarged?
Which of the following suffixes means enlarged?
Which plane is the only horizontal plane?
Which plane is the only horizontal plane?
The atomic mass of an element is equal to ________.
The atomic mass of an element is equal to ________.
Atoms of different elements have always different number of…
Atoms of different elements have always different number of in their nuclei.
Consider neutral atom which has 30 protons and 34 neutrons….
Consider neutral atom which has 30 protons and 34 neutrons. The atomic number of the element is . The mass number for this atom is . The number of electron is . The symbol of element is , and its name is .
Nitrogen has two stable isotopes: N-14 and N-15. Atomic mass…
Nitrogen has two stable isotopes: N-14 and N-15. Atomic mass of nitrogen is 14.007 amu. How many neutrons are in nucleus of more abundant isotope of nitrogen?