2nd Edition
Subatomic particle carrying a negative charge -
ANSWER .......- Electron
Number of electrons in the outermost shell of an
atom with 15 electrons -ANSWER .......- 5
Innermost shell of an atom -ANSWER .......- Holds
2 electrons
Electrically neutral atom with atomic number 8 and
mass number 17 has -ANSWER .......- 8 protons
What predicts the element to which an atom
belongs? -ANSWER .......- Total number of
protons
Four most common elements comprising 96% of the
body's mass -ANSWER .......- Oxygen, nitrogen,
hydrogen, carbon
Atom of iron with atomic number 26 -ANSWER
.......- Iron has 26 protons
, Atomic number represents the number of -ANSWER
.......- Protons in an atom
Contributes to the calculation of the mass number -
ANSWER .......- Sum of protons and neutrons
Number of protons in an isotope of nitrogen with
atomic number 7 and mass number 14 -ANSWER
.......- 7
Carbon-13 -ANSWER .......- Isotope of carbon
with a mass number of 13
Solid blood cells settling out of liquid blood plasma -
ANSWER .......- Blood is a suspension
Atoms that satisfy the octet rule -ANSWER .......-
Inert
Inert atom -ANSWER .......- Atom with filled
valence shell
Atom with 3 electrons in its valence shell -ANSWER
.......- Atomic number of 13
Two or more atoms of the same element that are
chemically combined -ANSWER .......- Molecules