Straighterline A&P 1 questions and answers

matter CORRECT ANSWERS: anything that occupies space and has mass mass CORRECT ANSWERS: the amount of the matter in an object weight CORRECT ANSWERS: the gravitational force on an object giving it mass element CORRECT ANSWERS: simplest type of matter atoms CORRECT ANSWERS: smallest unit of ordinary matter The four most abundant elements in the body: Oxygen CORRECT ANSWERS: 65% The four most abundant elements in the body: Carbon CORRECT ANSWERS: 18.5% The four most abundant elements in the body: Hydrogen CORRECT ANSWERS: 9.5% The four most abundant elements in the body: Nitrogen CORRECT ANSWERS: 3.3% proton CORRECT ANSWERS: Positive, nucleus, (1. x 10^-27) kilo Neutron CORRECT ANSWERS: no charge, nucleus, (1.67495 x 10^22) kilo Electron CORRECT ANSWERS: negative, outside of the nucleus, (9. x 10^-31) kilo atomic number CORRECT ANSWERS: equal to numbers of protons, which is also the same number of electrons in each atom mass number CORRECT ANSWERS: the number of the element is the number of protons and neutrons in each atom (p+n) Isotope CORRECT ANSWERS: 2 or more forms of the same element that have the same number of protons and electrons but a different number of neutrons (same p&e ; diff n) atomic mass CORRECT ANSWERS: average mass of its naturally occurring isotopes, taking into account the relative abundance of each isotope Avogadro's number(mole CORRECT ANSWERS: 6.022 x 10^23 Differences between ionic & covalent bonds: