Straighterline Bio Final study guide 2024/2025
Living and nonliving things both are composed of ___ consisting of ___. --✓matter elements
The most important elements found in all organisms
CHNOPS --✓carbon hydrogen nitrogen oxygen phosphorous sulfur
Atomic mass is determined by the _ and _ --✓protons neutrons
Atomic number indicates the --✓number of protons and electrons in electrically neutral atoms
Atoms of a single element that differ in their numbers of neutrons. --✓Isotopes
Ions --✓when atoms have lost or gained electrons and now have 8
Ionic bond --✓attraction between oppositely charged ions
covalent bond --✓shared electrons
electronegativity --✓when one atom exerts greater energy for the shared electron
Solutions in which there are more hydroxide ions than hydrogen ions --✓basic
Solutions in which there are more hydrogen ions than hydroxide ions --✓acidic
Nucleic acids are --✓polymers of nucleotides
Living and nonliving things both are composed of ___ consisting of ___. --✓matter elements
The most important elements found in all organisms
CHNOPS --✓carbon hydrogen nitrogen oxygen phosphorous sulfur
Atomic mass is determined by the _ and _ --✓protons neutrons
Atomic number indicates the --✓number of protons and electrons in electrically neutral atoms
Atoms of a single element that differ in their numbers of neutrons. --✓Isotopes
Ions --✓when atoms have lost or gained electrons and now have 8
Ionic bond --✓attraction between oppositely charged ions
covalent bond --✓shared electrons
electronegativity --✓when one atom exerts greater energy for the shared electron
Solutions in which there are more hydroxide ions than hydrogen ions --✓basic
Solutions in which there are more hydrogen ions than hydroxide ions --✓acidic
Nucleic acids are --✓polymers of nucleotides
