Biology |
From inside the book
Results 1-3 of 87
Page 30
... atoms form a molecule by sharing two pairs of valence electrons ; the atoms are joined by a double covalent bond . ( c ) Two hydrogen atoms can be joined to one oxygen atom by covalent bonds to produce a molecule of water . ( d ) Four ...
... atoms form a molecule by sharing two pairs of valence electrons ; the atoms are joined by a double covalent bond . ( c ) Two hydrogen atoms can be joined to one oxygen atom by covalent bonds to produce a molecule of water . ( d ) Four ...
Page 31
... atom , the more strongly it pulls shared electrons toward itself . In a covalent bond between two atoms of the same element , the tug - of - war for common electrons is a standoff ; the two atoms are equally electronegative . A covalent ...
... atom , the more strongly it pulls shared electrons toward itself . In a covalent bond between two atoms of the same element , the tug - of - war for common electrons is a standoff ; the two atoms are equally electronegative . A covalent ...
Page 34
... Atoms ( pp . 22-28 ) 1. An atom is the smallest unit of an element retaining the physical and chemical properties of that element . 2. An atom consists of three types of subatomic particles . Uncharged neutrons and positively charged ...
... Atoms ( pp . 22-28 ) 1. An atom is the smallest unit of an element retaining the physical and chemical properties of that element . 2. An atom consists of three types of subatomic particles . Uncharged neutrons and positively charged ...
Contents
Themes in the Study of Life | 1 |
UNIT ONE The Chemistry of Life | 15 |
Atoms Molecules and Chemical Bonds | 20 |
Copyright | |
82 other sections not shown
Other editions - View all
Common terms and phrases
active adaptive algae allele amino acids animals asexual atoms bacteria biology called Calvin cycle carbon cell walls cellular Chapter chemical chlorophyll chloroplasts chromosome complex covalent cycle cytoplasm diploid disease diversity electron transport chain embryo energy environment enzymes eukaryotic eukaryotic cells evolution evolutionary evolved example fertilization Figure flowers fossil function fungi gametes gametophyte gene pool genetic genome genotype glucose glycolysis haploid human hydrogen bonds inherited ions living meiosis metabolic microscope microtubules minerals mitochondria mitosis molecular mRNA multicellular mutations natural selection nitrogen nucleotide nucleus nutrients occurs organelles organic molecules oxidized oxygen pair pathway phage phenotype phosphate photosynthesis phylum plant cells plasma membrane polypeptide population produce prokaryotes protein protists proton reaction recombinant replication reproduction respiration ribosomes root seed sequence sexual soil solution speciation species sperm strand structure sugar synthesis tion tissue traits vascular vertebrates viruses xylem zygote