Biochemistry: The Chemistry Of Life

the basic unit of matter

(a)  

Tags

NGSS.MS-PS1-1

smallest fragment of matter, which means "unable to be cut"

(a)  

Tags

NGSS.MS-PS1-1

smallest fragment of matter, which means "unable to be cut"

(a)  

Tags

NGSS.MS-PS1-1

the structure in a cell that contains the chromosomes and the center of an atom

(a)  

Tags

NGSS.HS-LS3-1

mass. = about 1 amu

positively charged particles (+)

(a)  

Tags

NGSS.HS-PS1-7

mass. = about 1 amu

no charge at all (neutral)

(a)  

Tags

NGSS.HS-PS1-8

negatively charged particles (-)

in constant motion

around the nucleus

2-8-8 rule

attracted to the positively charged nucleus

(a)  

Tags

NGSS.HS-PS1-1

a pure substance that consists entirely of one type of atoms. more than 100 of this are known. they are represented by one- or two-letter symbols

(a)  

Tags

NGSS.HS-PS1-1

the number of protons in the nucleus of an element, never changes for an element

(a)  

atoms of an element which have different numbers of neutrons. some are radioactive and scientists use them as tools

(a)  

Tags

NGSS.HS-PS1-8