Observe: Turn on Show element symbol and Element notation. Three numbers surround the element symbol: the mass number (A), electrical charge (no number is displayed if the atom is neutral), and the atomic number (Z).
Investigate: Watch how the numbers change as you add or remove particles.
Observe: Turn on Show element symbol and Element notation. Three numbers surround the element symbol: the mass number (A), electrical charge (no number is displayed if the atom is neutral), and the atomic number (Z).
Investigate: Watch how the numbers change as you add or remove particles.
Which number is equal to the number of protons in the atom?
How can you calculate the number of neutrons (N) in an atom?
Which particle (proton, neutron, or electron) has a
Positive charge?
Negative charge?
No charge at all?
Answers: 3
Biology, 21.06.2019 16:40, suzzi95
Which of the following is a cause of a dna mutation? o a. the linking of amino acid subunits into a long chain o b. the transcription of dna into rna o c. an error in the repair of damaged dna d. the diffusion of molecules across the cell membrane submit
Answers: 1
Biology, 22.06.2019 05:00, jessewilkerson2312
Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.
Answers: 2
Observe: Turn on Show element symbol and Element notation. Three numbers surround the element symbol...
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