Biology, 07.07.2019 11:40, AT3P

1) a lithium atom has 3 protons, 3 neutrons, and 3 electrons. which of the following sets of particles represents and (+1) ion of this atom? a)3 protons, 4 neutrons, and 3 electrons b)3 protons, 3 neutrons, and 2 electrons c)3 protons, 4 neutrons, and 4 electrons 2)which of the following scientists stated electrons travel around the nucleus like planets around the sun (planetary model)? a) john dalton b)ernest rutherford c)jj thomson 3) in thomson's "plum pudding model" of the atom , the plums represent a)atoms b)neutrons c)electrons

Answers: 1

Show answers

Other questions on the subject: Biology

Biology, 21.06.2019 14:30, noahdavis58

Apart of the periodic table is shown. a portion of the sixteenth and seventeenth columns of the periodic table is shown. column 16 reads eight oxygen, 16 sulfur, and 34 selenium. column 17 reads nine flourine, 17 chlorine, and 35 bromine. which of the following elements is less reactive than the others? bromine (br) oxygen (o) selenium (se) sulfur (s)

Answers: 2

continue

Biology, 21.06.2019 21:20, zay65307

Atypical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 5.000 nm thick. (a) what is the volume of the cell including the membrane? (b) what is the volume of the cell membrane? (c) what percent of the total volume does its membrane occupy? to simplify the calculations, model the cell as a sphere. enter your answers using four significant figures.

Answers: 3

continue

Biology, 22.06.2019 07:30, queenjade582

Answer ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.

Answers: 2

continue

Biology, 22.06.2019 13:30, derpoofoofderp

The earths core is made up mainly of what 2 substances? 2. like an egg, earth has a core, a layer surrounding the core, and a thin, hard outer layer. which layers of the earth match the layers of an egg?

Answers: 1

continue

Do you know the correct answer?

1) a lithium atom has 3 protons, 3 neutrons, and 3 electrons. which of the following sets of particl...