subject
Physics, 02.12.2020 17:10 alcosby

Save Submit
2)
11
Na
22.98977
Consider the element sodium. It's atomic number is
and equals
A)
11; the number of protons
B)
12; the number of neutrons
23; the sum of protons and neutrons
D)
23; the number of electrons

ansver
Answers: 2

Other questions on the subject: Physics

image
Physics, 22.06.2019 00:30, katiebug197
Orange juice has a lower or higher viscosity than chocolate syrup
Answers: 2
image
Physics, 22.06.2019 17:00, jenn8055
In the future, people will only enjoy one sport: electrodisc. in this sport, you gain points when you cause metallic discs hovering on a field to exchange charge. you are an electrodisc player playing the popular four disc variant. the disks have charges of qa = −8.0 µc, qb = −2.0 µc, qc = +5.0 µc, and qd = +12.0 µc. (1) you bring two disks together and then separate them. you measure the resulting charge of these two disks and find that it is +5.0 µc per disk. which two disks did you bring together? (a) a and b (b) a and c (c)a and d (d)b and c(e) b and d (f) c and d. (2) you bring three disks together and then separate them. you measure the resulting charge of these three disks and find that it is +3.0 µc per disk. which three disks did you bring together? a, b, and c (a) a, b, and d (c) a, c, and d (d) b, c, and d. (3) given the resulting charge of each disk measured in (b) is +3.0 µc, how many electrons would you need to add to a disk of this charge to electrically neutralize it? electrons
Answers: 3
image
Physics, 22.06.2019 21:00, estebencampos69
Aflask with vinegar in it has a mass of 160 grams. a balloon with baking soda in it has a mass of 40 grams. the balloon is attached to the flask to seal the opening and the vinegar and baking soda mixes. the balloon inflates to a large volume. what will the total mass of the balloon and flask be after the balloon inflates? explain. a) less than 200 grams because the solid baking soda disappears. b) 200 grams, because all the atoms remain in the balloon or flask. c) more than 200 grams because the size of the balloon is so much larger. d) less than 200 grams because gases such as the one in the balloon are lighter than solids and liquids.
Answers: 1
image
Physics, 22.06.2019 22:30, steven12372
Which is a substance that can be separated by physical means and is not the same throughout
Answers: 2
You know the right answer?
Save Submit
2)
11
Na
22.98977
Consider the element sodium. It's atomi...

Questions in other subjects:

Konu
Biology, 18.03.2021 01:30
Konu
Mathematics, 18.03.2021 01:30